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Commercial HVAC in Central Illinois

Keeping your staff and customers satisfied during the workday is crucial to your productivity and growth. Thermal Services Inc. fosters comfortable workplaces by providing commercial HVAC repair for Central Illinois businesses. For over 15 years, our team has provided leading heating and cooling services and products. Our services include repairing, installing, and maintaining all system makes and models. One of our primary goals is to keep your employees and clients safe and happy from open to close.

hvac system on roof of building

Our Commercial Maintenance Agreements Set Us Apart

We understand that every business is different. What works for an office building may not work for a large-scale industrial complex. We tailor our maintenance agreements to your business’s unique size, workflow, and needs. Our team is fully trained, certified, and equipped to service all brands and components. Even the most minor malfunction can significantly impact you and your employees’ comfort, mood, and productivity. By choosing us, you’ll receive routine maintenance that is more convenient and cost-effective than major repairs.

Reliable Repairs With No Disruptions

We aim to provide quality repairs and replacements while enabling your workday to continue seamlessly. Our commercial services include:

RTU Repair

Our team fixes rooftop-installed heating and cooling units. We service all brands and styles.

RTU Replacement

Is your rooftop unit old or irreparable? We can install a perfect replacement to get you back to business.

Chiller Repair

We will quickly fix your chiller to restore cool, fresh air during the warm months.

Boiler Replacement

Our team can install a new boiler that boosts efficiency and heats your office correctly.

Furnace Repair

We provide minor and major repairs for all furnace brands, makes, and, models, restoring heat & comfort to your business.

Furnace Replacement

If you need a new furnace, we can provide. Our team specializes in careful old furnace removal and provide new installations.

A/C Repair

When your A/C suddenly breaks down, our team will arrive promptly to inspect your system components and make necessary repairs.

A/C Replacement

We replace old, damaged, and permanently broken air conditioners with new, more energy-efficient units and systems.

HVAC Controls

We can inspect, diagnose, and make repairs on your heating and cooling controls when they malfunction.

Air Purification

We install, repair, and maintain a wide range of air purifiers of different brands, makes, and models.

Humidity Control

Control your humidity by choosing us. We service dehumidifiers, moisture monitors, and beyond to keep your business comfortable.

Boiler Repair

We are trained and equipped to inspect all boiler components and repair them to restore heat.

Committed to You and Your Business

If you’ve worked, owned, or operated a business in the Central Illinois area, you’re familiar with our extreme temperatures, grueling winters, and sweltering summers. When your HVAC suddenly stops working, you risk displeasing customers and making your employees’ workdays harder. Thermal Services Inc. is devoted to making your business a comfortable place to work, live, and thrive. We can provide quick, 24/7 emergency services, returning your HVAC and business to full operation.

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

Service Area

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

Addison

Addison, IL, USA

Alton

Alton, IL, USA

Aurora

Aurora, IL, USA

Bloomington

Bloomington, IL, USA

Bolingbrook

Bolingbrook, IL, USA

Chicago

Chicago, IL, USA

Decatur

Decatur, IL, USA

Deerfield

Deerfield, IL, USA

Elgin

Elgin, IL, USA

Eureka

Eureka, IL 61530, USA

Galesburg

Galesburg, IL 61401, USA

Germantown Hills

Germantown Hills, IL 61548, USA

Joliet

Joliet, IL, USA

Kewanee

Kewanee, IL 61443, USA

Lewistown

Lewistown, IL 61542, USA

Lincoln

Lincoln, IL 62656, USA

Lockport

Lockport, IL, USA

Loves Park

Loves Park, IL, USA

Mendota

Mendota, IL 61342, USA

Metamora

Metamora, IL 61548, USA

Montgomery

Montgomery, IL, USA

Morton

Morton, IL, USA

Mundelein

Mundelein, IL, USA

Naperville

Naperville, IL, USA

New Lennox

New Lenox, IL, USA

Normal

Normal, IL, USA

Oak Lawn

Oak Lawn, IL 60453, USA

Ottawa

Ottawa, IL 61350, USA

Pekin

Pekin, IL, USA

Peoria Area

Peoria, IL, USA

Plainfield

Plainfield, IL, USA

Pontiac

Pontiac, IL 61764, USA

Princeton

Princeton, IL 61356, USA

Rock Cut

Rock Cut Crossing, Loves Park, IL 61111, USA

Rockford

Rockford, IL, USA

Springfield

Springfield, IL, USA

Streator

Streator, IL 61364, USA

Urbana

Urbana, IL, USA

Watseka

Watseka, IL 60970, USA

Waukegan

Waukegan, IL, USA

West Dundee

West Dundee, IL 60118, USA

Contact Thermal Services Inc. Today!