Free Water Heater Inspection with a Furnace Tune-Up

Published by dev on October 12, 2026

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October 27, 2026

How Long Does a Heat Pump Last? A Chicago Homeowner’s Guide

Your heat pump has made it through another Chicago winter, but lately, something seems different. Maybe it's running longer than usual, your...

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Why Annual Furnace Maintenance Is Necessary for Chicago Winters?

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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...