HVAC Service in Chicago

If your house seems warm enough in winter and cool in the summer, you might well ask why your HVAC system needs any service. Actually, there are several reasons, and Deljo Heating & Cooling offers the very best HVAC service in Chicago.

Here are just a couple of reasons why you should have your HVAC system inspected and cleaned on a regular basis.

Energy Savings

According to the U.S. Department of Energy, 25 to 40 percent of the energy used for heating or cooling is wasted. Contaminants in the heating and cooling system cause it to work harder and shorten the life of your system. When your HVAC system is clean, it doesn’t have to work as hard to maintain the desired temperature and less energy is used.

Indoor Air Quality

Airborne contaminants, such as dust, dander, bacteria, mildew, decaying organic matter, viruses, residue from chemicals, pollen, and much more, get pulled into your ductwork every time your system is on. If you and your family are having issues with allergies, asthma, respiratory illnesses, or even frequent cold symptoms, it could be time for air duct cleaning.

So, even if haven’t noticed any heating or cooling issues in your home or office, you should call Deljo Heating & Cooling and let our expert technicians inspect, clean and, if necessary, repair your HVAC system.

HVAC Inspection

An air duct inspection determines if there is a need for cleaning and the level of cleaning that’s required. We also perform an air duct leakage test, a first step for proper air duct cleaning. We report our findings back to you before we go forward with the cleaning. This test is important to prevent the same issues from happening again once your air ducts are properly cleaned.


After their inspection, our technicians will give your HVAC system a thorough cleaning, and all dirt, grime and contaminants are collected in our equipment for environmentally safe disposal.


No matter how clean your air ducts, if not properly installed they won’t stay clean for long. Our technicians can correct installation problems, making sure your system remains clean and is running efficiently for years to come.

At Deljo Heating & Cooling our expert technicians are available 24/7, and we offer finance options, if needed.

We urge you to email or call us at 773-829-4295 for the very best HVAC service in Chicago.