Testimonials | Lancaster, PA | Ressler & Mateer
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"I just wanted to 'thank you', not only for the wonderful job you did on my hot water heater, but for taking the time to go above and beyond to explain about the spray foam insulation (which I did) and the alarm. (Battery bought and in the next day)."

Thank You again!

"I wanted to take a few minutes to let someone know about your service techs that I had over this past weekend. They were extremely nice and professional people and very helpful even though they both had very long days in the heat. It is nice to work with companies that care about who they put out there to represent them. I just wanted to share my experience during very difficult times in 100 degree heat with no AC."

Thank You,

"My wife and I wanted to express our thanks to you and the men who installed our Heil HP. We appreciated the time you took to help us make the right choice, explaining in response to any questions we had. We commend you for your integrity and expert knowledge and salesmanship. We will look forward to working with you all in the future for service."

In much appreciation,

"We thank you for working with us through this trying and unexpected event. Our home is slowly being restored and many blessings have shone through in light of the situation. Your patience and priceless kindness graced a tense day. Thank you again for excellent customer service and extending 'time' to us, AND restoring some 'normalcy'."

Andy and Maureen

"My heartfelt thanks to you all for a job well done and God bless you for your excellent service to our community. I will recommend your services to others in future days."


"Thank you for sending Kel Zook to work on our ground source heating system. He diagnosed the problem immediately and with his talents and expertize had things going great. Also took the time to check several other things which I greatly appreciated. Surely, Kel and his good efforts are appreciated. It is fellows like him who give your business a good name. Please thank him again."

Tom and Elaine

"Your services were excellent and workmanship was the best ever. Thank You!"


When you're ready for an upgrade, call Ressler & Mateer!

We provide installation for new heating and cooling systems and retrofit options to keep you comfortable year-round.

Better Business Bureau
North American Technician Excellence
Carrier Authorized Dealer