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Residential & Commercial HVAC in Central Illinois

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Get $500 OFF New Systems This Spring!

Among the Best Heating & Cooling Services

Thermal Services Inc. is a leading company providing quick, reliable HVAC repair for Central Illinois homes and businesses. We believe your comfort is crucial. Americans spend almost all their time indoors. That’s why we prioritize our customers’ indoor air quality. Whether you want new equipment installed, malfunctioning equipment repaired, or cleaner, safer air, you can depend on our team to get the job done right. We comprise union-trained, certified, and licensed technicians who value their communities and the people they serve. You can count on us to provide your home or business with high-quality HVAC services and products.

Air Conditioning
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Our Values

Integrity. Transparency. Sincerity. Respect. Communication. These are the values our team upholds, lives out, and prioritizes daily. From routine maintenance to major, urgent repairs, you’ll receive outstanding customer service all day, every day. As seasoned technicians, we’ve seen every kind of HVAC malfunction, damage, and emergency, and we’ve solved them, too. Our team will customize our service to meet your building’s precise needs. We’re a locally owned and operated company that knows how harsh the temperatures in our area can be. We’ll treat your property and those you care about like our own and provide them with the BEST care possible.


Our Reviews

Thermal Services Inc BBB Business Review

Trust A+ BBB Rated Company

Rest easy knowing you are choosing a BBB Rated company!

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A Proud Ameren Energy Efficiency Partner

ameren logo

Thermal Services Inc. is a registered Program Ally with the Ameren Illinois Energy Efficiency Program. Through the program, qualified customers can receive instant incentives on their HVAC upgrades if they make their systems more energy efficient. Eligible customers receive incentives on the following:

  • Smart Thermostats
  • Notched V-Belts
  • Central Air Conditioners
  • Heat Pump Water Heaters
  • Duct Air Source Heat Pumps
  • 95% Efficient Furnaces
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Interested in Receiving Ameren Incentives?

You don’t need to fill out an application to see if you qualify for the Ameren Illinois Energy Efficiency Program. We will take care of the paperwork for you. Qualified customers receive most of their incentives at the time of purchase without waiting for their project to be complete or for their rebate to be sent. Ameren offers Energy-Efficient product incentives for home products like refrigerators, washers, dryers, lighting, and power strips. Commercial clients may also be eligible for incentives. Please get in touch with us if you are interested in Ameren incentives, and we’ll fill out the paperwork to check your eligibility.

Our Mission

At Thermal Services Inc., our mission is to provide Central Illinois homes and businesses with the highest quality HVAC services and products. Everyone deserves clean, safe, quality heating and cooling, so we make our offerings affordable and suitable for your budget. By choosing us, you’ll ensure that your air becomes fresher than ever before. Our team is trained and certified to handle systems, components, and equipment from all brands. We are continuously updating our products and services to ensure it meets the needs of modern HVAC systems. We are the area’s first choice for residential and commercial services.

Residential Service Area

  • Bartonville
  • Brimfield
  • Canton
  • Carlock
  • Chillicothe
  • Danvers
  • Delevan
  • Dunlap
  • East Peoria
  • Edelstein
  • Edwards
  • El Paso
  • Eureka
  • Germantown Hills
  • Hopedale
  • Mackinaw
  • Mapleton
  • Metamora
  • Morton
  • Mossville
  • Pekin
  • Peoria
  • Peoria Heights
  • Roanoke
  • Tremont
  • Washington

Commercial Service Area

  • Addison
  • Alton
  • Aurora
  • Bloomington
  • Bolingbrook
  • Chicago
  • Decatur
  • Deerfield
  • Elgin
  • Eureka
  • Galesburg
  • Germantown Hills
  • Joliet
  • Kewanee
  • Lewistown
  • Lincoln
  • Lockport
  • Loves Park
  • Mendota
  • Metamora
  • Montgomery
  • Morton
  • Mundelein
  • Naperville
  • New Lennox
  • Normal
  • Oak Lawn
  • Ottawa
  • Pekin
  • Peoria Area
  • Plainfield
  • Pontiac
  • Princeton
  • Rock Cut
  • Rockford
  • Springfield
  • Streator
  • Urbana
  • Watseka
  • Waukegan
  • West Dundee

thermal services inc logo

2200 W Altorfer Drive
Peoria, IL 61615


Hours of Operation
Monday: 7:30 AM – 4:30 PM
Tuesday: 7:30 AM – 4:30 PM
Wednesday: 7:30 AM – 4:30 PM
Thursday: 7:30 AM – 4:30 PM
Friday: 7:30 AM – 4:30 PM
24/7 After Hours Emergency Service

2200 W Altorfer Dr, Peoria, IL 61615, USA