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Deerfield Heating and Cooling Repair & Installation Services

When your heater or air conditioner goes out it can ruin the day for everyone in your home. You don’t want to have to worry about it – you just want someone to fix it as soon as possible. We understand and respect our customers’ desire for comfort, and you can rely on us to arrive promptly to make the necessary repairs professionally and edefficiently.

Deljo Heating and Cooling has been providing high-quality HVAC services to area customers for over a century. Our core values got us where we are today, and we will continue providing our customers with the satisfaction they expect and deserve.

Maintenance for HVAC – Deerfield

Regular heating and cooling maintenance goes a long way to prolong the life of your HVAC system. When everything is cleaned and serviced, the system runs more efficiently with reduced chances of needed repair.

We recommend maintenance service every spring and fall so the system is in peak condition when severe temperatures strike.

Heating and Air Conditioning Repair Services

Whether you have a boiler, heat pump, ductless AC, or any other type of HVAC system, Deljo Heating and Cooling can fix the problem. Our experienced HVAC technicians will diagnose and repair your heater or air conditioner while being respectful of your time and home. For all your HVAC repairs in Deerfield, IL, rely on Deljo Heating and Cooling.

HVAC Installation Services

Even with the most outstanding care and maintenance, all HVAC systems eventually stop working. When this happens, call us to replace your existing system or consider whether or not the time is right for an upgrade. Many people opt for a high-efficiency system that saves money on monthly energy bills.

If you are interested in upgrading your heater or cooling system, schedule a consultation with one of our HVAC technicians. We will discuss with you your needs and budget, then make an educated recommendation to ensure you are happy and confident with your decision.

HVAC Emergency Services

Because we care about the well-being of our customers, we offer emergency heating and air repair services in Deerfield. Extreme weather conditions outside can cause severe temperature drops or spikes in the home, potentially putting you and your family in danger. When your heater or AC stops working call us immediately and we will be there to help as soon as possible. Day or night we are only a phone call away.

Heating and Cooling in Deerfield, IL

Our 100 years of experience has confirmed our belief in integrity, honesty, and hard work. We require our staff to go through additional training at our own Deljo Academy to ensure we all consistently provide the highest quality services at all times. We have set high standards of excellence we intend to meet at every visit with every customer. Call to schedule an appointment today and experience the Deljo Difference.

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.

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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