Customer Testimonials


Gas Furnace Repair in Grayslake, IL 60030

“Great job as always!” – Jeannine Z.

Air Conditioner Maintenance in Grayslake, IL 60030

“Cory was great. Polite and efficient in checking out our furnace, humidifier, and A/C units.
We’ve been using Miller’s Heating for over 25 years. Now we are ready for the up coming warm weather (and any unseasonably cold weather).”

– Ed B.

Air Conditioner Maintenance in Wildwood, IL 60030

“Thank You for your service on my AC Unit.”

– RAY P.

Air Conditioner Maintenance in Round Lake, IL 60073

“Miller’s has been our go to A/C heating company for over 5 years now and will never have anyone else service my house system! They are top notch in problem solving, servicing and staff whenever I call with a question. On time service calls and experienced technicians every time! I would never trust anyone else.”

– Sheila W.

Air Conditioner Maintenance in Ingleside, IL 60041

“The furnace and AC ran fine last year. I told your service person, John, that the furnace worked great even on the coldest days last winter.
John did a great job with the maintenance check today. He was on time, polite, and knew what he was doing. I appreciate his professionalism and friendly manner. The maintenance on both units didn’t take long at all. Thanks to him and to Millers for great service!”

– Christine T.

Air Conditioner Maintenance in Round Lake, IL 60073

“Cory was very professional and did a great job answering our questions in regards to our ac unit. We were very happy with your prompt service!”

– Maggie D.

Air Conditioner Maintenance in Grayslake, IL 60030

“Shane was pleasant, efficient and knowledgeable.”

– Lynne R.

Gas Furnace Maintenance in Gurnee, IL 60031

“Shane was great. Arrived on-time, cleaned and tested furnace. Was able to pay quickly and easily. Signed up for the comfort club and will be bringing Miller’s back out for the AC unit.”

– Noel R.

Air Conditioner Installation in Mundelein, IL 60060

“The service call was a followup to an install last winter of a furnace and AC. At that time they said they would fully charge the AC when it was warmer. Haven’t had any problems with install and followup visit. Service personal explained everything and and asked if we had any questions. Very happy with install and followup!!!”

– George P.

Air Conditioner Maintenance in Grayslake, IL 60030

“Shane is a pleasure to have in our home. Explained the work, in detail, and is very friendly!”

– Richard B.

Need HVAC Service?

Contact the experts at Miller's Area Heating.

Call us at 847-223-0211!


Miller's Area Heating proudly provides HVAC service to Grayslake, Libertyville, Round Lake, Wildwood, Ingleside, and the surrounding Illinois communities. Visit our service area page for more coverage details, call us at 847-223-0211, or request service online today.