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Published by dev on October 12, 2026

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August 3, 2026

How Much Does It Cost to Run AC?

When summer heat settles into Chicago, your air conditioner can quickly become one of the hardest-working systems in your home. It can also become one of the biggest reasons your electric bill goes up. If you are wondering how much it costs to run an air conditioner, the answer depends on your system type, electricity rate, home size, thermostat setting, and how often your AC runs. As Chicago’s trusted air conditioning experts since 1922, Deljo Heating, Cooling & Plumbing helps...

July 31, 2026

How to Replace an Air Filter in an AC or Furnace

Changing your HVAC air filter is one of the easiest ways to protect your heating and cooling system. A clean filter helps...

May 7, 2026

The Importance of Whole-Home Drain Cleaning

Many homeowners follow an "out of sight, out of mind" philosophy when it comes to their plumbing. If the water vanishes down...