HVAC Maintenance FAQs


The facets of your HVAC system require maintenance in order to ensure that they are working properly. Plus, staying on top of proper maintenance can help you save both time and money in the long run! Deljo Heating and Cooling is one of the best heating and cooling companies in Chicago and we offer no-hassle financing as well as a Gold Star Program to help overlook your system. Here are some common FAQs regarding HVAC maintenance.

When is the Best Time of Year for Maintenance?

There’s not a bad time of year to receive HVAC system maintenance, however, we are busy in between seasons in order to make sure that either the air conditioning or heating aspect of the unit is working. The last thing you want is to endure a summer without air conditioning or a winter without heat!

Why Invest in the Gold Star Maintenance Program?

When it comes to your HVAC system, peace of mind is priceless. The mindset of ignoring your HVAC until it breaks does not serve your sanity or your bank account well. Signing up for our Gold Star Maintenance Program automatically provides you with priority service over non-agreement customers and you won’t be charged for service calls on Saturdays or during normal business hours. Plus, we provide system maintenance for as low as $20 per month!

What Are Signs my Humidifier Isn’t Working Properly?

Achieving the proper level of humidity in your home is important for health and comfort year-round. Your humidifier isn’t something you likely think about on a daily basis, which is why you can count on one of the best heating and cooling companies in Chicago to take care of it for you! We will inspect your system for mildew and mineral deposits, inspect your condensate system, check your humidifier for proper operation and more!

Does Maintenance Guarantee That My Systems Will Work Properly?

We cannot ensure that your HVAC system will be completely problem-free but staying on top of regular maintenance is important in catching problems before they arise and worsen. If you notice that your system is not working, call us and our technicians will be happy to help fix any issues as soon as possible!

Before the weather turns colder, contact Deljo Heating & Cooling to make sure that your heating system will work properly this fall and winter.

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

773-829-4295
2700 N. Campbell Ave, Chicago, IL 60647