The #1 Resource for Geothermal Heating and Cooling in Illinois

About Geo

Your own backyard has the potential to be an energy source for heating and cooling comfort. Outdoor air temperatures fluctuate throughout the year with the changing seasons. In contrast, ground temperatures about four to six feet below the Earth’s surface remain relatively moderate and constant all year.

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August 13, 2024 - 11:30 am - 12:30 pm

Proposed Updates to CSA/ANSI/IGSHPA C448 Standard Series 2024

Presented by Lisa Meline, P.E., Meline Engineering Corporation

In 2013, the Canadian Standards Association (CSA) Group invited IGSHPA, ASHRAE, NGWA and several other professional organizations in the United States to participate in what has been coined the Bi-National Standard.  In 2016 the Design and Installation of Ground Source Heat Pump Systems for Commercial and Residential Buildings, was released and incorporated what had previously been the US industry standard developed by the International Ground Source Heat Pump Association (IGSHPA).  This presentation will provide an overview of the 2024 revision which is currently out for public review and includes new sections on District Energy Systems, Foundation Heat Exchangers, and an Annex on Wastewater Energy Transfer Systems.


Registration NOW for the 2025 IGSHPA/GAOI Geothermal Conference.  This year’s conference will be held at the I-Hotel in Champaign, IL, March 11th through Wednesday, March 13th.   

“Owning a geothermal System has been great.”

I've owned a geothermal system for over 7 years now. It has kept my power bills low while keeping my family comfortable. It operates quietly and efficiently all year round. Owning a geothermal system has been a great experience.
Chris Reynolds


A single piece of equipment heats and cools your home, while providing some or all of your home’s hot water as well. Geothermal systems can save you 30 percent to 70 percent on your monthly utility bills.


 A geothermal system circulates a water-based solution through a buried loop system to take advantage of the Earth’s constant temperatures.


The federal government offers tax credits for homeowners who install a geothermal system on their property.