Today, a service tech named Gary came to my residence to repair my a/c. He was polite, did his job…
Keith came out and installed a new furnace. Very friendly, professional, polite. I am very happy with the service, and…
My furnace broke down in the middle of winter- I asked a few friends for referrals and Zenner & Ritter…
This is to RAVE about the service that your company provided in response to my recent request to diagnose the…
I am a single mom and I have to be able to trust the companies I use to do repairs…
Called for furnace repair on Sunday. They were willing to send someone out right away. Seemed like a well run…
I just had a heating / cooling system installed. Bob Fraser, my salesman was very professional and answered all my…
Have had nothing but good experiences with Z&R from the original purchase of the furnace/boiler to annual maintenance and repairs.…
There service was great. They [resolved] my problem quickly and at a fair price.