Rehagen Heating & Cooling, Inc

2041 US Hwy 63
Westphalia MO 65085

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Opening Hours

  • Mon: 7am-4:30pm
  • Tue: 7am-4:30pm
  • Wed: 7am-4:30pm
  • Thu: 7am-4:30pm
  • Fri: 7am-4:30pm


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Rehagen Heating & Cooling has been proudly serving the entire Central Missouri area for 30 years, over 23 of which have been devoted to specializing in geothermal. Rehagen Heating & Cooling has well over 2,000 geothermal units installed! We take a great deal of pride in our work. It’s a wonderful feeling to be at one of our kid’s ball games or at the grocery store and have a customer pull you aside to tell us about their last months electric bills! Our company offers an IGSPA certified geoexhange designer, we have obtained certification in Geo Piping Loop Design, Fusion Welding , and with Missouri DNR Well Drillers and Pump Installers, our company is BBB accredited, we are members of the Jefferson City Chamber of Commerce, the Jefferson City HBA and serve as committee members for the HBA Green Built program. Rehagen Heating & Cooling is a full service sheet metal shop, all of our duct work is custom fabricated in our shop (no ordered, boxed, tin foil pre-fab duct!). All duct systems are tailor made for your particular home and are fully insulated and sealed. Rehagen Heating & Cooling whole home systems have been vacuum tested and certified with a 45 Hers Index Rating! (Home Energy Rating System: The energy star requirement index number is 85, the lower the score the better!). Rehagen HVAC systems are currently ranked in the top 10 percentile of HERS scored in the state of Missouri! Customer education is also very important to us. Installing geothermal is a sizable investment. We want you to have all the information and education possible. When our customers put their faith and trust in us, it is not something we take lightly. We consider all of our customers to be a part of our extended family! Our personal cell phone numbers are included in every bid proposal. Also, with every estimate is a free HVAC Home Energy Audit. Included in that audit will be average monthly savings, your lifetime savings and percentage of return on investment. You will also receive a WaterFurnace DVD, a Geo Journal, information on tax credits and rebates, ARI certificate, all product literature and a Manual J Load Calculation. We take pride in installing Heating & Cooling equipment in our customers homes. Each system we install is customized to fit the needs of each home and home owner. We offer an outstanding product line to achieve the best quality and most efficient way for you to enjoy the most comfort in your home.