Customer Testimonials

Air Conditioner Maintenance in Grayslake, IL 60030

“Outstanding service from Joe!” – Richard M.

Air Conditioner Repair in Round Lake, IL 60073

“Office and Technician were very helpful. My issue was resolved promptly. Proud to be a Miller’s customer!”

– Sylvia J.

Air Conditioner Repair in Libertyville, IL 60048

“Same day service and a Great job! Fixed our air conditioner and was very informative.”

– Doug A.

Gas Furnace Repair in Grayslake, IL 60030

“Maria was great at taking the details of my issue, up front about cost, and clear on times for expected arrival. Technician (Josh) was on time, professional, very knowledgeable and happy to explain repairs and cost. I wish their bill was itemized so I can review or ask questions. Overall great service. Would highly recommend!”

– Erin W.

Air Conditioner Repair in Barrington, IL 60602

“I have been using Millers since 2001 and have had them install full HVAC systems in 4 properties. The work has always been excellent, done when promised and with neat, professional staff members. I continue to use Millers for all of my maintenance issues and have never had a problem with anything they have done.”

– Eric D.

Air Conditioner Repair in Antioch, IL 60002

“Started my new Trane Air Conditioner and it didn’t work, it was installed the past March so it was never turned on before. I called your company and you had some out within a few hours.  Much appreciated, there was a broken wire and needed more gas.”


Air Conditioner Maintenance in Fox Lake, IL 60020


– Penelope S.

Air Conditioner Maintenance in Grayslake, IL 60030

“Very good experience with service provided and technician. He also replaced my thermostat.”

– Floyd John T.

Air Conditioner Maintenance in Grayslake, IL 60030

“Great service as always and Josh did a very thorough job. Very courteous and friendly.”

– Michael S.

Air Conditioner Installation in Grayslake, IL 60030

“Shane was awesome and very professional. Air conditioning start up went very smooth. We now will have air conditioning for the unseasonably warm May days predicted for the remainder of the week. And the dog loved him, too.”

– Ann V.

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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.