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Energy Stars Heating & Cooling Co is the YORK® Residential Dealer of the Year

YORK® Residential Dealer of the Year



Heating, Cooling, and Home Comfort Services for Collinsville, IL

When you need air conditioning and furnace services, Energy Stars Heating & Cooling Co is the premier heating and cooling company in Collinsville, IL.

We are the leader in all HVAC services including repair, maintenance, and installation for:

  • Furnaces

  • Air Conditioners

  • Heat Pumps

  • Boilers

  • Mini Splits/Ductless

  • Ductwork systems

  • Smart Thermostats

  • Insulation & Air Sealing

Collinsville, you don’t have to look anywhere else for the best in heating and cooling!

 We’re an A+ BBB Accredited business fully licensed, insured, and certified. We’re a Core Ally for the Ameren Illinois Program. (To read more about our partnership, click here.) We’re also a Home Depot Service Provider. All of our technicians are background checked and treat your home like your own. After each and every job, we leave your home how we found it. We explain to you how to properly operate and maintain your new equipment. Before we begin the install, we properly size the equipment. This means we measure the size of your home, what direction it faces, your number of windows, your insulation levels, and your duct work.


Many other HVAC companies neglect how important your ductwork is in relation to your project. Not all ducts are designed equally, and the wrong ductwork layout will cost you. Your ducts manage the airflow in your home.  If your ducts cannot handle the air your system produces, it will cause the unit to be less efficient and you will not feel comfortable in your home. You’re essentially wasting money on comfort you’re not getting.

This is why we properly size your A/C or furnace unit. If either of these are too large, it will be too much for your ductwork to handle. If your A/C or furnace is too small, not enough air will pass through. In both cases, the result is the same. Poor air flow = uncomfortable homes.

We make Collinsville homes comfortable! Making your home energy efficient and comfortable with the right equipment doesn’t cost as much as you may think. We have financing available, and our comfort experts make sure you get every available rebate and incentive to help cover the costs.

About Collinsville, IL


Collinsville, IL is located approximately 12 miles from St. Louis. The city is mostly located in St. Clair County, with parts of it in Madison, IL. Collinsville is proudly known as the “Horseradish Capital of the World” and hosts an annual Horseradish Festival that features local Horseradish favorites along with fair classics. In the fall, Collinsville hosts their Annual Italian Fest featuring traditional favorites and family friendly activities. Lastly, Collinsville is home to the World’s Largest Catsup bottle.  

The Best Heating, Cooling, and Insulation in Collinsville, IL


While there are other HVAC companies in Collinsville, Energy Stars Heating & Cooling Co is your best choice because provide quality installs at fair prices. Other companies use cheaper materials to cut costs. We don’t. Other companies don’t take the time to complete safety testing. We test for carbon monoxide to make sure your family is safe.

When you call other hvac contractors in the area, they might try to inflate their prices or pressure you into buying a new unit if you don’t need it. That isn’t the case with Energy Stars. We won’t raise prices on a simple repair job just to make an easy profit. We do honest work for our customers, and we’re proud of the service we provide. We’re confident in the work we provide so that’s why we offer a 10 Years No Worries Warranty for parts and labor.

This blows other HVAC companies’ warranties out of the water. When you make a major investment into your heating and cooling system, you shouldn’t have to worry about if it break down in one or even five years. Energy Stars Heating & Cooling Co has your back. Please give us a call at 618-477-8337 or contact us to schedule your FREE new equipment estimate or set up an appointment for repair or maintenance.