Merts Heating & Air Conditioning has provided expert residential HVAC services to customers in the Steger, Illinois and Northwestern Indiana areas since 1952. Our reputation is built on the foundations of respect, honesty, and integrity. We are a proven leader in the heating and cooling industry and recognized for our business practices by the Better Business Bureau. 

Our success is achieved by providing the best equipment at the best value, the most knowledgeable and professional sales staff, and highly-qualified, trained technicians to perform all of our residential HVAC services. Large or small, every job is given the same level of professionalism and attention to detail. 

Whether you need a new air conditioner, furnace, air handler, or boiler, Merts can handle it. Need 24-hour repair service or regular maintenance on your heating and cooling system? We can handle that, too!

Our goal is to provide excellence to every customer. We want your experience with Merts Heating & Air Conditioning top-notch, from the first contact with our customer service representative, the comfort consultant, to service or installation. You will have the best customer service around. Merts Heating & Air Conditioning pledges to deliver:

Call one of our Merts Customer Service Representatives  at (833) 52-MERTS today for every residential heating and air conditioning need. Merts works for you!