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Chicago’s Trusted HVAC & Refrigeration Specialists

Reliable heating, cooling, and refrigeration solutions for homes and businesses across Chicago. Fast, friendly service you can trust, 24/7.
  • 24/7 Emergency Service
  • Upfront, Honest Pricing
  • Certified Local Technicians
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Who We Are

About Citywide Supply and Service

Citywide Supply and Service has been keeping Chicago homes and businesses comfortable with expert HVAC and refrigeration services for years.
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Top rated HVAC and refrigeration experts serving Chicago and beyond

Our Services

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AC Installation

Stay cool and comfortable all summer long with our professional AC installation services. We expertl...
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AC Repair

Regain comfort quickly with our professional AC repair services. We diagnose and fix air conditionin...
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Furnace Installation

Stay warm all winter with our expert furnace installation services. We make getting a new heating sy...
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Furnace Repair

Keep your property warm and comfortable with our trusted furnace repair services. We deliver fast, e...
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Refrigeration Repair

Maintain the safety and reliability of your commercial refrigeration with our professional repair se...
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Walk-in Cooler Repair

Protect your business with expert walk-in cooler repair. We quickly diagnose and fix cooling issues ...
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Boiler Repair

Keep your property safe and warm with expert boiler repair services from Citywide Supply and Service...
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HVAC Maintenance

Protect your comfort and lower your energy bills with thorough HVAC maintenance. Our experts ensure ...
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Ductwork Installation

Improve your HVAC system’s efficiency and comfort with precision ductwork installation, expertly han...
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Thermostat Installation

Take control of your comfort and energy savings with expert thermostat installation from local HVAC ...
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What People Say

Customer Reviews

They were excellent! Very helpful staff, and they came recommended by our neighbors.

James V.

They were excellent! Very helpful staff, and they came recommended by our neighbors.

James V.

They were excellent! Very helpful staff, and they came recommended by our neighbors.

James V.

They were excellent! Very helpful staff, and they came recommended by our neighbors.

James V.
Our Service Area

Serving Chicago and The Surrounding Areas

Proudly serving neighborhoods throughout Chicago, including Portage Park, Jefferson Park, Norwood Park, Old Irving Park, and more.
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Committed To Quality

Our Quality Commitment

Our certified team delivers reliable results using top-quality parts and equipment. Every project comes with our 100% satisfaction guarantee.
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Request Service Now

Call Citywide Supply and Service today for quick, dependable HVAC and refrigeration help. Estimates are always free!
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Frequently Asked Questions

We provide AC and furnace installation, repair, and maintenance, along with expert service for walk-in and reach-in coolers, boilers, ductwork, thermostats, and more. We handle both residential and commercial projects.

Yes, we offer free, no-obligation estimates and honest assessments for all HVAC and refrigeration services. Contact us to schedule yours today.

Yes. Our technicians are available 24/7 for emergency repairs on heating, cooling, and refrigeration systems. Just call us any time for fast assistance.
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Citywide Supply and Service
Call Citywide Supply and Service today for quick, dependable HVAC and refrigeration help. Estimates are always free!

Monday – Sunday: Open 24 Hours

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