Customer Testimonials


Gas Furnace Repair in Ingleside, IL 60041

“Shane was very through with his troubleshooting and explanation.” – Nancy W.

Gas Furnace Repair in Grayslake, IL 60030

“Your technician took the time to find the problem – the humidifier solenoid, not the blower as we thought – and then made a trip back to your office for the part, and then returned and did an excellent job of installing it. Now, with 0 degrees outside, we’re warm and comfortable inside. Thanks!”

– Mike C.

Gas Furnace Maintenance in Libertyville, IL 60048

“Technician was friendly and efficient. Price was good. Would contact Miller’s for any future heating and A/C needs.”

– Angela G.

Gas Furnace Maintenance in Grayslake, IL 60030

“prompt and efficient”

– june s.

Boiler Repair in Grayslake, IL 60030

“Millers is the best! They installed my new boiler in August and really couldnt test it since it was summer. Needed it adjusted today and they came right out and adjusted it. Thanks Millers team”

– Ron W.

Gas Furnace Repair in Round Lake, IL 60073-5924

“Excellent service, very professional and courteous.”

– Francisco A.

Gas Furnace Maintenance in Grayslake, IL 60030

“Josh was very polite and informative.”

– Alice W.

Water Heater Replacement in Vernon Hills, IL 60061

“We have been customers since 1987. Great service and response time. Maria and Joe were very professional and helpful. Thanks”

– Margo W.

Gas Furnace Maintenance in Grayslake, IL 60030-2620

“Fall Maintenance technician was thorough & informative as we expect from Miller’s”

– Mike D.

Gas Furnace Maintenance in Lake Villa, IL 60046

“This morning Shane arrived on time and diagnosed the issue with our furnace which turned out to be a failed ignitor. Shane had the replacement part in his van. The service took less than an hour and we couldn’t be happier. Our home is nice and warm again in time for New Years Eve. Thanks again Miller Area heating for your prompt service! Best regards and Happy New Year! Mike & Cheryl”

– Michael F.

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Need HVAC Service?

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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.