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Customer Testimonials


Gas Furnace Maintenance in Mundelein, IL 60060

“Dan was awesome. Great job, all seems to be working fine. Thanks!” – Joyce L.

Air Conditioner Maintenance in Round Lake Beach, IL 60073

“Technician was very friendly, followed Covid-19 guidelines and performed a thorough job.”

– Dominic D.

Gas Furnace Maintenance in Grayslake, IL 60073

“Service person was very informative an made me comfortable when he left!”

– Robert S.

Air Conditioner Maintenance in Grayslake, IL 60030

“As usual, your service man was on-time, courteous, knowledgeable. We appreciate your assistance.”

– Michael C.

Air Conditioner Maintenance in Lake Forest, IL 60045

“Great service from a great company!”

– Gus B.

Whole House Generator Maintenance in Lake Villa, IL 60046

“Brian arrived on time, was friendly and professional. Did all required maintenance at a fair price.”

– Donald H.

Air Conditioner Repair in Grayslake, IL 60030

“Prompt service, very professional. I've had emergency service twice in 90 degrees and both times they were able to come out within a matter of hours and fix the problem quickly. Would definitely use and recommend.”

– Barbara D.

Smart Thermostat Installation in McHenry, IL 60051

“Our old thermostat was having issues and thought we'd have to replace which we did. Our technician was able to fine an Ecobee smart thermostat which has made the house cooler in one area with sensors. Miller's has always done great by us and highly recommend them!”

– George M.

Air Conditioner Maintenance in Ingleside, IL 60041

“Technician did a great job, was very courteous and very informative when answering questions we had for him.”

– Marilyn S.

Zone Control System Replacement in Grayslake, IL 60030

“Excellent service; have confidence in repair calls that response will be immediate and effective. However, am having problems with Wells Fargo; wish Miller would use another company.”

– Corinne P.

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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.