How much does it cost to heat with geothermal?

This cost would cover a complete geothermal installation. As the prices of natural gas, propane and heating fuel increase compared to the price of electricity, the savings associated with obtaining geothermal energy increase. The loops are connected to a geothermal heat pump in your home, which acts as an oven and air conditioner. To recover from a difficult period, the tense geothermal system will likely need the help of an additional heat source, such as an electric resistance heater.

Geothermal systems don't have to work harder due to extreme outdoor air temperatures, as do other heating and cooling systems. Two measures are used to calculate the efficiency of a heat pump: the heating performance coefficient (COP) and the cooling energy efficiency ratio (EER). Open-circuit geothermal systems work in a similar way, except that they transfer heat by pumping water from a backyard body of water. This most likely means that you currently use propane, oil, or electricity for geothermal heating and cooling.

The term distinguishes them from air-source heat pumps or ASHP that collect and discharge heat using outdoor air. Depending on your garden, your geothermal heat pump professional will recommend a horizontal, vertical or loop system. The loan could make the cost of a geothermal heat pump system comparable to that of heating and air conditioning systems. In addition to the high initial cost, the most common geothermal heating problems are due to inadequate system planning and improper installation of circuit fields and controllers.

Until 2024, a federal tax credit exists to help cover the cost of installing renewable energy systems, such as geothermal heat pumps. We surveyed dozens of geothermal installers and found the average percentage of the total cost consumed by each part of installing a geothermal system. A typical central air conditioner may have a SEER rating of 14 to 16, while a geothermal heat pump system may have a SEER rating of 15 to 20. During the winter, heat passes directly from heated living spaces to adjacent unheated areas and indirectly through walls, floors and ceilings.

You may get away with simply changing them with a few minor modifications, but if you don't already have a duct system and are switching from a ductless HVAC system to a geothermal heat pump system, expect to pay closer to the higher range of this price estimate.

Aria Lavoie
Aria Lavoie

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