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Unlike many HVAC systems, geothermal heating and cooling units don’t burn fossil fuels. They use electricity to access the earth’s internal temperature, which stays constant regardless of the weather outside. In the summer, the earth’s center is cooler than its sunny surface. In the winter, it’s warmer than the frozen ground. To better understand the science behind geothermal, heat pumps can be a helpful point of comparison. In colder months, geothermal systems pull heat from the earth into your home. When it gets warmer, geothermal systems transfer unwanted warmth back below the surface.
Our expansive line of geothermal HVACs includes the only truly commercial-grade models on the market today and offers products that are suitable for a wide range of demanding applications.
If you think geothermal power is right for you and your home, the following checklist can save you or your contractor valuable time and money.
1. Calculate your home’s heat gain and heat loss by contacting your local energy company, which can provide you with a home energy analysis.
2. Consider changing insulation or, if you’re building a new home, using spray-in cellulose, which performs 30% better than fiberglass. One Ohio customer with a geoexchange system and cellulose-insulated home reported that after two years in his home the highest electric bill for air conditioning was $64 while heating costs ran from $120 to $140. For an all-electric home with an electric rate of 6.3 cents per kilowatt, this is remarkable!
3. Window quality, design and R-value will also make a significant difference in home performance. In northern climates it’s nice to see every glass surface be “low-e” and high-efficiency.
Currently, there is a 30% federal tax credit when you install a geothermal heating and cooling system. Tax credits are announced each year and may change or expire at the end of the year.
If you are interested in taking advantage of a 30% federal tax credit, make sure to confirm that the credit is still available before you schedule your installation.