Customer Testimonials

Gas Furnace Maintenance in Libertyville, IL 60048

“On time great service!” – Mary C.

Gas Furnace Installation in Mundelein, IL 60060

“Recently had Millers Area Heating in Grayslake replace my old Lennox Furnace /AC with a new Trane S9V2 Furnace and a XR16 AC unit. From the initial quote estimates which were very competitive from Kevin (Sales) to the complete install team of Will, Juan, Martin and Cade, there was great communications, professional and knowledgeable efforts by the entire team. The quality of their workmanship was fantastic and all was done in an efficient manner. They removed all of the old equipment and cleaned up. Everyone answered all of my numerous questions about the new equipment, as well. I am thoroughly satisfied with the exceptional efforts by Millers and would highly recommend them for your furnace and ac needs.”

– Ray B.

Gas Furnace Maintenance in Round Lake, IL 60073

“Satisfied with service and cost”

– Nancy W.

Gas Furnace Maintenance in Grayslake, IL 60030

“Josh was prompt, knowledgeable and prepared.”

– Judi R.

Gas Furnace Maintenance in Grayslake, IL 60030

“Excellent service, Fair and honest. Had an inspection and cleaning. Very happy with the results. They have a customer for life.”

– Josh B.

Gas Furnace Maintenance in Grayslake, IL 60030

“Our technician (Josh was his name I believe) was very friendly, explained what he was doing, and kept our house clean (putting on shoes covers and cleaning up any mess he made). We have used Miller’s Area Heating since we moved into our home in Jan 2020. I have always been impressed at the technical excellence and superb customer service. I highly recommend Miller’s to anybody who needs an HVAC company.”

– Hank D.

Gas Furnace Maintenance in Lake Villa, IL 60046

“I’m very happy with the service I receive from Miller.”

– Debra K.

Thermostat Replacement in Antioch, IL 60002

“The technician seemed to do an efficient job of replacing and configuring the new thermostat. He patiently helped us through connecting it with our home network, and cleaned up after himself. Our only dissatisfaction is with Trane: the new thermostat doesn’t have a new warranty and that the scheduling software is confusing and clumsy. We’re quite satisfied with Miller’s service.”

– John C.

Gas Furnace Maintenance in Wildwood, IL 60030

“Thank you to Cory. And a pleasant experience with your company.

– bee w.

Gas Furnace Maintenance in Lindenhurst, IL 60046

“Josh was great. Great service. Thanks.”

– Judy H.

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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.