We keep you comfortable by creating and maintaining better indoor air environments. Comfort can come from the ground up when you use a geothermal system to heat and cool your home or commercial building.
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What is Geothermal heating and cooling?
Heating and cooling using the ground as a heat sink.
How does Geothermal Work?
Our pro's are experienced in system design installation and service.
Why are so many people buying Geothermal?
Geothermal is the most efficient way to heat and cool.
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What is a geothermal heat pump?
A geothermal heat pump can heat, cool and, if equipped, supply hot water for your home. They do this by exchanging heat with the consistent temperature of the ground beneath your feet. It’s not a new concept. In fact, the basic modern technology has been around for more than 50 years and can be found in millions of homes and commercial buildings across the US.
How does a geothermal system work?
The most important factor when understanding any form of heat pump is that it does not make heat. It also does not make cold because cold is just the absence of heat. A heat pump’s function is to move heat. Just like a water pump moves water a heat pump moves heat. In this process, one end of the system absorbs heat and draws it away while the other end disperses that heat.
Here is an example to help illustrate the process: Think of a heat pump as being just like an AC or a refrigerator with one major difference; they also work in reverse. Ever feel the hot air coming from your air conditioner coil outside? How about the heat coming from the back of your refrigerator? That is heat that’s been removed from the inside, condensed, and then dispersed into the open air. If you reverse that process suddenly you got an efficient heat source rather than a cooler.
A geothermal heat pump works essentially same way except for in one aspect. Rather than “exchanging” heat with hot air of July or frigid air of January, a geothermal heat pump takes advantage of a consistent 52°F underground temperature. This allows you to heat and cool more efficiently by exchanging heat with a relatively cool ground temp in the summer and a relatively warm ground temp in the winter. In comparison to “air-source” heat pumps; geothermal is quieter, lasts longer, needs little maintenance, and does not depend on the temperature of the outside air. It’s for these reasons that geothermal is the most efficient and conscientious heating and cooling option available.
Why People are Switching to Geothermal
Maybe you heard about it from a friend, read an article or saw a news report. There is no question that the popularity of geothermal heating and cooling is growing exponentially as the public learns of its benefits. But, why all the buzz? What’s all the hype about and does geothermal technology live up-to its reputation? Well, here are the answers:
Lower Operating Cost
The most efficient gas furnace has 98% annual fuel utilization efficiency (AFUE). In comparison, geothermal can deliver between 400 and 500% efficiency. What this means is that 4 to 5 units of energy are delivered for every 1 unit of electrical energy. This is possible because a geothermal system transfers heat rather than creating it by burning fuel. A geothermal system usually results in 30-70% lower energy bills than the standard AC and gas heat system.
Replacement Options for Existing Homes
Most people think that geothermal is only for new construction but that’s just not true anymore. Indoor and outdoor geothermal heat pumps are becoming more popular and will even work in conjunction with a standard gas or electric furnace.
A geothermal heat pump can be an indoor or outdoor unit. They are very smooth and quiet in operation, comparable to a refrigerator.
The EPA and the U.S. Department of Energy recognize geothermal systems as the most environmentally friendly way to heat and cool a home. Unlike other comfort systems, geothermal does not emit carbon dioxide, carbon monoxide, or other greenhouse gasses which contribute to air pollution. Additionally, low electricity demand from geothermal systems help reduce peak grid demand.
Positive Cash Flow
A geothermal system is an investment. Over time, the lower energy use that you experience will build into a savings that will overtake and exceed the amount of your investment. This can take time. Just how long depends on so many factors that I can’t give you any rule of thumb here. On average this takes 3-8 years but could be much sooner or much longer. In Iowa, tax credits and rebates for installation can total 45-50% of the investment and add a huge bump to the positive cash flow of a geothermal system. (2017 Tax Credit Update: Federal incentives have now expired and State incentives are set to 10% of cost. Contact C and K for details and estimated payback period calculations.)
Energy providers agree investment into geothermal technology is investment into a better energy future. That’s why these organizations are offering huge incentives to people who install or upgrade to geothermal.
Check with your local electric utility to see what geothermal rebates are available to you.
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