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Tri-County Heating & AC Systems is a well-established, family owned and operated
heating and cooling company located in Sandwich, IL.

Our services are tailored to the unique needs of each customer, ensuring the best possible results and maximized comfort for energy savings. We give all our customers equal attention!

We are firmly committed to maintain a high course of quality and integrity in the performance, installation and service maintenance of Heating, Air Conditioning, and Indoor Air Quality products for your home or business.

Our Commitment

We treat our customers with courtesy and integrity. We guarantee efficient, honest services that achieve remarkable results.

Efficient, Honest Services for Individuals and Businesses

Our Services

Tri-County Heating & AC Systems Expertise Includes: 
• Residential and commercial heating and cooling service
• Service for all heating and cooling equipment on all makes and models
• Heating and cooling equipment installation and repair
• Boiler installation and repair
• Furnace and air conditioner installation and repair
• Furnace and air conditioner cleaning and maintenance
• Hot water heater installation and service
• Custom sheet metal and duct work
• Humidifiers and air filtration systems
• Kitchen exhaust and ventilation
• 25 years experience in new construction, contact us for a estimate
• Maintenance contracts - Save BIG money
"American Standard was recently
rated the most trouble-free HVAC
brand by a leading Consumer
Rating's Publication Survey"
We know heating and cooling systems can be a great expense. That is why offer many different specials to fit your budget.
Tri-County Heating & AC Systems has a wide range of services available. If your heating or cooling system fails we are here for you.