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Geothermal Heat Systems: FAQs

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The fact that you have a geothermal heat system in your home for heating automatically makes your home more valuable because it is more efficient. These systems harvest warm energy from the ground and funnel it to the inside of the house where it is needed, so there is no need for a fuel-powered heat system that costs a lot of money. While valuable, a lot of homeowners do not know a lot about geothermal heat systems. Take a look at some of the most common questions about geothermal heat systems and the answers you should know if you have one. 

Is it better to repair or replace a geothermal heat system?

Geothermal heat systems can be substantially more expensive than a traditional furnace when purchased new because they can be as much as between $20,000 and $25,000. These systems do tend to have a good lifespan, so if at all possible, a technician will recommend that you make repairs first before discounting an existing unit as needing to be replaced. Most of the time, parts of the geothermal system can be replaced instead of the entire unit, so there is no need to replace the full unit and spend a lot of money that you do not have to spend. 

What is the most common geothermal heat system problem?

For the most part, geothermal heat systems are fairly resilient in their design, which explains their long lifespan. However, just like any other type of HVAC unit, geothermal units can have issues as they get older. Probably the most common issue that can come up with a geothermal unit is reduced air flow when the heat is on, but this is a problem easily managed. Most of the time, improper airflow is because of an ailing fan or fan motor that pushes heat through the house. 

What kind of maintenance should a geothermal heat system have?

On your own, there are a lot of things you can do to keep your geothermal unit running in tip-top shape. First and foremost, always check and change the filter regularly. These systems do a pretty good job of pulling air through the return vents, so they also do a good job of entrapping dust in the filter. If the filter gets clogged, your heat system will not be as efficient. Secondly, have your unit maintained annually by a technician. This visit will include thorough cleaning, testing, and assessment to pick out small issues that could grow bigger. 

For more information, contact your preferred heating repair service. 


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