Tools

Tool	Applications	Free	Recently Updated	Architects
SolarShoeBox
Vasari
DesignBuilder
jEPlus
BeOPT
EnergyPlus
ACOUSALLE	acoustics, codes and standards
AcousticCalc	HVAC acoustics, sound level prediction, noise level
Acoustics Program	HVAC acoustics, sound level prediction, noise level
Acuity Energy Platform	energy efficiency software; customized business recommendation; commercial and industrial energy use comparisons
ADELINE	daylighting, lighting, commercial buildings buildings
Adtek	Heat Loss, Heat Gain Software
AEPS System Planning	electrical system, renewable energy system, planning and design software, modeling, simulation, energy usage, system performance, financial analysis, solar, wind, hydro, behavior characteristics, usage profiles, generation load storage calculations, on-grid, off-grid, residential, commercial, system sizing, utility rate plans, rate comparison, utility costs, energy savings
AFT Fathom	design, pump selection, pipe analysis, duct design, duct sizing, chilled water systems, hot water system
AFT Mercury	optimization, pipe optimization, pump selection, duct design, duct sizing, chilled water systems, hot water systems
AGI32	lighting, daylighting, rendering, roadway
AIRWIND Pro	Air Conditioning Load Calculation
AkWarm	home energy rating systems, home energy, residential modeling, weatherization
Analysis Platform	heating, cooling, and SWH equipment, commercial buildings
Animate	animated visualization of data, XY graphs, energy-use data
AnTherm	Thermal heat bridges, heat flow, steady state, 2D, 3D, transfer coefficients, thermal conductance, visualization, simulation, European standards, EPBD, temperature distribution, vapor transfer, vapor diffusion, avoiding moisture, avoiding mould, energy performance, linear thermal transmittance, point thermal transmittance, vapor pressure, surface condensation, thermal comfort, dew point
Archelios PRO	Photovoltaic simulation, 3D design, economics results
ArchiWIZARD	energy performance; 3-D graphics interface; solar and lighting simulation; real time updated results and changes; thermal calculation; building performance; heat balance; thermal regulation
Astra	illumination calculation, glare calculation, light planning
Athena Model	life cycle assessment, environment, building materials, buildings
AUDIT	operating cost, bin data, residential, commercial
Autodesk Green Building Studio	building information modeling, interoperability, energy performance, DOE-2, EnergyPlus, CAD
AVReporter	Energy management, energy monitoring, reducing CO2, increase energy efficency, ISO50001
AWDABPT	building temperature simulation, thermal performance
Awnshade	solar shading, awnings, overhangs, side fins, windows
BE$T	electric motors, energy efficiency
Be06	energy performance, building regulations, house, office, commercial and institutional
BEAVER	energy simulation, thermal analysis
BEES	environmental performance, green buildings, life cycle assessment, life cycle costing, sustainable development
Benchmata	Automated Benchmarking System Automation Portfolio Manager
BEopt	Residential Buildings, Energy Simulation, Optimization, Retrofit, New Construction, EnergyPlus, DOE2.2
BESTEST	exterior envelope simulation program capability tests, HVAC modeling tests, multizone modeling tests, ground coupling modeling tests, BESTEST, Standard 140
BinMaker Pro	weather data, binned weather data, design weather data
BLCC	economic analysis, ESPCs, federal buildings, life-cycle costing
BlueSol	PV system sizing, PV system simulation, grid-connected PV systems, electrical components, shading, economic analysis.
BSim	building simulation, energy, daylight, thermal and moisture analysis, indoor climate
BTU Analysis Plus	HVAC, heating, cooling, heat load studies
BTU Analysis REG	HVAC, heating, cooling, heat load studies
Building Design Advisor	design, daylighting, energy performance, prototypes, case studies, commercial buildings
Building Energy Analyzer	air-conditioning, heating, on-site power generation, heat recovery, CHP, BCHP.
Building Energy Modelling and Simulation: Self-Learning Modules	energy simulation, buildings, courseware, self-learning, modeling, simulation
Building Greenhouse Rating	operational energy, greenhouse performance, national benchmark
Building Performance Compass	Commercial Buildings, Multi-family Residence, Benchmarking, Energy Tracking, Improvement Tracking, Weather Normalization
BuildingAdvice	Whole building analysis, energy simulation, renewable energy, retrofit analysis, sustainability/green buildings
BuildingSim	thermostat, simulation, energy cost
BUS++	energy performance, ventilation, air flow, indoor air quality, noise level
BV2	annual energy use, durational diagram
C-MAX	pumps, fans, chillers, compressors, energy conservation, facility design
Cake Systems	Energy Efficiency, Auditing, Labeling Home Performance, Contractor, Program Manager, Utility, Community Energy Performance Score, EPS, Cake Systems Tablet Application, App, API, Home Energy Score, HES
CAMEL	load estimation, psychrometrics, plant sizing
Carbon Estates	Energy Benchmarking; Retrofitting Simulation; Energy Management; Carbon Management
CATALOGUE	windows, fenestration, product information, thermal characteristics
CBE UFAD Cooling Design Tool	UFAD, underfloor, Cooling load calculator, cooling, stratification, thermal comfort
CELLAR	cellar, heat loss, design rules
Cepenergy Management Software for Buildings	Energy management, energy efficiency, energy evaluation, energy simulation, energy modeling, environmental performance, sustainable development, CO2 footprint.
CHP Capacity Optimizer	CHP, cogeneration, capacity optimization, distributed generation
CHVAC	commercial hvac, load calculations, CLTD
CL4M Commercial Cooling and Heating Loads	cooling loads, heating loads, commercial buildings
CLIMATE 1	climate data, climatic maps, sun chart
Climate Consultant	climate analysis, psychrometric chart, bioclimatic chartm wind wheel
Climawin 2005	building thermal regulations
CoDyBa	Energy simulation, energy efficiency, building performance, renewable energy, comfort, thermal analysis, indoor air temperature, dynamic simulation.
Cold Room Calc	refrigeration load, heat gains, heat loads, cold room, cooler, freezer, refrigerated warehouse
COLDWIND Pro	Refrigeration, Heat Load Calculation
COMcheck	energy code compliance, commercial buildings, codes training, energy savings
COMFIE	energy performance, design, retrofit, residential buildings, commercial buildings, passive solar
COMIS	multizone airflow, pollution transport
Commodity Server	energy database server, time series energy, portfolio management
CompuLyte	lighting, daylighting, rendering
COMSOL	Multiphysics, simulations, modeling, heat transfer, finite element
Construction R-value Calculator	R-value, thermal bridging
CONTAM	airflow analysis; building controls; contaminant dispersal; indoor air quality, multizone analysis, smoke control, smoke management, ventilation
Cool Roof Calculator	reflective roof, roofing membrane, low-slope roof
Cool Room Calc	cooling load, heat gains, heat loads, air-conditioned room, air conditioner, HVAC, air conditioning
CPF Tools	Solar Sales, Quoting Tool, Proposal Tool, Solar Financing, Leads, Auto-Populate, Rebate Form, CRM software, Customer and Financing Dashboard
CtrlSpecBuilder	HVAC controls, specifications, CSI Section 15900 HVAC Instrumentation and Controls
Curb	Energy management, buildings, benchmarking, energy tracking, utility billing
Cymap Electrical	BS 7671 Main/Sub Main and Final Circuit distribution, generators, UPS, lighting design, emergency lighting, daylighting, floodlighting, cable sizing, discrimination studies, LV and HV capabilities, fire alarm, CAD symbol library based small power design, Cable Tray/Basket/Raceways/Conduit. Lightning protection risk assessment to EN62305 in 10 languages.
Cymap Mechanical	Load calculation, Pipe sizing & Radiator selection, Duct sizing, Hot and cold water design, SAP, iSBEM, EPCs, Psychrometrics.
CYPE-Building Services	building services, single model, energy simulation, sizing, HVAC, plumbing, sewage, electricity, solar, analysis of acoustic behavior
Czech National Calculation Tool	EPBD, Energy Performance Certificate, Delivered energy, Energy Demand Calculation
D-Gen PRO	distributed power generation, on-site power generation, CHP, BCHP
Data Center Efficiency Savings Calculator	Energy Efficiency Calculator for Data Centers.
Dataplus-online	monitoring and targeting, energy management, self-billing
DAVID-32	Thermal bridges, temperatures, heat flows, computer program, freeware
Daylight	daylighting, daylight factor
DAYSIM	annual daylight simulations, electric lighting energy use, lighting controls
DD4M Air Duct Design	duct design, air-conditioning, heating
Degree Day .Net	degree days, HDD, CDD
Degree Day Forecasts	degree days, historical weather, mean daily temperature
Degree Day Reports	degree days, historical weather, mean daily temperature
Delphin	Coupled heat, air and moisture transport, porous materials, building envelope
Demand Response Quick Assessment Tool	demand response, load estimation, EnergyPlus
DEROB-LTH	energy performance, heating, cooling, thermal comfort, design
DesiCalc	desiccant system, air-conditioning, system design, energy analysis, dehumidification, desiccant-based air treatment
Design Advisor	whole-building, energy, comfort, natural ventilation, double-skin facade
DesignBuilder	Building energy simulation, visualisation, CO2 emissions, solar shading, natural ventilation, daylighting, comfort studies, CFD, HVAC simulation, pre-design, early-stage design, building energy code compliance checking, OpenGL EnergyPlus interface, building stock modelling, hourly weather data, heating and cooling equipment sizing
DeST	building simulation, design process, calculation, building thermal properties, natural temperature, graphical interfaces, state space method, maximum load.
Diag DPE	energy performance directive
DIALux	lighting design, daylight and artificial lighting, emergency lighting, road lighting
DIN V 18599	DIN V 18599, EPBD, energy performance of buildings directive
Discount	present value, discount factors, future values, life-cycle cost
DOE-2	energy performance, design, retrofit, research, residential and commercial buildings
DOLPHIN	duct sizing, duct and fitting pressure loss, fan pressure
DONKEY	duct sizing, equal friction, static regain, balanced pressure drop, duct acoustics, self generated noise, room sound pressure level
DPClima	thermal load calculation, equipment sizing
Duct Calculator	duct-sizing, design, engineering, calculation
DUCTSIZE	duct sizing, equal friction, static regain
e-Bench	energy benchmarking, environmental benchmarking, energy audit, invoice verification and reconciliation, performance contract verification
e-Sankey	Sankey diagram, flow chart, energy efficiency, visualization
E-Z Heatloss	heat loss, heat gain, residential calculation
E.A.S.Y. – Energy Accounting System for Your Buildings	Energy Accounting, OMV System, Building baseline development, Energy and Emissions Savings
EA-QUIP	building modeling, energy savings analysis, retrofit optimization (work scope development), investment analysis, online energy analysis tool, multifamily building analysis
Easy EnergyPlus	N/A
EASY: Whole House Energy Audit	energy audit, residential buildings, retrofit, economic evaluation, DSM
EBS	utility billing, energy management
ecasys	energy program management
Eco Lumen	lighting design, energy efficient
ECO-BAT	environmental performance, life cycle assessment, sustainable development
EcoAdvisor	online interactive training, online multimedia training, sustainable commercial buildings, lighting, HVAC
EcoDesigner	for architects, integrated in BIM software, one click evaluation
ecoInsight Energy Audit & Analysis Software	Retrofit Analysis, Energy Audit Software, Building Analysis, Lighting Retrofit
ECOTECT	environmental design, environmental analysis, conceptual design, validation; solar control, overshadowing, thermal design and analysis, heating and cooling loads, prevailing winds, natural and artificial lighting, life cycle assessment, life cycle costing, scheduling, geometric and statistical acoustic analysis
eDNA	energy data management, on-line data archive
EE4 CBIP	whole building performance, building incentives
EE4 CODE	standards and code compliance, whole building energy performance
EED	Earth energy, boreholes, ground heat storage, ground source heat pump system (GSHP)
EEM Suite	energy management, energy accounting, benchmarking, energy use analysis, energy forecasting
EfficiencySMART	Energy data visibility, operational energy efficiency measures, energy savings, alerts, reports, peak demand management, schedule adjustments, meter data, interval data, energy performance, building performance
EffTrack	chiller efficiency, chiller performance
ELODIE	Life Cycle Assessment, eco-design, building environmental performance, retrofit
EMISS	atmospheric pollution, energy-related pollution emissions
EN4M Energy in Commercial Buildings	energy calculation, commercial buildings, bin method, economic analysis
ENER-WIN	energy performance, load calculation, energy simulation, commercial buildings, daylighting, life-cycle cost
EnerCAD	Building Energy Efficiency; Early Design Optimization; Architecture Oriented; Life Cycle Analysis
EnerCop Energy Benchmarking and Accounting Software	energy benchmarking; carbon benchmarking; energy accounting
Energinet – Energy Management Software	Cost effective Energy management software for any market
Energy Demand Modeling	Reference Energy System, Software, GUI, Planning, Energy Demand Model EDM, Energy Policy Planning
Energy Estimation Software with Carbon Footprint Calculation	Variable frequency drive, energy savings, fans, pumps, carbon footprint
Energy Expert	energy tracking, energy alerts, wireless monitoring
Energy Lens	energy management, half-hourly data analysis, business energy saving, monitoring and targeting
Energy Profile Tool	benchmarking, energy efficiency screening, end-use energy analysis, building performance analysis, utility programs
Energy Profiler	load profiles, rate comparisons, data collection
Energy Profiler Online	online, energy usage, load profiles, bill estimation
Energy Scheming	design, residential buildings, commercial buildings, energy efficiency, load calculations
Energy Trainer for Energy Managers HVAC Module	training, HVAC, operation and maintenance, existing buildings
Energy Usage Forecasts	degree days, historical weather, mean daily temperature, load calculation, energy simulation
Energy WorkSite	energy benchmarking, facility checklist, utility bill manager
EnergyActio	Energy efficiency, continuous improvement, energy cost, software
EnergyAide	Energy audits, home energy analysis, retrofit
EnergyCAP Enterprise	energy information, energy accounting, energy tracking, energy efficiency, utility bill management, energy management, utility bill accounting, benchmarking, degree days, M&V, energy measurement, FASER
EnergyCAP Professional	energy information, energy accounting, energy tracking
EnergyDeck	Energy Tracking & Analysis,Benchmarking,Portfolio Ranking,Community Sharing, Project Tracking
EnergyGauge Summit Premier	Building simulation, energy simulation, building energy modeling, ASHRAE Standard 90.1, commercial code compliance, LEED NC 2.2 EA Credit 1, federal commercial building tax deductions, EPACT 2005 qualified software, Florida code compliance, ASHRAE Standard 90.1 Appendix G, DOE 2.1E, AHSRAE advanced building design guidelines, automatic reference building generation, automatic EA Credit 1 PDF generation, buildings research
EnergyGauge USA	residential, energy calculations, code compliance
EnergyPeriscope	Renewable energy performance analysis, financial analysis, sales proposals
EnergyPlus	energy simulation, load calculation, building performance, simulation, energy performance, heat balance, mass balance
EnergyPro	California Title 24, LEED, ASHRAE 90.1, compliance software, energy simulation, commercial, residential
EnergySavvy	efficiency calculation, energy rebates, home contractor search
EnergyShape	energy load, end-use, energy profile
EnergyWitness	large building; energy efficiency
ENERPASS	energy performance, design, residential and small commercial buildings
ENFORMA	data acquisition, energy performance, building diagnostics, HVAC systems, lighting systems
Engineering Toolbox	Refrigerant line sizing, air properties, fluid properties, power factor correction, duct sizing
ENMAT	Monitoring and Targeting, Energy Management, Energy Monitoring
Envest	sustainable design, green buildings, life cycle analysis, environmental impact analysis
EPB-software	EPBD implementation, Flemish region, primary energy consumption
EQUER	life cycle assessment, design, retrofit, residential and commercial buildings, simulation
eQUEST	energy performance, simulation, energy use analysis, conceptual design performance analysis, LEED, Energy and Atmosphere Credit analysis, Title 24, compliance analysis, life cycle costing, DOE 2, PowerDOE, building design wizard, energy efficiency measure wizard, eem
eSight	Energy Management, M&V, Utility Tracking, Performance Monitoring, Benchmarking, Bill Verification
ESP-r	energy simulation, environmental performance, commercial buildings, residential buildings, visualisation, complex buildings and systems
Evergreen LED	LED lighting energy savings calculator
EXTREMES	extreme weather, weather sequences, simulation, energy calculation
EZ Sim	energy accounting, utility bills, calibration, retrofit, simulation
EZDOE	energy performance, design, retrofit, research, residential and commercial buildings
FASER	energy information, resource accounting
FEDS	single buildings, multibuilding facilities, central energy plants, thermal loops, energy simulation, retrofit opportunities, life cycle costing, emissions impacts, alternative financing
FENSIZE	fenestration, solar heat gain coefficient, thermal transmittance, visible transmittance, windows, skylights, code compliance
FENSTRUCT	structural performance, fenestration, deflection, stress, moment of inertia, centroids, AAMA
FineHVAC	Load Calculation, Piping & Air duct networks calculation, HVAC Systems calculation, generation of all the case study drawings.
flixo	2D heat transfer, cold bridge, fenestration, frame U-value, thermal bridge
FLOVENT	airflow, heat transfer, simulation, HVAC, ventilation
Flownex	gas flow; liquid flow; dynamic; heat transfer; two phase; slurry
foAudits	Energy audit; Android; iOS; Windows Mobile; WinCE; Web browser
Frame Simulator	2D, heat transfer, thermal analysis, thermal transmittance, thermal conductance, building energy analysis, fenestration, window, U-value, EN ISO, surface condensation, moisture, dew point, frame, glazing, spacer, therm
FRAME4	fenestration, framing, heat transfer, building components, thermal characteristics
FRAMEplus	windows, fenestration, framing, building components, thermal characteristics, optical characteristics
FSEC 3.0	energy performance, research, advanced cooling and dehumidification
GaBi 4	environment, life cycle assessment, LCA, ecoprofiles, system analysis, design, research
Gas Cooling Guide PRO	gas cooling, hybrid HVAC systems
Genability	power tariff, energy tariff, energy pricing, energy bill, electricity tariff, power bill, electricity bill, electricity pricing, time of use, real time, utilities, critical peak, pricing, peak pricing, demand side management, high load factor, curtailment, interruptible, standby service, supplemental service, electric vehicle charging, electric rate plan, power rate plan, electric rate, power rate, energy rate, energy rate plan, electricity api, power api, energy api, electricity rate api, power rate api, energy rate api, utility pricing, utility price, utility rate
GenOpt	system optimization, parameter identification, nonlinear programming, optimization methods, HVAC systems
GIHMS	industrialized housing production operations
GLASTRUCT	structural performance, fenestration, deflection, stress, ASTM
GLHEPRO	ground heat exchanger design, ground source heat pump system, geothermal heat pump system
GPM PV+	energy management, energy accounting, benchmark, energy analysis, alert system
Green Energy Compass	Single-family Residence, Benchmarking, Energy Tracking, Improvement Tracking, Weather Normalization
Ground Loop Design	geothermal, borehole, heat exchanger design
HAMLab	Heat air and moisture, simulation laboratory, hygrothermal model, PDE model, ODE model, building and systems simulation, MatLab, SimuLink, Comsol, optimization
HAP	energy performance, load calculation, energy simulation, HVAC equipment sizing
HAP System Design Load	Cooling and heating load calculation, HVAC equipment sizing, zoning and air distribution
HBLC	heating and cooling loads, heat balance, energy performance, design, retrofit, residential and commercial buildings
HEAT Energy Audit Tool	energy efficiency program, auditing, reporting
Heat Pump Design Model	heat pump, air conditioner, air-to-air heat pump, equipment simulation
HEAT2	heat transfer, 2D, dynamic, simulation
HEAT3	heat transfer, three-dimensional heat conduction, transient heat flow, steady-state heat flow
HEED	whole building simulation, energy efficient design, climate responsive design, energy costs, indoor air temperature
Home Energy Saver	internet-based energy simulation, residential buildings
Home Energy Tune-uP	Home energy audit, energy efficiency, administration, conservation, consulting, energy savings, home performance, inspection, low income, renewable energy, residential retrofit, training, weatherization, whole house
HomeEnergySuite	Energy use and savings analysis.
HOMER	remote power, distributed generation, optimization, off-grid, grid-connected, stand-alone
HOT2 XP	energy performance, design, residential buildings, energy simulation, passive solar
HOT2000	energy performance, design, residential buildings, energy simulation, passive solar
HPSIM	heat pump, research
HVAC 1 Toolkit	energy calculations, HVAC component algorithms, energy simulation, performance prediction
HVAC Residential Load Calcs – HD for the iPad	HVAC; Cooling loads; Heating loads
HVAC Solution	boilers, chillers, heat exchangers, cooling towers, pumps, fans, expansion tanks, heat pumps, fan coils, terminal boxes, louvers, hoods, radiant panels, coils, dampers, filters, piping, valves, ductwork, schedules
HVACSIM+	HVAC equipment, systems, controls, EMCS, complex systems
Hydronics Design Studio	hydronic heating, radiant heating, simulation, design, piping
I-BEAM	indoor air quality, IAQ education, IAQ management, energy and IAQ
IAQ-Tools	indoor air quality, ‘sick’ buildings, ventilation design, contaminant source control design, tracer gas calculations
iAudit Pro	home energy auditing tool, residential energy audit, retrofit contractors, whole house energy-analysis
ID-Spec Large	Electrical installation design, power losses assessment, CO2 emissions, quantity of conductors
IDA Indoor Climate and Energy	Energy performance, thermal comfort, indoor climate, HVAC design, airflow, natural ventilation, hybrid ventilation, heat pumps, load calculations, solar collectors, storage tanks, boreholes, CHP, wind turbines, control systems, plants, solar shading, daylight, ice rinks, pools, 3D, BIM, IFC, LEED, ASHRAE, BREEAM, NMF, Modelica.
IDEAL	electric utility analysis, electricity costs, bill analysis
IES Virtual Environment	Energy Performance, Energy Consumption, LEED, Thermal Simulation, HVAC, Daylighting, Thermal Performance, CFD, Airflow, Heat Gain, Heat Loss, Load Calculation, Solar Shading, Solar Intensity, Occupant Movement, Egress, Ingress, Value, Cost, BREEAM, EPACT, Carbon Reduction, CO2 Emissions, Lighting, Passive Systems, Natural Ventilation, Daylight compensation control, Apache
Indoor Humidity Tools	indoor air humidity, dryness, condensation
InterLane Power Manager	energy metering, monitoring, power management
ION Enterprise	energy management, power quality, power reliability, cost allocation
IPSE	solar architecture, passive solar, residential buildings, primer, introduction, educational, reference
ISOVER Energi	energy performance, heat loss, U-value, profitability, Danish building regulations
IWEC	international weather, weather data, climate data, energy calculations
IWR-MAIN	water demand analysis, municipal and industrial water demand, water conservation, water resource planning
IWRAPS	water planning, water management, water use forecasting, water conservation, water rights, military installations
J-Works	load calculation, commercial buildings, residential buildings
KCL-ECO	life cycle, inventory, assessment, LCA
kW-Field	Commercial Energy Auditing Field Software
LESO-COMFORT	thermal comfort, load calculation, energy
LESO-SHADE	shading factors, solar shading, building geometry
LESOCOOL	airflow, passive cooling, energy simulation, mechanical ventilation
LESODIAL	Daylighting, early design stage, user-friendliness
LESOKAI	thermal tranmission, water vapor, building envelope
LESOSAI	heating energy, cooling energy, energy simulation, load calculation, standards, life cycle analysis, gbxml
LISA	life cycle analysis, sustainability, utilisation, embodied energy
Load Express	Design, light commercial buildings, heating and cooling loads, HVAC
Look3D	three-dimensional, full-color surface plots from columnar data, energy-use data
LoopDA	airflow analysis, indoor air quality, multizone analysis, natural ventilation
Louver Shading	window, overhang, blinds, louvers, louvres, trellis, shading, solar
Lumigent	Lighting Design, Energy Audit Software, Building Analysis, Lighting Retrofit, Photometry, Energy Software, Lighting Audit Software, Retrofit Software
Macromodel for Assessing Residential Concentrations of Combustion Generated Pollutants	indoor air quality, research
Maintenance Edge	CMMS, Maintenance, Work Order, Planned Maintenance, LEED, ENERGY STAR®, benchmarking, Critical Alarm
ManagingEnergy	building energy management; energy efficiency strategies, energy accounting
MarketManager	building energy modeling, design, retrofit
MC4Suite 2009	HVAC project design, sizing, calculations, energy simulation, commercial, residential, solar
METEONORM 6	weather data, solar radiation, temperature, typical years, climate analysis
METRIX4	monitoring and verification, utility bill analysis, utility accounting
MHEA	retrofit opportunities, audit, mobile homes
Micropas6	energy simulation, heating and cooling loads, residential buildings, code compliance, hourly
ModEn	object-oriented simulation, energy simulation, controls, energy audit, energy-saving, energy performance, dynamic simulation, research, education, heating, air conditioning
MOIST	combined heat and moisture transfer, envelope
MotorMaster+	motors, premium efficiency, motor management, industrial efficiency
myupgrades.com	HVAC updates, HVAC equipment selection, energy savings, up-sell
MyVerdafero	Utility Optimization, building performance, portfolio analysis
National Energy Audit (NEAT)	retrofit, energy, audit, efficiency measures
NewQUICK	Passive simulation, load calculations, natural ventilation, evaporative cooling, energy analysis.
Noesis Energy	baseline, benchmark, energy analysis, portfolio ranking
OHVAP	venting design, oil-fired equipment
OnGrid Tool	solar, financial, payback, analysis, sales, tool, software, economics, proposal
Opaque	wall thermal transmission, U-value
OptiMiser	weatherization, customizable, audit, retrofit, analysis, payback, utility bill, disaggregation, cost database, contractor
OptoMizer	Lighting audit retrofit software, Lighting retrofit rebate programs, Lighting design and analysis
oTilt	solar radiations, radiations on tilted surface, optimum tilt angle, optimum pitch angle, collector slope
Overhang Annual Analysis	window, overhang, shading, solar
Overhang Design	solar, window, overhang, shading
Panel Shading	solar panels, pv, photovoltaics, solar collectors, solar thermal, shading, solar
ParaSol	solar protection, solar shading, windows, buildings, solar energy transmittance, solar heat gain coefficient, energy demand, heating, cooling, comfort, daylight
PASSPORT	heating requirements, passive solar, residential buildings, standards
PEAR	design, retrofit, residential buildings
Pervidi	, building systems, performance, preventative maintenance, analysis, residential and commercial buildings
PHOENICS	computational fluid dynamics, air pollution, smoke and fire, air flow
Photovoltaics Economics Calculator	solar, photovoltaic, economics
PHPP	energy balance, high-performance houses, passive houses
Physibel	heat transfer, mass transfer, radiation, convection, steady-state, transient, 2-D, 3-D
Pipe Designer	fluid systems, piping design, existing systems
Pipe Flow Expert	pipe flow, pipe pressure loss
Pipe-Flo	piping analysis, pump selection, piping design, hydraulic analysis, pump sizing, pressure drop calculator, hydraulic modeling, steam distribution, chilled water, sprinkler system
PocketControls	PDA, controls, front end, handheld
Polysun	Solar System Design Simulation Software (and Heat Pump)
Popolo Utility Load Calculation	Heat transfer, load calculation, BESTEST, GPL, Free source
Power Calc PaK	power distribution, panelboard, NEC, electrical, energy savings, buildings
PRISM	utility billing data, demand-side management, statistical energy savings
Prophet Load Profiler	energy analysis, load profiling, cost comparison, energy budgeting, rate analysis, data collection, real-time monitoring, load shedding
PsyCalc	psychrometric, temperature, moisture content, atmospheric pressure
PsyChart	Moist air state, dry bulb, wet bulb, relative humidity, sensible heat, moisture content.
Psychrometric Analysis	psychrometric analysis, HVAC
PUtility Psychrometric	Moist air, Psychrometric chart, GPL, Free source
PV*SOL	photovoltaic systems simulation, planning and design software, grid-connected systems, stand-alone systems
PV-DesignPro	photovolatiac design, tracking systems, solar, electrical design
PVcad	photovoltaic, facade, yield, electrical
PVSYST	PV system sizing, PV system simulation, grid-connected PV systems, stand-alone PV systems, shading, solar tools
PYTHON	pipe sizing, pump sizing, control valve selection
Quick Calc	lighting design, 3d drawing, indoor lighting
Quick Est	lighting, 3d drawing, indoor lighting
QwickLoad	Design, residential to large commercial buildings, heating load, cooling load, HVAC
Radiance	lighting, daylighting, rendering
Radiance Control Panel	radiance, lighting, daylighting, ray tracing, glare
RadOnCol	solar radiation, solar collector
RadTherm	convection, conduction, radiation, weather, solar, transient
Raymaps Solar Calculator	Energy Consumption, Solar Panels, Batteries
Recurve	energy simulation, home performance, estimates, energy audit
REEP	energy- and water-efficiency strategies, economic analysis, pollution abatement, DOD installations
Rehab Advisor	high performance housing, single family, multifamily, housing renovation, energy efficiency
REM/Design	energy simulation, residential buildings, code compliance, design, weatherization, equipment sizing, EPA Energy Star Home analysis
REM/Rate	home energy rating systems, residential buildings, energy simulation, code compliance, design, weatherization, EPA Energy Star Home analysis, equipment sizing
REScheck	energy code compliance, residential buildings, codes training, energy savings
RESEM	retrofit, institutional buildings
RESFEN	fenestration, energy performance
RETScreen	renewable energy screening, feasibility studies for energy efficiency
RHVAC	residential HVAC, residential load calculations, ACCA, Manual J
Right-Suite Residential for Windows	residential loads calculations, duct sizing, energy analysis, HVAC equipment selection, system design
RIUSKA	Energy calculation, heat loss calculation, system comparison, dimensioning, 3D modeling
Roanakh	photovoltiac system design, grid-tie, grid-interactive, solar electric system design
Room Air Conditioner Cost Estimator	air conditioner, life-cycle cost, energy performance, residential buildings, energy savings
SBEM	energy consumption/performance, carbon dioxide emissions, UK building regulations, compliance checking, non-residential buildings
scSTREAM	Computational fluid dynamics, CFD, ventilation, airflow, temperature distribution, humidity distribution, contaminant distribution, thermal comfort, air quality
Sefaira	Early-stage performance analysis of building envelope, HVAC, water & renewables , Real-time building performance analysis, Parametric analysis, Thermal comfort analysis
Shading II	Geometrical Shading/Insolated Coefficient, Sun view, shadow calculation
ShadowFX	shading calculations, sun modelling, solar shading
SIMBAD Building and HVAC Toolbox	transient simulation, control, integrated control, control performance, graphical simulation environment, modular, system analysis, HVAC
SIP Scheming	stressed skin insulating core panels
SkyVision	Skylight, light well, fenestration, glazing, optical characteristics, daylighting.
SLAB	slab on the ground, heat loss, design rules
SMILE	object-oriented simulation environment, building and plant simulation, complex energy systems, time continuous hybrid systems
Snugg Pro	Energy Auditing & Sales Tool, home energy assessments, energy analysis, home performance, residential retrofits
Sol Path	solar, sun, sun path
solacalc	passive solar, house design, building design, building services, design tools
Solar Rater	solar power, solar energy, solar calculator, solar app, android solar app, renewable energy, pv, photovoltaic
Solar Tool	overhang sizing and position, shading devices, louvers,
SOLAR-2	windows, shading fins, overhangs, daylight
SOLAR-5	design, residential and small commercial buildings
SolArch	thermal performance calculation, solar architecture, residential buildings, design checklists
SolarDesignTool	photovoltaic, PV system design, grid-tie PV systems, grid-tied pv systems, string sizing, array layout design
SolarPro 2.0	solar water heating, thermal processes, alternative energy, simulation
SolarShoeBox	Direct gain, passive solar
SolDesigner	design, solar thermal, solar hot water, solar heating plants, solar design
Sombrero 3.01	Solar shading, solar radiation, building geometry, solar systems
SPACER	fenestration, spacer, THERM, thermal modeling, IGU, sealants
SPARK	object-oriented, research, complex systems, energy performance, short time-step dynamics
SPOT	daylighting, electric lighting, photosensor, energy savings
Star Perfomer	energy performance diagnostic, energy audit, office building
STE	thermal regulations, residential and commercial buildings, energy certification
SunAngle	Solar, sun, angle
SunAngle Professional Suite	sun angle, solar calculator
SUNDAY	energy performance, residential and small commercial buildings
SUNDI	solar shading, solar irradiance, solar patterns
SunPath	solar geometry, sun position
SunPosition	solar angle design, solar altitude, solar design
SunPosition online	sun position, solar angle design, solar azimuth, solar altitude, sun path
SUNREL	design, retrofit, research, residential buildings, small office buildings, energy simulation, passive solar
Sunspec	solar radiation, illuminance, irradiance, luminous efficacies, solar position
SunTools	Sun Path, Sun Views, Solar Access, Sun Penetration
SUN_CHART Solar Design Software	sunchart, solar position, sun path, shading
SuperLite	daylighting, lighting, residential and commercial buildings
System Analyzer	Energy analyses, load calculation, comparison of system and equipment alternatives
T*SOL	solar thermal heating, swimming pool heating, solar planning and design
TAPS	pipe sizing
Tariff Analysis Project	bill calculator, utility bills, tariff, schedules, rates, rate schedules, utility rates, utility tariffs, cost savings, energy savings analysis, investment analysis
TAS	Dynamic thermal simulation, Building simulation, Thermal analysis, Energy simulation, Energy consumption, Energy cost, CO2 emissions, HVAC simulation, Manufacturer data, Load calculation, Design day simulation, Daylighting, Solar shading, Comfort studies, Natural ventilation, CFD, Wind turrets, Sun Pipes, Phase Change materials, Part L, EPC, Appendix G, ASHRAE 90.1, LEED, BREEAM, Building plant and systems design and simulation.
TEK-sjekk	energy performance, indoor climate simulation, code compliance, load calculation, residential and non-residential buildings
Tetti FV	photovoltaic, PV, energy performance, design, PV system sizing, PV system simulation, grid-connected PV systems
Therm	two-D heat transfer, building products, fenestration
Thermal Comfort	thermal comfort calculation, comfort prediction, indoor environment
ThermoSim	dynamic heat transfer, wall systems, simulation algorithms, interactive simulation, Java
THG Energy Solutions	Bill auditing, energy efficiency, energy invoice management, sub-metering, automated demand response, interval data reporting, facility benchmarking, ENERGY STAR Portfolio Manager integration
Toolkit for Building Load Calculations	building loads, energy calculations, heat balance model, heat transfer
TOP Energy	Simulation and optimization of energy systems, energy efficiency, time series analysis, variant comparison, Sankey diagrams, material and energy flow analysis, process optimization
TownScope II	solar energy, urban design, visual reasoning
TPVS Dwg	PV one line diagram, PV electrical drawing
TRACE 700	Energy performance, load calculation, HVAC equipment sizing, energy simulation, commercial buildings
TRACE Load 700	Heating and cooling load calculation, air distribution simulation, HVAC equipment sizing, commercial buildings
TRANSOL	Powerful, flexible, complete
TREAT	weatherization auditing software, BESTEST, Home Performance with ENERGY STAR® auditing tool, retrofit, single family, multifamily residential, mobile homes, HERS ratings, load sizing.
Trend Importer	trend, importer, data, spreadsheet, UTF
TRNSYS	energy simulation, load calculation, building performance, simulation, research, energy performance, renewable energy, emerging technology
tsbi3	energy performance, design, retrofit, research, residential and commercial buildings, indoor climate
UM Profiler	utility metering, utility accounting
Umberto	material and energy flow analysis, process optimization, environmental impact assessment, material flow cost accounting, life cycle assessment (LCA), life cycle costing (LCC)
UMIDUS	moisture calculation, latent and sensible conduction loads, heat and mass transfer through building envelopes
United Resources Group Lighting Conservation	Quantify, Lighting Conservation, Cost and Savings
UNorm	U-values, thermal bridges, temperatures, heat flows, computer program, freeware
UrbaWind	CFD, wind simulation, wind energy, natural ventilation, pedestrian comfort
USai	inhomogeneous thermal transmission coefficient, Dynamic characteristics, condensation risk
Utility Manager	Central capture of utility data for cost and energy usage reporting and reduction
UtilityTrac	energy tracking, LEED, ENERGY STAR, utility bill management, M&V, benchmarking
Varitrane Duct Designer	duct sizing, static regain, equal friction, fitting loss
VentAir 62	ventilation design, ASHRAE Standard 62
VIP+	energy performance, code compliance, design, research, residential and commercial buildings, costs, environmental sustainable
VIPWEB	energy performance, code compliance, design, research, residential and commercial buildings, costs, environmental sustainable
Virtualwind	wind simulation, virtual wind tunnel, microclimate simulation, wind flow in urban environments, advanced wind flow visualization
VISION4	fenestration, solar optical characteristics, thermal performance, windows, glazing
Visual	lighting, lighting design, roadway lighting, visual, lumen method
Visual TTH	thermal regulation, compliance, EN 12831, RT 2000, RT 2005
VisualDOE	energy, energy efficiency, energy performance, energy simulation, design, retrofit, research, residential and commercial buildings, simulation, HVAC, DOE-2
Visualize-IT Energy Information and Analysis Tool	energy analysis, rate comparison, load profiles, interval data
WaterAide	water audits, water analysis, water end-sue allocation, retrofits, domestic hot water
Weather Data Viewer	weather, climate, extreme weather, design data, design temperature, humidity, dew point, dry bulb, wet bulb, temperature, enthalpy, wind speed
Weather Tool	weather data visualization, psychrometry, passive design analysis, optimum orientiation, data synthesis
Weather Year for Energy Calculations 2	weather data, energy calculations, simulation data
WegoWise	Energy Star Benchmark, building benchmark, M&V, energy efficiency, energy tracking.
Window	fenestration, thermal performance, solar optical characteristics, windows, glazing
Window Heat Gain	Solar, window, energy
WUFI-ORNL/IBP	moisture modeling, hygrothermal model, combined heat and moisture transport, building envelope performance
ZEBO	design decision support; zero energy building; sensitivity analysis; energy simulation; thermal comfort; hot climate
ZIP	economic insulation level, residential buildings
¡Get Psyched!	psychrometric chart, moisture, humidity, dry bulb temperature, wet bulb temperature

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