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Air conditioning Installation

Our in-home comfort evaluations provide all the information you need on air conditioning replacement options, rebates, discounts, and more! Schedule an appointment today!

AC Repair & Maintenance

Regular AC maintenance may save money on costly repairs or having to prematurely replace your AC unit.

Residential HVAC services

Merts can handle any residential HVAC need: New AC, furnace, air handler, or boiler.

Thermostats & Controllers

Today’s technology can save you money on utility costs. Call Merts today for information on manual, programmable & smart thermostat controllers.

Radiant Heating & Boilers

Radiant heating is not just for new construction. Your current home can be retrofitted with a radiant floor heating system. Need a new boiler? Merts can do that, too! Call today.

Indoor Air Quality improvement

The pros at Merts can assess your home’s indoor air quality & offer viable solutions to have you breathing healthier air in no time.

Merts' EXPERTS WILL SOLVE THEM IN NO TIME.

Having Heating & Cooling Problems?

About Us

Merts

Merts Heating & Air Conditioning has provided quality HVAC service to its residential and commercial customers in the Steger, Illinois area and nearby Northwestern Indiana, near Crown Point. Our reputation as the area’s HVAC leader is built on providing the best heating and cooling equipment sales and service. The Better Business Bureau recognizes it, and our customers know it, too! Merts has been recognized by the BBB for excellence, which shows in our Select Contractor providers who have been awarded NATE and BPI certifications. We take pride in offering our customers high quality products and services and by earning your trust in all we do. 

Professional & Fair

At Merts, we guarantee our staff and technicians will act professionally and strive to treat every customer with fairness and respect.

Our staff and technicians will always act professionally and we will strive to treat all customers fairly.

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Working The Right Way

We commit to completing every job with the efficiency of the system in mind. That means no shortcuts or taking the easy way out.

Meaning we will not take shortcuts or the easiest option when it comes to installing or servicing your HVAC system.

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Year-round Satisfaction

Merts guarantees, whether extreme heat or cold or somewhere in between, we’ve got your HVAC covered.

We guarantee your new HVAC system will not let you down, no matter what the season.

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Qualified & Fully Licensed

You can have confidence that our staff are fully qualified, and we are fully-licensed HVAC experts.

By demonstrating our excellence in the HVAC field. We are also fully-licensed HVAC specialists.

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Illinois Location:

3102 Louis Sherman Dr
Steger, IL 60475

Indiana Location:

528 Sheridan Street
Crown Point, IN 46307