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Cooling

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AC Services

Chicago summers can be hot, humid, and unpredictable. When the temperature spikes, you want reliable AC services on call. For more than a century, Deljo Heating & Cooling has delivered trusted air conditioning services in Chicago, Illinois. From emergency cooling repairs to preventative AC servicing, our team keeps your home comfortable all summer long.

Our comprehensive offerings include everything from installation and maintenance to 24-hour emergency AC service in Chicago. Ready to schedule an appointment with one of our technicians? Call us or reach out online. Keep reading to learn more about our individual air conditioning services.

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Stay Cool & Safe With Quality Cooling Products

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Air Conditioning Repair

When your AC stops working properly, Deljo’s experts are ready to respond. We diagnose and repair all makes and models of air conditioners. Count on us to quickly restore your comfort.

Learn more about AC repair.

 

Air Conditioning Installation & Replacement

A new air conditioning system will improve your home’s comfort and energy efficiency. Our team helps you choose the right system for your home and budget, then installs it to the highest professional standards.

Explore air conditioning installation services.

 

Preventative AC Service & Tune-Ups

Prevent costly breakdowns and keep your system running smoothly with regular maintenance. Our comprehensive AC service includes cleaning, calibration, and performance checks to ensure maximum efficiency.

Learn more about AC maintenance.

 

24/7 Emergency Cooling Service

Cooling emergencies can happen at the worst times. We recognize this, and that’s why we’re always here for you. Our emergency HVAC technicians are available around the clock to restore comfort when you need it most.

Get emergency HVAC help.

 

Ductless Systems

Looking for an energy-efficient way to cool rooms without ductwork? Ductless mini-split systems offer flexible comfort with zoned temperature control and easy installation.

Learn about ductless systems.

Zone Control Systems

Take control of your home’s comfort with a zone control system that lets you adjust temperatures room by room. Zone control systems not only enhance your comfort, but also help you save on your energy bills.

Discover the benefits of zone control.

 

HVAC Maintenance Program

Keep your cooling system performing its best year after year with Deljo’s preventative maintenance program. Members enjoy priority scheduling, special discounts, and peace of mind knowing their system is in expert hands.

Join our maintenance program.

 

Why Choose Deljo Heating & Cooling?

For over 100 years, Deljo has been one of the most trusted names in Chicago air conditioning service. Our licensed technicians always provide honest recommendations, fair pricing, and professional service. We take pride in doing every job right the first time.

Get an Instant Quote or Schedule Service

Ready for professional air conditioning service in Chicago? Whether you’re upgrading your system, scheduling preventative AC maintenance, or need same-day cooling service, Deljo Heating & Cooling is here to help.

Call us or contact us online to get started.

For A/C Installation & Service
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Learn More About Your Homes Heating & Cooling

Frequently Asked Questions

When Do I Need To Repair My AC System?

When it is time to have air conditioner repairs done, you will probably notice some of the following signs: No cool air coming out of the vents, weakened air flow, or issues with moisture. For example, If you start to notice there is moisture forming around your air conditioning unit, you may be dealing with a refrigerant problem. When refrigerant leaks out of your HVAC unit, it will produce a lot of moisture. Our experienced technicians will be able to find and fix the refrigerant leak in a hurry.
Here are just a few of the ways the AC service we provide will protect and extend the life of your system: Check discharge pressure, Check amp draws on all electric motors, Calibrate thermostat, Measure refrigerant charge, Clean or replace the filter, Check and tighten all electrical connections, Lubricate motors, Clean condenser coil and condensate drain line, and Check overall system operation.

Schedule Heater Service in Chicago, IL Today

When you need help with heating in Chicago, we’re here to help. Call us today at 773-888-4229 for more information or to schedule same-day heater service. Our technicians will identify and address the root cause of your heater issues.

Client Testimonials

Read the opinions of our satisfied customers.

Call Now 773-829-4295 Schedule Your Service

Deljo’s heating and cooling team was awesome to work with. As a first-time homeowner, I really appreciated how clearly they explained everything and answered all my questions. From the quote to the install and follow-up, the service was top-notch. Highly recommend!

Lindsey A. Chicago, IL

Matt did an amazing job. He serviced our home and our rental property. He gave us options to help our systems run more efficiently. He also told us about Deljo’s new plumbing inspection which was very affordable. He is great!

Jordan R. Chicago, IL

We had a problem with our Humidifier and called Deljo. Jesus came out to help and was amazing. He was extremely knowledgeable, detail oriented, and super courteous. Amazing customer experience!

Jeff C. Chicago, IL

Jordan and Jesus were extremely helpful and knowledgeable! We would 100% work with them and have them back. They were both very professional and efficiently fixed our heating system.

Emily L. Chicago, IL

Shout out to Ernesto for coming out and servicing our furnace and air con. Deljo provides a great service and glad to trust them with our HVAC for our small business.

Lauren H. Chicago, IL

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