Heating Installation, Repair and Service

Installation, Repair and Service

Cooling Installation, Repair and Service

Installation, Repair and Service


Check Out What People Are Saying

American Home Heating and Northstar customers are now a part of the Deljo family. Questions? Call Us Today! 773-829-4295 or Click Here

Welcome to Deljo Heating and Cooling

When it comes to the comfort inside of your home, you’ll want to do everything in your power to keep you and your family content. Thanks to our team at Deljo Heating and Cooling, doing so has never been easier or more affordable. Our 90-plus year history in the local heating and cooling industry has provided two generations of Chicagoland residents and business owners with high-quality HVAC products and services that have kept them comfortable through the extreme temperatures of Chicago’s winter and summer seasons. Whether you need heating and cooling services in Lincoln Park or simply want a team member to come inspect the current state of your unit, our team is only a phone call away.

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Join Our Gold Star Program

Hassle Free Financing

Special Financing

Read Our Customer Reviews

Read Our Customer Reviews

Deljo Heating & Cooling

proudly serving your community since 1922

The Deljo Difference

It’s no secret that there are many different HVAC companies throughout the Chicagoland area, but not all have the same level of training and service that our team does. When you call our team at Deljo Heating and Cooling, expect exceptional service and superior quality every time. By consistently meeting rigorous national standards for performance, Deljo Heating & Cooling is distinguished as a Carrier Factory Authorized Dealer. We continue to reach high expectations for ethical business practices year after year.

By maintaining all required local licenses, complete insurance & liability coverage, and fulfillment of warranty specifications, we provide Chicago area home and business owners a team of support on which they can count.

Heating, Air Conditioning & HVAC

Comfort You Can Come Home To

Deljo Heating & Cooling is also a Mitsubishi Diamond Dealer, guaranteeing a superior skill set, dedicated customer service and sophisticated solutions to the most challenging home temperature concerns.

Our technicians participate in extensive training and education at every level of service, from new product sales to continued customer care, at a Mitsubishi Electric-approved training center. Our intensive training and years of experience are your assurance that we will always be here to provide superior HVAC service whenever you need us. Regardless of the team member that is servicing you, you’ll immediately understand the Deljo Difference.

Chicago IL HVAC Experts

Client Testimonials

Deljo made me feel like a priority from minute 1. Other HVAC companies left me feeling dismissed and like a bank account, while Deljo treated me like a real person. The furnace and A/C installations themselves were excellent, the Deljo representatives were professional, polite, and timely. They were happy to answer all of my questions and show me my new purchase. They even identified an issue with a neighbor’s unit beside mine and took photos so I could show my neighbor that their unit was freezing over. I was impressed with the salesperson, I was impressed with my installers, and I continue to be impressed with Deljo’s post-service follow-ups and gratitude for my business. I’ll be a Deljo customer for a long time!

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~ Margaret Drisi (8/13/20)

We had another great experience with Deljo. They replaced 2 AC units in a tough spot on our 4th floor. ‘No problem’ was what they said and a huge relief to us. Everyone was very professional, respectful of our home and did great work. All expectations were set appropriately and met. I’m really happy with the experience and will definitely continue to use Deljo going forward.

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~ Mary Gorman (8/6/20)

We were impressed with our service technician, Jordan’s dedication and expertise. He contacted Carrier and with their help, diagnosed the problem with our A/C unit. Then, he patiently communicated his findings to us so that we felt comfortable going forward with the repair. We were relieved that we didn’t have to replace the whole unit! After the replacement part came in, Jordan returned to complete the repair and made sure that the system was working well before leaving. We will definitely continue working with DELJO, and will request Jordan if he’s available for our next maintenance visit!

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~ L Lawler (7/29/20)

Eddie pinpointed our problem immediately and was very honest about what we were looking at. He is a pure professional! We also did installation of new furnace, condenser and humidifier. From Greg, our salesperson, to Steve our incredible tech installer and Brad.. we couldn’t have asked for a better team. Polite, on time, neat and professional. Just perfect. I rarely recommend businesses, but Deljo is truly great.

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~ Bonnie Spurlock (7/27/20)

Deljo Heating and Cooling has been servicing our home for years. Emergency? They jump into gear. Maintenance checks? They have you covered. Replacement? Straight talk, fair price, on time and super professional. They are the standard by which I judge all other service companies.

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~ Steven Lieb (7/13/20)

Matt was terrific! This was a preventive maintenance call. He was very thorough and very respectful of the need to maintain social distance and to protect both himself and us from potential COVID-19 infection (something I was quite concerned about before he arrived). He gave me an opportunity to ask questions both before he started and after he finished. I was extremely please with the visit.

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~ Jim Larson (5/15/20)

What You Can Expect When Hiring Deljo Heating & Cooling

Owning a home comes with so much responsibility, but stressing about your HVAC shouldn’t be top of mind. Finding the right professionals to help ease the burden of keeping up with the vital systems in your residence is important, which is exactly where our team at Deljo comes into play. When it comes to keeping your heating and cooling unit in good working order, you need to call on Deljo Heating & Cooling for help.

We have been in the HVAC repair business for countless years and will have no problem extending a helping hand when you need it. Hiring us will allow you to take advantage of a number of benefits that we offer as well, such as the following.

Maintenance Programs to Save Money

One easy way to save money is by participating in regular maintenance programs that our team provides. HVAC maintenance is ideal to help catch developing problems before they get worse, ultimately saving you time and money in the future. Rest assured that our team will only suggest repairs and services that you genuinely need. Your comfort is our top priority!

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Fast and Efficient Air Conditioning
and Heating Repair

For most homeowners, any HVAC repair needs to be done in a timely manner. The longer you have to wait for AC repair, furnace repair, etc., the more difficult you will find it to maintain a comfortable temperature in your residence. Our experienced technicians will find the problem and complete....

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We Provide Convenient

In some instances, your existing unit will have to be replaced due to wear or age. Coming up with a lump sum of money to get a new unit can be difficult. We can provide you with special financing, subject to approved credit. We offer convenient monthly payments and the flexible financing options you are looking for.

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Winners of the Angie's List Super Service Award from 2004 to 2017!