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Terry Quillan

Terry Quillan

Terry Quillan

Installation Technician

6 Reviews

Gas Furnace Installation in Westphalia, MI 48871

“They came and went and the only way I knew they were there is that I have a new furnace and AC. That is very cool.”

– Greg C.

Gas Furnace Installation in Dewitt, MI 48820

“Our experience with ESI couldn’t have been more professional, efficient, and positive! Our new furnace and air conditioner were installed without any disruption. We hardly knew they were here! We thank the whole ESI team for their attention to detail, thoroughness, and ease of working together with us. It was a pleasure doing business with them!”

– Wohlfert W.

Gas Furnace Installation in Portland, MI 48875

“The crew was very professional. Good experience with ESI”

– Chris Q.

Water Heater Replacement in Portland, MI 48875

“Very impressed with the install of my new water heater. I called in the morning & they were out to install in the afternoon. They were very professional & had everything working in a couple of hours. I always have great service with ESI”

– John B.

Water Heater Replacement in Portland, MI 48875

“Justin and Terry were very professional and answered all our questions about new tank after installation. Would recommend to anyone.”

– Chris Q.

Air Conditioner Installation in Portland, MI 48875

“Nick was awesome at getting our installation scheduled very quickly thank you 😊 also Justin and terry did a great job installing the central air thank you ESI! Highly recommend them!!!”

– Nicole S.

Need HVAC Service?

Contact the experts at ESI Heating.

Call us at 517-647-6906!


ESI Heating proudly provides HVAC service to Portland, Dewitt, Grand Ledge, the Greater Lansing area and the surrounding communities. Visit our service area page for more coverage details, call us at 517-647-6906, or request service online today.

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