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HVAC Company in Chicago - Deljo Heating & Cooling

Proudly serving your community since 1922

Why Choose Deljo? See Our Differences.

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Client Testimonials

Read the opinions of our satisfied customers.

I always use Deljo. The entire staff is amazing from intake calls to install. They were fast, professional and gave us a fair price.

Monica OConnor Chicago IL.

Joe was great. We came home to a cold house on a Sunday night and he came out to diagnose the issue right away. Very knowledgeable, very friendly.

Kyle Sant Chicago IL.

We’ve been using Deljo for several years and have had a great experience with them. They’re prompt, reliable, and trustworthy. The technicians (David was the most recent) have been great.

Ari Telisman Chicago IL.

My hot water heater had some leaky pipes due to corroded unions. The repair took longer than I thought due to some unforeseen circumstances. Unfortunately after the repairs the water heater stopped working...

Maria Pradd Chicago IL.

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.

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.

Goldstar Maintenance

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!

  • Discounted diagnostic charge
  • 15% off of parts and repairs
  • Regular maintenance on all covered equipment
  • Seasonal maintenance visits
  • Priority scheduling
  • Discounts on installation

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.

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Questions? We Can Help! Contact Us Today!

Our Service Areas

Contact Deljo Heating & Cooling today. We look forward to hearing from you and helping out with all your indoor comfort needs.

Chicago Suburbs

Chicago Neighborhoods