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Geothermal Heat Pumps

Experience matters when installing a Geothermal System. Rehagen Heating and Cooling has been installing WaterFurnace ground source heat pumps for over 28 years. We have reached top sales in the Midwest with WaterFurnace for the past 7 Years, having installed over 2,500 Units in total. We are proud partners with WaterFurnace, as they are the industry leader, installing over 65% of geothermal residential market.

How Does A Geothermal System Work?

No matter what climate you live in, the temperature throughout the year varies. For some climates, that means blazing summers that cool to frigid winters. What many people don't realize is that the temperature below ground (regardless of climate or season) stays fairly consistent all year. While air temperatures can vary greatly from day to night or winter to summer, the temperature just a few feet below the earth's surface stays an average 55°-70°F year-round.

Financial Benefits of Using a Geothermal Heat Pump

Let's look at the financial case of replacing an aging 13 SEER air conditioner and 80 AFUE furnace with high-efficiency conventional equipment versus upgrading to a WaterFurnace geothermal heat pump.

If you're shopping for new HVAC equipment, it's probably because your existing equipment is nearing the end of its useful life or you're building a new house. Both scenarios require some level of investment.

What's the minimum you'd be happy with in your home? If you're considering geothermal, it's very likely efficiency is important to you. If the minimum you'd accept is a 16 SEER air conditioner paired with a 92 AFUE furnace, it makes sense to use that cost as a starting point for analysis because it represents the minimum amount of money you can spend and still be comfortable (literally).

Depending on where you live, costs for a 16 SEER air conditioner and a 92 AFUE furnace can vary greatly-but it can reach $13,000 in many areas. Again, prices vary greatly based on several factors (geography, ground composition, size of home, equipment chosen, etc.) In most cases, we can install a geothermal heat pump for $12,000 - $9,500 after available rebates.

We are the biggest geothermal installer in the Midwest for the past 7 years.

Water Furnace Warranty

WaterFurnace (Ground Source Heat Pump) Warranty - Rehagen Heating & Cooling offers a 10-year Parts and Labor Warranty on all 5 Series and 7 Series units we install, and a 5-year Parts and Labor warranty on all 3 Series units we install.

Read more about WaterFurnace rebates »

Rebates are offered by Ameren Missouri’s HVAC Program when a customer upgrades to a more energy efficient HVAC system. These are the type of residences that are qualified to receive HVAC rebates from Ameren Missouri:

  • Homes that receive residential electric services from Ameren Missouri
  • Condos or townhomes up to four units
  • Row houses, dwelling unit that shares common vertical walls with another unit
  • Residences with multiple units and systems

Residences that do not qualify:

  • Large units that share more than 4 floors or ceilings with another unit
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Geothermal Air Conditioning

As outdoor temps rise, a GHP collects the unwanted heat in your home and moves it to the cooler earth. Ordinary heat pumps and air conditioners dump that heat outside, but, unfortunately, hot summer air is already saturated with heat and is less willing to accept more. That makes ordinary cooling systems least efficient when you need them to be the most.

Geothermal Heating

As outdoor temps fall, a GHP draws from an underground reservoir of heat, concentrates it, and moves it to your home. Meanwhile, an ordinary heat pump collects heat from frigid winter air, making it least efficient when you need it to be the most. And unlike a furnace, geothermal units don't create heat through combustion. They simply collect and move it.

Hot Water Assist

As a WaterFurnance unit runs, it can capture heat that would normally go to waste and divert it to your water heater tank (using an optional component called a desuperheater). Your unite can generate up to 50% to 70% of your hot water - at almost no cost. For larger volumes of hot water, we also offer dedicated hydronic units.

WaterFurnace Warranty

Rehagen Heating & Cooling offers a 10-year Parts and Labor Warranty on all 5 Series and 7 Series units we install, and a 5-year Parts and Labor warranty on all 3 Series units we install.