Geothermal Heat Pump Manufacturers

American Standard Heating and Air Conditioning
http://www.americanstandardair.com/

Bard Manufacturing Company
http://www.bardhvac.com/

Carrier Air Conditioning
http://www.carrier.com/

ClimateMaster, Inc.
http://www.climatemaster.com/

Coldflow
http://www.coldflow.com/

FHP Manufacturing Company (Florida Heat Pump)
http://www.fhp-mfg.com/

Geo Comfort - Enertech
http://www.geocomfort.com/

Geo Excel
http://www.geoexcel.com/

Geomax - Eagle Mountain
http://www.geomaxusa.com/

GeoSystems
http://www.gogogeo.com/

Heat Controller, Inc.
http://www.heatcontroller.com/

Mammoth
http://www.mammoth-inc.com/

Marvair
http://www.marvair.com/

McQuay International
http://www.mcquay.com/

Northern Heat Pump
http://www.northernheatpump.com/

Rheem Manufacturing Company
http://www.rheem.com/

Roth Industries, Inc.
http://www.roth-usa.com/

Ruud Air Conditioning Division
http://www.ruud.com/

Trane
http://www.trane.com/

WaterFurnace International
http://www.waterfurnace.com/

The Whalen Company
http://www.whalencompany.com/