Posted: December 11, 2021 at 12:20 pm
By: Lakes Region HVAC
There are seemingly endless options when it comes to heating and cooling a home or business, but our aim is to help simplify these options by providing the facts about each to our customers. This particular blog is for those who want to understand geothermal heat a little bit better and see if it's the right option for their home.
Geothermal heat is best known for how eco-friendly it is. Many Americans rely on heating oil and natural gas to heat their homes, but these fuels are limited resources. The ingenuity of engineers has increased the number of green options in the heating and cooling industry. Geothermal is one of our most recommended options for New Hampshire residents looking for a way to keep their homes warm while simultaneously saving money on fuel and helping the environment. This clever solution uses groundwater to heat homes and is highly efficient. The hot water reserves under the earth serve as a completely renewable energy resource.
Geothermal energy works by placing heat exchangers underground. There are two types of heat exchangers, closed-loop and open-loop. Closed-loop systems recirculate refrigerant already present within a system while open-loop heat exchanger systems continuously refresh the refrigerant. Refreshing refrigerant is only possible when using a freshwater lake or underground aquifer, the method most popular in New Hampshire. Groundwater temperature must be 45-75 degrees Fahrenheit to work, and thankfully, here in New Hampshire, we are lucky to fall within that ground temperature range. The heat exchangers conduct the heat from the groundwater, which is then transferred through coils. These coils allow for the heat to travel upward into the home. After that, the system works similarly to other more traditional systems by circulating the warm air throughout the home through ducts and vents.
So, why choose geothermal heat? Aside from the obvious ecological benefits, geothermal heat saves consumers large sums of money. Although there is a higher upfront cost for installation, you can save up to 70% on monthly heating bills by choosing geothermal heat. Additionally, geothermal heating systems require significantly less maintenance which will save you not only money on inatenance fees but also time. These units are exceptionally reliable, and you can count on them for many years to come. In New Hampshire, homeowners have the added benefit of NHSaves, a collaboration of the state's electric and natural gas utilities providing information, incentives, and support designed to help homeowners save energy, reduce costs, and protect the environment. And lastly, consumers can expect a return on their investment in a geothermal HVAC system in 5 to 7 years, based on research and analysis by the Energy Informative.
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