ClimateMaster, Inc.: Designs and manufactures water source heat pumps. Provides an overview of geothermal product lines for residential and commercial applications; download of literature library; parts and accessories; and contact details. Based in Oklahoma City, Oklahoma.
Econar Energy Systems, Corporation: Manufacturer of geothermal heat pumps. Includes case studies, publications and manuals.
ECR Technologies, Inc.: Manufacturer of EarthLinked, eothermal, geo exchange, ground source heat pumps.
Enerflow Technologies CC: Designs and manufactures heat pumps and hot water systems. Overview of products and services, company background, past projects, and contact details. Based in Potchindustria, Potchefstroom, South Africa.
FHP Manufacturing: Manufactures only water source heat pumps.
Hydron Geothermal Systems: Design, consulting and sales of geothermal systems using stainless steel heat pumps . Projects include residential, industrial and commercial applications. Service area includes Michigan, Indiana and Ohio.
ICE Energy Ltd.: UK suppliers of IVT ground source heat pumps and provide a complete supply and installation service for the ground loop and the heat pump.
Jones Home Comfort, Inc.: Supplier of the Water Furnace line of geothermal heating and cooling units for residential, commercial, or government customers.
Middleton Sales Company: Distributor of Florida Heat Pumps and provides swimming pool heaters.
Water and Energy Systems Corp: Geothermal heat pump and geoexchange system design and distribution company serving the Northeastern U.S.A.
WaterFurnace International Inc.: Manufacturer of ground source geothermal heating and cooling systems for the residential and commercial markets.