Customer Testimonials


Air Conditioner Maintenance in Lindenhurst, IL 60046

“We had pre-scheduled our yearly maintenance and the workers were on time courteous and professional. This is the 5th year since we had upgraded and we are very pleased with out furnace and air conditioner and the yearly maintenance since then, see you next year.

John Delise” – John D.

Gas Furnace Installation in Round Lake Park, IL 60073

“Replaced old furnace installed central air. Arrived on time very professional friendly informative cleaned up very well. I have nothing but praise for Millers heating and Holly thank you for great service. Its hard to find great service these days.”

– Theodore R.

Air Conditioner Repair in Antioch, IL 60002

“I called because my air conditioner would not shut off outside ; Brian diagnosed the situation thoroughly explained step by step what was going on. He told me the unit was outdated and was going to try to do the best he could to keep the unit going. Also I called concerned and Millers was able to fit me in 3 hours later even on a busy schedule they were under. Millers is my go to heating/air conditioning service for life.”

– Frank E.

Air Conditioner Maintenance in Gurnee, IL 60031

“Technician was very professional. Again, I had problems with appointment time. Apparently it was told to me and the time given. However it was never placed in the appointment book. This is getting to be a problem and I have to follow up with appointments”

– Michael M.

Air Conditioner Repair in Lindenhurst, IL 60046

“I needed emergency service when a rodent got into my AC unit outside and I had to shut down the system. I called Miller's and a repair tech was here within the hour to take care of the removal and to the check system. I was back up and running in less than 90 minutes!
I have been a long time customer of Miller's with a maintenance agreement every year. Great Service and outstanding company to work with. Miller's is a real asset to our community!”

– Jill O.

Air Conditioner Maintenance in Mundelein, IL 60060

“Shane was thorough and meticulous during his maintenance of my AC unit. I appreciate his professionalism and knowledge.”

– Helen D.

Air Conditioner Maintenance in Round Lake, IL 60073

“Maintenance employees as well as the office staff are always courteous, thorough and respectful. Top notch customer service EVERY time. Thank you!”

– Kelly L.

Gas Furnace Repair in Grayslake, IL 60030

“Very helpful and dependable staff.”

– Chandrasekaran R.

Air Conditioner Maintenance in Round Lake Beach, IL 60073

“Have been a customer for many years now and so very happy with the excellent work your technicians do. Servicing the furnace and a.c. on a yearly basis has prevented some costly repairs. Working with your company has been a really positive experience, from setting up the appointments with your amazing office staff to the on-time arrivals of your techs, to the work they perform. Huge thanks to all of you!”

– Julie C.

Air Conditioner Maintenance in Round Lake, IL 60073

“Thank you so much! You guys are the best and wouldn’t use any one else. Very knowledgeable staff and great service. I always feel safe and secure when the technicians are here, this means a lot. Keep up what your doing, good help is hard to find!🌷”

– Kathy R.

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.