"union quality, small business values!"   -jim b

“Friendly installers with helpful suggestions and immediate response to my issues and concerns.”

- Dr. & Mrs. John R. H., Edelstein

“They provided exceptional service with scheduling, installation, clean-up, everything!!”

- Sandy & Mike J., Peoria

“They provided exceptional service throughout- courteous, professional and nice to have around. Very pleased!”

- Lindsey G., Dunlap

“There was a no pressure approach- the interview was real. I felt safe to leave. Didn’t regret it.”

-Karen W., Chillicothe

“Thanks for a job well done. It was such a pleasure to have such a courteous crew to replace my furnace. I was impressed by the way the job was done with no mess and an appreciation of the customer’s property. I will make sure to let my friends, family and coworkers know if they ever need heating or air conditioning to contact GP Systems.  Thanks again."

– Karen B.

“GP Systems made the process of getting a new furnace and air conditioning system very easy. I would recommend Bill, Tony and the team to anybody with an HVAC need. "

-Kirstin, Dunlap