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Trusted Heating Repair in Chicago Area

Having an HVAC company properly maintain the heating system in your home can give you priceless peace of mind. At Deljo Heating & Cooling, we understand the importance of having an HVAC system that functions well year-round. Our HVAC team has your best interests in mind. We’ve been serving the Chicagoland area since 1922 and take pride in providing our customers with the Deljo Difference.

Finding the Heart of the Issue

Unlike other HVAC companies, we fix the problem at its source to reduce the risk of it happening again. Troubleshooting is an important part of our process, so we can fix problems right the first time. We complete our repairs in a timely and efficient manner, so you can continue living life without HVAC-related interruptions.

Our decades of experience assure you that we are fully equipped to help you with any issue that comes your way.

Examples of Our Heating Services

Regardless of your furnace or boiler issues, Deljo Heating & Cooling is here to help. Here are some common examples of services we provide.

Prompt & Precise Repair Services

Even in a non-emergent situation, Deljo provides swift and reliable Chicago heating repair.

With our 100 years of experience, we can expertly diagnose and repair both historic and contemporary homes’ HVAC systems. This includes boilers, furnaces, heat pumps, and other heating systems.

Replacements & New Installations

We will quickly replace your current heating system when the time comes, so you can get back to your routine. If you need to upgrade or need a new furnace installation, we are here to help.

Special financing is also available for boilers, furnaces, heat pumps, and more.

Maintenance Programs

We want to help you stay on top of your boiler and furnace maintenance. Our team can catch small problems with your furnaces before they turn into something bigger. Our annual maintenance plans start as low as $24 per month and can save you money in the long run.

Emergency services

When your system isn’t working right, our HVAC experts are just a phone call away. Our customer service line is available 24 hours a day. Call us, and we will send one of our HVAC contractors out to help you with emergency heating repairs.

Trust Our Team at Deljo

Furnace Repair In Chicago

The Deljo Difference is a mindset that we implement every day when we put on our uniforms. We strive to gain your trust and ensure you receive only the best quality services from our team.

Have questions about your heating system? Wondering when to turn on the heat in Chicago? Want tips on how to save money on your energy bill?

Deljo Heating & Cooling experts are only a phone call away. We take pride in being a reliable resource for our customers.

Contact Deljo Heating & Cooling if you want to learn more about your home’s heating system or schedule a repair. You can reach out online at your convenience or give us a call to schedule today.

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.

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