Customer Testimonials


Gas Furnace Maintenance in Round Lake, IL 60073

“Helpful and informative service technician. Good job” – Richard M.

Boiler Maintenance in Gages Lake, IL 60030

“Dan was amazing! Very helpful, explained things clearly, did an excellent job.”

– Amy O.

Ductless Mini-Split Repair in McHenry, IL 60050

“Thanks to Paul and ? for checking the units and making repairs. Nice to see Paul again and we hope all of the leaks have been repaired. The units are heating fine now”

– Steve & Bonnie L.

Whole House Humidifier Maintenance in Grayslake, IL 60030

“Thanks so much to Miller for being responsive to my questions about my humidifier. Your technician was so helpful in explaining what was happening.”

– Carolyn G.

Gas Furnace Maintenance in Grayslake, IL 60030

“Technician Ben was very thorough and skillful.”

– Allan W.

Air Conditioner Maintenance in Grayslake, IL 60030-1112

“We have been customers of Miller's for many years and would have no hesitation in recommending their company to anybody. Their technicians have always been professional, courteous and knowledgeable.”

– Mary C.

Gas Furnace Maintenance in Grayslake, IL 60030

“Your guy came out very late after he had spent a very long day assisting someone else with emergency repairs. Even after starting on our furnaces that late in the afternoon, he did a great job with our "annual maintenance." Thanks!”

– Michael C.

Gas Furnace Maintenance in Grayslake, IL 60030

“Miller Heating did a nice job servicing our furnace and suggested the installation of a power surge protector. I'm very satisified with their service.”

– Mary S.

Gas Furnace Maintenance in Lindenhurst, IL 60046

“Fantastic service. Very informative”

– Stephen P.

Gas Furnace Maintenance in Hainesville, IL 60073

“Prompt, courteous, very helpful and informative.”

– Carol B.

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.