Maintenance & Installations

With proper maintenance performed by a professional HVAC technician, your HVAC system can last years, operating at peak efficiency and maximum comfort. McCormack Heating & Cooling, Inc. service technicians are N.A.T.E. and Environmental Protection Agency (E.P.A.) certified and skilled in the most advanced diagnostic and repair procedures. They are also very friendly and will leave your house neat and clean.

Let McCormack Heating & Cooling, Inc. help you out, when you decide to replace and upgrade your air conditioning and heating system. We always offer free in-home consultations with an expert HVAC consultant where we will work with you to decide the best equipment option for your home while minimizing your energy costs, and saving you money.

Contact McCormack Heating & Cooling, Inc.

Receive a free in-home consultation that will help you learn how to save money on your energy bills.

Contact McCormack Heating & Cooling, Inc. for an in-home consultation

Celebrating Over 30 Years in Business

Customer Testimonials

Excellent to work with, very neat ,tidy, a wonderful job on the installation. Very hard working + honest men. / Don & Shirley See – Overland Park, KS 

Great job. Pleasure to do business with. Thanks Jon & Scott.  Wife felt very comfortable with the techs working in the house. / Steve Phillips – Olathe, KS

Wonderful, Courteous, Fast + Clean…  What more can you ask for? / Richard Smith – Lenexa, KS

On time and very professional in all aspects of installation.  I have been a customer for over 17 years. / Ms. Christi Clevenger – Shawnee, KS

Find Us On

Click for the BBB Business Review of this Heating & Air Conditioning in Olathe KS

Providing Heating & Air Conditioning Services to All of Johnson County & These Communities:

Overland Park, Olathe, Lenexa, Shawnee, Merriam, Roeland Park, Mission, Leawood, Stanley, Westwood, Fairway, Gardner, Stilwell, Mission Hills, Mission Woods, Prairie Village, and DeSoto