Chicago's #1 Premier Comfort Specialist

Heating & Cooling Since 1966

  • 100% Satisfaction Guarantee
  • One Year Labor Guarantee
  • Property Protection Guarantee
  • Drug-tested, Background Checked HVAC Technicians
  • 24/7 Emergency Service Available

Chicago’s most trusted heating and cooling company for over 30 years. It’s so important to know that the heating & air Conditioning company you choose is a trusted expert in their industry.

Chicago's Refrigeration Experts

We service restaurants, supermarkets, or any type of business.

  • We will repair your refrigeration, heating and or cooling systems. Citywide will service all your HVAC needs so you can focus on your business.
  • Citywide will keep your existing refrigeration and HVAC systems running; with repairs when necessary with our preventative maintenance program that allows you to avoid those costly headaches you just don’t need.
  • We install and repair walk-in coolers, walk-in freezers and restaurant equipment. We have both new and used equipment available. Please contact us with any questions you might have.

Citywide Customer Testimonials

Chicago's Heating and Cooling Company

Citywide has been providing quality, efficient, & reliable HVAC installation, Water Heater & Plumbing Services, Chicago Steam Boiler Service, Commercial Refrigeration, Walk in Cooler Repair, Chicago furnace installation Service & Boiler service to our residential & commercial customers.

Chicago Commerical Refrigeration Repair and Service

“One of Chicago’s Oldest Heating & Cooling Companies-Serving Chicago Heating Repair, Furnace repair & Refrigeration Repair (We service all brands of boilers).

Chicago’s oldest boiler service and furnace repair company. Citywide Supply and Service has the reputation of being “Chicago’s most Affordable and Reliable” Refrigeration Experts.”

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Industrial Maintenance Contracts

Citywide Supply and Service offers heating and cooling, industrial maintenance, and AC repair for commercial, corporate, industrial, private, and state buildings. Citywide Chicago HVAC

Visit our commercial HVAC contract page at:

Click here to Visit our Chicago commercial maintenance contract page.

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Chicago Refrigeration Service

Refrigeration, walk-in-cooler service, HVAC service, heating, air conditioning repair and service for the entire city of Chicago.

  • Chicago Air Conditioning Service
  • Chicago HVAC Service
  • Satisfaction Guaranteed!

Get In Touch

We would love to hear from you!

Citywide Supply and Service
2517 West 59th Street
Chicago, IL 60629
773hotcold or that’s 773 468-2653
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