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


Alton, IL

Heating, Cooling, and Insulation for Alton, IL

HVAC Services for Alton, IL

Energy Stars Heating & Cooling Co has been providing top home comfort services to the Alton, IL area for years.

Whether you’re interested in repair, seeing if your family qualifies for energy saving rebates, or seeing how your home can be more comfortable, Energy Stars Heating & Cooling Co is here for you.

Why Alton neighbors choose Energy Stars Heating & Cooling Co?

Our company puts your safety and comfort first. We perform safety testing for every job. Sadly, these ife saving tests are not standard for every HVAC company.

The combustion safety testing we perform checks for carbon monoxide leaks in your home. The average carbon monoxide detector does not pick uplow levels of carbon monoxide, but our portable tools do.

Along with your safety, we take your comfort seriously. Most other contractors will automatically give you the same sized equipment you’ve always had.We’re not most contractors. Energy Stars Heating & Cooling Co takes measurements,also known as a load calculation, on your home in Alton including:

  • Length and width of home

  • Current Insulation

  • Windows and type

  • Square footage

  • Home type:

    • Brick
    • Ranch
    • Contemporary
    • Colonial

The only correct way to size heating and cooling system is use the Manual J, a system designed by the Air Conditioning Contractors of America (ACCA). We are one of the only contractors in the Metro East to use this system to calculate the perfect size unit for your home. You wouldn’t blindly make a major purchase such as buying a new bedroom or living room set without measuring to make sure everything fits ok.

Our load calculations make sure you get the right size furnace or air conditioner in Alton, IL.

HVAC Service, Repair, and Maintenance in Alton, IL

Energy Stars Heating & Cooling Co is a local residential heating & cooling service, repair, and maintenance company. We are here for all of your furnace, heat pump, air conditioning, ductless, boiler, and tankless water heater needs. Whether you need an AC clean and check or you need major furnace repair, our NATE certified, trained technicians will get your home comfortable again quickly and at a fair price. We do quality work and use quality parts so the job is done right the first time.

Call 618-477-8337 or click here to schedule a furnace or cooling repair.

About Alton, IL


Alton, IL is located about 25 miles north of St. Louis. Founded in 1837, Alton, hosted the famous final debate between Senator Stephen Douglas and Lawyer Abraham Lincoln. Alton is also known for being the birthplace and hometown of Robert Wadlow, the world’s tallest man. The great jazz musician Miles Davis was also born in Alton in 1926.

Living in Alton, IL

Alton is wonderful place to live, play, and work with a small town feel and big city amenities. The city is home to the Lewis and Clark State Historic Site, Piasa Bird Monument, Argosy Casino Alton, and National Great Rivers Museum along with a variety of other parks, golf courses, and historic sites. No matter what you’re in the mood for, there’s always plenty to do in Alton!

The Best Heating, Cooling, and Home Comfort in Alton, IL

With the most heating and cooling projects completed in Illinois, trust Energy Stars Heating & Cooling Co to keep your family safe, comfortable, and healthy. We perform safety testing on each job to check for gases like carbon monoxide as well checking areas that are making your home too cold or too hot.

Please give us a call at 618-477-8337 or message us to schedule an appointment or learn more about our whole home comfort analysis today.

Our Services

  • Furnace Repair
  • Heat Pump Repair
  • Boiler Repair
  • Mini Split/Ductless System Repair
  • Furnace Installation
  • Heat Pump Installation
  • Mini Split Installation
  • Attic, Crawl Space, Wall Insulation
  • Crawl Space Encapsulation
  • Professional Duct Cleaning

Our Reviews

Kasey Brodeur
Kasey Brodeur
18:35 23 Aug 19
Our ac unit went out yesterday and I called them today at 11am they scheduled an appointment for Hunter to come out at 1. He showed up right on time and explained all our options for a new one. He was very honest and a knowledgeable on the different types of units and how they would do the job. I signed a contract for them to replace our old unit. I would definitely recommend this company for your needs. Thank you so much for coming in the same day and more
Caleb Fifer
Caleb Fifer
14:47 23 Aug 19
Excellent service technicians. Very knowledgeable and friendly. Will update review after installation of new units.
Sam Lewis
Sam Lewis
15:53 07 Aug 19
Darryl was great and very thorough. We always call Energy stars when we need tune-ups on our equipment. Excellent service every more
Bill Hancock
Bill Hancock
22:20 24 Jul 19
Had 2 great guys show up this morning little after 8am, took their time made sure everything was right. Energy Stars is a good reasonable place to go to have your furnace and a/c replaced with reasonable prices. Satisfaction is a 100%! Highly recommended!!!read more
Paul Frost
Paul Frost
16:11 24 Jul 19
These guys are fantastic at what they do. From the get go I recieved a free estimate for work on my home to make my attic space livable. Within a week they had an excellent service team at my home replacing duct work and improving the insulation in my home. Everyone on their team is friendly, courteous, and knowledgeable. I highly recommend the Energy Stars team to anyone looking for a great deal done by professionals!read more
Marci Armstrong
Marci Armstrong
13:32 15 May 19
I was very happy with my ac tune up and safety inspection. All of the staff was very friendly and helpful. I loved my experience and would definitely recommend Energy Stars to others!read more
Michael Rotruck
Michael Rotruck
13:22 19 Feb 19
A couple years ago they replaced our furnace and air conditioner and hot water tank. They were quick. Great service. Neat and clean. Highly recommend this more
Stephen Skelton
Stephen Skelton
01:14 28 Sep 18
Have been using Energy Stars for maintenance for the last couple of years after the purchase of my new heating and cooling system. I have always been happy with the service I have received. Today I had a different tech than usually comes out. His name was Dave and I have to say he was the most professional and most thorough service provider I have ever experienced. Thanks Dave, I appreciate the work you did at my house today and the excellent service you more
Next Reviews

We Service All of the Metro East & Parts of St. Louis

service area

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