Resources

What is a closed loop geothermal system? A closed loop geothermal system continuously circulates a mixture of water and non-toxic antifreeze through buried or submerged plastic pipes. These underground pipes connect to an indoor heat […]

What is a vertical ground loop? A vertical ground loop is a series of plastic underground pipes filled with a heat-transfer fluid and installed in one or more boreholes about 200 to 500 feet deep […]

What is a horizontal ground loop? A horizontal ground loop is a series of plastic underground pipes filled with a heat-transfer fluid and buried at shallow depths over a wide swath of land. The loop […]

It’s easy to feel frustrated while researching how much geothermal heating and cooling costs. Many articles present extreme price ranges with little insight into the factors that affect the price of the system. Without this […]

Air-source heat pumps (ASHPs) provide heating and AC by pushing heat into your home in the winter and pulling heat out of your home in the summer.

Propylene glycol is a synthetic (man-made) liquid substance belonging to the same chemical group as alcohol. Propylene glycol has excellent heat transfer properties and reduces the freezing point of water.

The first question homeowners generally ask about geothermal heating and cooling systems is how much they cost to install. The second question is how much they cost to operate. According to the US Environmental Protection […]