Top 8 Advantages of Geothermal

Top 8 Advantages of Geothermal

Are you considering making the switch to geothermal heating in your Minnesota or Wisconsin home? Then you’ve likely heard that a geothermal system offers several advantages over conventional heating and air conditioning systems.

What’s all the fuss about? Exactly what do you stand to gain when you opt for a geothermal heat pump in lieu of your traditional HVAC system?

We’re breaking down the top eight advantages of geothermal, so you know what to expect!

1. Geothermal Systems Are Highly Efficient

A geothermal heat pump is, without question, the most efficient way to heat and cool your home. Even in cold climates, geothermal heating is highly efficient—more so than any other type of heating or cooling system.

According to the Department of Energy, geothermal heat pumps can reach efficiencies of 300% to 600% even on the most frigid nights. So for every unit of electricity a geothermal system uses, it generates three to six units of heat energy.

When it comes to cooling, geothermal heat pumps are also remarkably efficient. This is illustrated by a unit’s energy efficiency ratio (EER), which denotes its cooling capacity compared to the watts of electricity it consumes at 95 degrees Fahrenheit.

High-efficiency, geothermal heat pumps installed in closed-loop configurations typically have EERs of 15 to 30, depending on the model. Heat pumps installed in open-loop (water-source) configurations can have EERs as high as 56, depending on the model.

How Do Furnaces and Central A/C Units Compare?

Even the most energy-efficient gas furnaces on the market—which are 95% to 98% efficient—are less efficient than geothermal heat pumps. Electric furnaces, which are generally considered to be 100% efficient, don’t even compare.

Most high-efficiency central A/C units are less efficient, too, with average EERs of around 13 to 14. As of 2022, the best models on the market can get as high as 17.6. But even those units will see a drop in efficiency as they age and won’t last as long as a geothermal heat pump.

2. Geothermal Saves You Money

Because geothermal systems transfer heat rather than create it, they’re remarkably energy efficient. And that efficiency translates to considerable savings on your annual heating and cooling costs.

According to, a geothermal system can reduce your energy bills by up to 72% annually compared with the cost of using a fully electric heating and cooling system. That reduction doesn’t even account for the decreased system maintenance expenses you’ll enjoy.

3. Geothermal Keeps Your Home Comfortable Year Round

A geothermal system will heat your home when it’s cold outdoors and remove heat from your home when it’s warm outside. Using a forced-air duct system (aka traditional HVAC ductwork), the heat pump will consistently and evenly distribute warm and cool air throughout your house.

4. Geothermal Systems Are Quiet

Geothermal heating and cooling systems are much quieter than traditional HVAC systems, especially those with aging components. That’s due in large part to the fact they—unlike central A/C systems—don’t require a noisy, above-ground condenser unit or fan outside the house.

Indoor geothermal system components also feature sound-dampening technology designed to ensure they operate as quietly as possible. When you make the switch, you’ll hardly know your system is running.

5. Geothermal Systems Require Minimal Maintenance

Unlike a fully electric or gas-powered heating and cooling system, geothermal heat pumps and ground loops are far less prone to developing operational issues. As such, geothermal systems typically require far less ongoing maintenance than their traditional heating and cooling counterparts.

Because the majority of the system is underground, it’s not subjected to environmental conditions that can prompt deterioration.

And, because the system simply transfers heat rather than creating it, it doesn’t burn dirty like an oil or gas furnace or require frequent maintenance like an electric furnace or a/c unit.

What’s more, given the system’s operational design, it doesn’t experience anywhere near the amount of natural wear and tear that a conventional heating or cooling system sees.

With geothermal, you’ll not only enjoy a more reliable heating and cooling system but you’ll also save on annual HVAC repair costs.

6. Geothermal Heat Pumps and Ground Loops Have Extensive Lifespans

On average, geothermal heat pumps last about 25 years while geothermal ground loops can last upward of 50 years with minimal maintenance.

Compare that to the average lifespan of conventional heating and cooling equipment — which is usually in the ballpark of 15 years — and the advantage is crystal clear.

You’ll get far more life out of a geothermal system than you can ever hope to get out of a gas or fully electric heating and cooling system.

7. Geothermal Heating and Cooling Protects Your Safety

Any heating system that relies on combustion (aka burning oil or gas fuel) to produce heat is inherently hazardous. And although there are several regulations in place to protect consumer safety, there’s no ignoring the fact that combustion-reliant systems produce carbon monoxide, which can be deadly.

What’s more, there’s always a risk of leaks, fires, or even explosions with these types of systems because they rely on flammable fuel to function.

Geothermal has none of those risks!

8. Geothermal Is Environmentally Friendly

Want to reduce your environmental footprint? Making the switch to geothermal is an excellent way to do that.

Since these systems don’t burn fuel to create heat or use an enormous amount of electricity to operate, they are, without a doubt, the most eco-friendly heating and cooling option on the market today.

In fact, claims that a geothermal system can reduce household energy consumption by 25-50%!

What’s more, when you install a geothermal system, you can claim a credit on your federal taxes and may also be able to claim local energy rebates for being an environmentally conscious homeowner.

Schedule a Geothermal Consultation With The Comfort Company

Ready to find out if geothermal heating and cooling is right for your Minnesota or Wisconsin home? Get in touch with our team at The Comfort Company to schedule a free consultation!

Call our Hermantown, MN office at 218-231-4436 or send us a message with your questions, and we’ll get in touch!