Customer Testimonials


Whole House Humidifier Repair in Mundelein, IL 60010

“Awesome service, on time, called ahead to confirm, polite, knowledgeable… nice and I highly recommend them.” – Donna B.

Gas Furnace Maintenance in Grayslake, IL 60030

“Friendly professional technician. Explained new thermostat”

– Watana P.

Gas Furnace Maintenance in Grayslake, IL 60030

“great service and information and friendly technicians”

– warren b.

Gas Furnace Maintenance in Grayslake, IL 60030

“👍🏼”

– Wendy P.

Gas Furnace Maintenance in Round Lake Beach, IL 60073

“Josh tech very friendly to deal with. Very helpful when I had questions to ask.”

– Pat P.

Gas Furnace Maintenance in Grayslake, IL 60030

“During the maintenance check up, I mentioned that my furnace sounded like a tornado whistle. Josh worked on it and quickly informed me it needed a new diffuser. That done, the furnace decided not to work at all and it needed a gas valve. Now I began to wonder if Josh was a jinx or what. But after explaining things to me, I was glad he discovered problems that could be fixed now preventing a furnace shutdown in the middle of the night on the coldest night of the year because that is how it would have happened for me. Miller has always been a company I feel I can rely on and a company who is honest. Hard to ask for more than that but they are also very nice and friendly!”

– Kathleen H.

Gas Furnace Maintenance in Grayslake, IL 60030

“Annual furnace maintenance performed quickly and professionally. I have always received great HVAC service from the Miller team”

– Thomas C.

Gas Furnace Maintenance in Grayslake, IL 60030

“Arrived on time.”

– Lee W.

Maintenance in Wadsworth, IL 60083

“no problems”

– Frank k.

Gas Furnace Maintenance in Round Lake, IL 60073

“Excellent service performed on my furnace. Professional and reliable technician and my go to company for many years…always leaving you with peace of mind.
Thank you!”

– Kathleen R.

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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.