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Air conditioning Installation

Schedule one of our in-home comfort evaluations to learn about all of the air conditioning replacement options, discounts and rebates.

A/C Repair & Maintenance

Effective air conditioning maintenance will also help prevent costly repairs or premature system replacement of your A/C unit.

Residential HVAC services

It doesn't matter whether your home needs a new air conditioner, furnace, air handler or boiler, Merts professionals can handle it.

Thermostats & Controllers

Manual, programmable or smart thermostat controllers? Merts experts will help you determine what's best for you and your home.

Radiant Heating & Boilers

A new home is an ideal fit for a radiant floor system, but your current home can also be retrofitted with a radiant floor heating system.

Indoor Air Quality improvement

Our Comfort Specialists can analyze your indoor air quality and determine the best option for immediately improving it.

Merts' EXPERTS WILL SOLVE THEM IN NO TIME.

Having Heating & Cooling Problems?

About us

Merts

Since 1952, Merts Heating & Air Conditioning has provided quality HVAC service to its residential and commercial customers in the Chicago area and nearby areas in Indiana. Our reputation as Chicagoland’s HVAC leader has been built on providing the best heating and cooling equipment and sales and service. But don’t take our word for it. Merts has been recognized by the Better Business Bureau for excellence, and our Select Contractor providers have been awarded with NATE and BPI certifications. We take pride in offering our customers the best products and services available and promise to earn your trust.

Professional & Fair

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

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

About Us

Working The Right Way

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

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

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Qualified & Fully Licensed

Qualified—by demonstrating our excellence in the HVAC field. We are also fully-licensed HVAC specialists.

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

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Year-round Satisfaction

We guarantee your new HVAC system will not let you down, no matter what the season. You can count on Merts!

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

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Illinois Location:

3102 Louis Sherman Dr
Steger, IL 60475

Indiana Location:

528 Sheridan Street
Crown Point, IN 46307