Established in 1983 and an IGSHPA (International Ground Source Heat Pump Association) certified installer since 1996, we are one of Connecticut’s leading geothermal heating and air conditioning contractors. 

We have provided hundreds of customers in Connecticut and Westchester County New York with the most efficient heating and cooling systems ever tested by the Air Conditioning & Refrigeration Institute [ARI].

We are proud to be rated a GEOPRO Dealer by WaterFurnace International.    What is a GEOPRO dealer?     Only the best from the WaterFurnace network of independent dealers are invited to become a GeoPro Master Dealer. They have proven time and again that they truly care about customers like you.  GeoPro dealers have proven themselves in the following areas:

• Overall Performance
• Experience and Dedication
• Installation Quality
• Technical Training
• Business Practices
• Marketing and Advertising Efforts

Specializing in geothermal systems we also provide;

• Computer load calculations and system design
• Custom Duct Fabrication
• Hydro Air
• Radiant Floor Systems
• High efficiency gas boilers and furnaces

Seguin Heating and Air Conditioning, Inc. has been approved as a Connecticut Clean Energy Fund (CCEF) Eligible Geothermal Contractor. This status allows us to participate in the Geothermal Rebate Program for commercial and residential customers in the State of Connecticut.

"Low impact for the environment"