  | Adtek Software:AccuLoad and AccuComm is an easy, fast and accurate computer software program for calculating heat loss & gain for residential & commercial buildings for sizing HVAC systems. – http://www.adteksoft.com/SoftwareRes |
  | Apogee:Residential Energy Solutions | Apogee Interactive – https://www.apogee.net/residential-energy-solutions |
  | Bard:E-Tools - Bard HVAC | Geothermal Calculator | Loop Link Geothermal Design Software – http://www.bardhvac.com/technical-data/e-tools |
  | ClimateMaster:GeoDesigner Software | CMDealerNet – https://www.climatemaster.com/geothermal-dealer/residential/sales--system-sizing-tools |
  | Elite Software:Earth Coupled Analysis | Elite Software - 30 HVAC software programs for all aspects of HVAC, plumbing and electrical System Design. – https://www.elitesoft.com/web/hvacr |
  | Gaia Geothermal:Ground Loop Design Software | Gaia Geothermal – https://www.gaiageo.com |
  | GeoAnalyst:Geothermal Design and Application Software - Enertech Global – http://www.geoanalyst.net |
  | GEO Hourly:Geothermal Design for residential and commercial systems integrated to save time in your ground loop design, energy cost analysis, and hybrid design. – https://geohourly.com |
  | Geo-Connections:Geothermal Software | GeoConnections.com – https://geoconnectionsinc.com |
  | GeoKISS:Free Design Software | Ground Source Heat Pump Design | GeoKISS.com – http://geokiss.com/free-design-software |
  | GeoSelect Pro:Commercial Geothermal Software – http://geoselectpro.com |
  | HVAC-Calc:HVAC-Calc is an easy to use yet accurate computer program for calculating heat loss and heat gain, both residential and commercial. – https://www.hvaccomputer.com |
  | IGSHPA:Software | International Ground Source Heat Pump Association – https://igshpa.org/software |
  | Leapfrog:Find out about Leapfrog Geothermal system requirements, licensing options and download the latest version of the software. – https://www.leapfrog3d.com/products/leapfrog-geothermal |
  | MARS:LoopLogix Geothermal Design Software. – https://www.marsdelivers.com/products/1092/Geothermal-Residential |
  | Oklahoma State University:Ground Loop Heat Exchanger Design Software | Building & Environmental Thermal Systems | GLHEPRO is used for designing ground loop heat exchangers for use with ground source heat pump systems. – https://hvac.okstate.edu/glhepro/overview |
  | REHAU:Quickly create professional pipe layout drawings for radiant heating, cooling and snow and ice melting projects. | REHAU LoopCAD Software – https://www.rehau.com/us-en/mechanical-and-plumbing/services/software |
  | Thermal Dynamics:Ground Loop Design | Piping System Designer – https://www.groundloopdesign.com |
  | U.S. Dept. of Energy:Here you can find software programs that model geothermal systems and economics, as well as data related to geothermal technology and energy to assist with calculation and model construction. – https://energy.gov/eere/geothermal/software-and-data |
  | WaterFurnace:Ground Loop Design Premier | Geothermal HVAC Designer | WaterFurnace.com – https://www.waterfurnace.com/gld |
  | Wrightsoft:Right-Loop™ | Wrightsoft is the leading provider of HVAC load calculation, design and sales tools to the HVAC contractor. Right-Loop uses worksheets for accurate geothermal loop design for a variety of parameters and system types. – http://www.wrightsoft.com/products/right-loop |