top of page
home with thermo HI-REZ
Modern kitchen and living room in a big house



You can see how geothermal works in this simple video

Geothermal heating and cooling can be up to four times more efficient than other types of heating and cooling and can cut your monthly energy bill up to 70%.. Geothermal systems are also easily the most environmentally-friendly way to heat and cool your home or business and often pay back the cost of the system within 10-15 years.  

Compare the operating costs below to calculate your savings, then call us at 603-323-7924.

Hartley Well Geothermal Heating & Cooling

Geothermal heat pumps (GHPs) have been used since the late 1940s, harnessing the constant shallow ground temperature of the earth to heat and cool vastly less expensively and with far less environmental impact than typical heating & cooling. 

If you’re considering geothermal heating & cooling, then call us at 603-323-7924.

More Money in Your Wallet

Our CDI Series SM geothermal heating and cooling systems are extremely efficient and eco-friendly, dramatically cutting your energy bills with minimal environmental impact.

Zero Emission Comfort

Bosch green technology installed by Hartley Well Drilling is truly the most environmentally-friendly way to cool and heat your home.  The system releases no carbon dioxide or any other negative 
elements into the environment.  Likewise, our geothermal installations reduce greenhouse gas emissions versus others and help save energy, thereby reducing U.S. dependence on foreign oil.

Operating Cost


Geothermal Operating Cost Comparison
Geothermal CO2 Emissions Comparison

The Geothermal Heating & Cooling System federal tax credit of 30% has been extended through 2019 


For systems placed in service by:
12/31/2019  =  30%
01/01/2021  =  26%
01/01/2022  =  22%

Eversourse Discounts for Hartley Customers

Lower Bills

Based on current rates, you may save 20 percent or more on the space heating portion of your bill. Your savings will depend on your usage. Find out how... 

Get the facts that will help you make the best decision for your geothermal system installation. For more details on geo heating and cooling, click on a PDF link.

bottom of page