Welcome to Siemer Heating & Cooling

about-family

Installing trust in the communities we serve by providing the very best service and installation experience.

For over thirty years, Siemer Heating & Cooling has continued to meet the highest standards in customer dedication. We are a Carrier Factory Authorized Dealer, consistently and continually living up to strict qualifications in all aspects of service. As a Carrier President’s Award winner, we have been recognized for leadership in business, technical expertise, and going above and beyond to exemplify customer care. Our team is entirely NATE certified, having verified extensive industry knowledge through national core and specialty exams. We hire only the most qualified people, and all of our technicians are background checked, drug screened, fully licensed, and insured.

Welcome to Siemer Heating & Cooling

about-family

Installing trust in the communities we serve by providing the very best service and installation experience.

For over thirty years, Siemer Heating & Cooling has continued to meet the highest standards in customer dedication. We are a Carrier Factory Authorized Dealer, consistently and continually living up to strict qualifications in all aspects of service. As a Carrier President’s Award winner, we have been recognized for leadership in business, technical expertise, and going above and beyond to exemplify customer care. Our team is entirely NATE-certified, having verified extensive industry knowledge through national core and specialty exams. We hire only the most qualified people, and all of our technicians are background checked, drug screened, fully licensed, and insured.

What Our Customers Have to Say

What Our Customers
Have to Say

“We are pleased that our air conditioner is working again. Don was diligent in resolving the problem. All of your service people were profession, polite, and considerate. Thank you, Siemer!”
- Joel L.

“From the placement of the call for an estimate on a new complete AC system (5/15/23) to its installation (5/22/23), Siemer employees were knowledgeable, professional, patient, and attentive. I was treated with respect; I wasn’t talked down to. All my questions were answered thoroughly. The installation crew were detailed in their mannerisms and in their work. Top notch in my book–10 out 10! I wlll definitely recommend Siemer. Thank you!”

- Michelle B.

“Brendan knew how to service our AC system. This is the first time a tech went to our main control thermostat and obtain the internal record and initiated the preset AC maintenance mode. Although I cleaned inside the compressor enclosure, when I told him that there was lots of insulation, he inspected the jacket and noticed a mouse had started to strip the wire insulation on the power feed. He taped it back up. Very satisfied with his service.”

- Karl K.

Carrier Factory Authorized

Siemer Heating & Cooling is a Carrier Factory Authorized Dealer, and we employ highly-trained and exceptionally-skilled NATE-Certified technicians. We’re licensed, bonded and insured for your protection, and we bring more than 30 years of HVAC industry experience to the table.

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Our Blogs

Video - The Importance of Air Conditioner Maintenance. Air conditioner unit.

Video – The Importance of Air Conditioner Maintenance

The best time of year to have your AC serviced is spring, even if you reside in a locale with pretty warm weather all year long.

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Image of a technician working on an AC unit. Why Do I Need AC Maintenance Now?

Why Do I Need AC Maintenance Now?

At Siemer Heating & Cooling, we recommend getting your air conditioning unit serviced and cleaned at least once a year. The optimum time is in the spring to ensure your system will run with the most efficiency during the hottest summer months.

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We Service All Brands

Trane. Carrier. Bryant Heating & Cooling Systems. Ruud. Daikin. Lennox. American Standard Heating & Air Conditioning. Payne. York. Mitsubishi. Comfortmaker. Amana Heating & Air Conditioning. Goodman Air Conditioning & Heating. frigidaire. Rheem. honeywell.

Special Financing Available*

* With approved credit

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Places We Serve

Highland, IN • Schererville, IN • Munster, IN • Hammond, IN • Dyer, IN • St. John, IN • Lowell, IN • Crown Point, IN • Griffith, IN • East Chicago, IN • Whiting, IN • Gary, IN • Portage, IN • Valparaiso, IN • Cedar Lake, IN • Chicago Heights, IL • Lynwood, IL • Crete, IL • Lansing, IL • South Holland, IL • Homewood, IL • Calumet City, IL • Flossmoor, IL • Beecher, IL • Steger, IL • Thorton, IL • Hegwish, IL