Client Testimonials

"We appreciate the response to our call, as the temperature was to get down below freezing tonight. Jim came out to our house this evening to replace the main limit on our furnace. He was very polite, professional and answered all of the questions we had about the repair and proper maintenance of our heating system. Thank you for providing such excellent service."

-- Joe and Christine M.

The person who came in to clean the furnace was very knowledgeable, and gave me several helpful hints for future care.

-- Steve W.

Great friendly service!

-- Mary C.

Oelerich has been servicing our A/C and furnace for the past 10 years. They are extremely thorough, dependable, and trustworthy. In the rare cases we needed a service call they came out promptly. Everything is always explained and questions answered and addressed. Very professional, honest & knowledgeable. Highly recommend!

-- George F.

Have an HVAC problem? Contact us today by calling 847-566-7900 today!

(847) 566 - 7900

Oelerich HVAC
309 N. Lake Street
Mundelein, IL 60060