Customer Testimonials


Air Conditioner Maintenance in Grayslake, IL 60030

“Tech did a good job and answered all our questions.” – Rich A.

Air Conditioner Installation in Round Lake Beach, IL 60073

“I was originally told that installation would happen on Friday @ 10:00 a.m. CST; however, due to one guy calling in sick and another tech working another job, I didn't get assistance until Noon'ish. Paul (I think that was his name) was amazing – he did everything by himself and got the job done. He was pleasant and I made sure he had bottled water since it was so hot outside! He wore his booties, too. Thank you!!”

– Mike S.

Air Conditioner Repair in Grayslake, IL 60030

“Excellent customer service, diagnosed and fixed problem by replacing the capacitor, took off top of A/C unit per my request and assisted me in cleaning out a mouse den that was built inside the A/C unit. Thanks for the great work and service. Sincerely, Lowell B. Raven, CPA”

– Lowell R.

Air Conditioner Repair in Grayslake, IL 60030

“Brian did a great job recharging our AC unit. He was efficient, informative and courteous.”

– Don H.

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 He told me the unit was outdated and was going to try to do the best he could to keep the unit going.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.

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.