★ ★ ★ ★ ★
"Tech was polite, professional, knowledgeable and worked quickly to resolve the issue with my furnace. I inquired about the root cause of this recurring problem and he kindly explained what was occurring to prevent the furnace from igniting, and what he had done to resolve the current issue, which I appreciated very much! As always, I remain a happy Hartman Bros. customer!"
— Judith Vincenski
(Google Review)
★ ★ ★ ★ ★
"Woke to no heat this morning. Hartman came out and made a quick job of fixing it. Superb customer service!"
— Diane D.W
(Google Review)
★ ★ ★ ★ ★
"Technician (Jim) performed biannual maintenance. Very thorough. Answered questions, explained how to utilize controls to optimize performance. Can’t imagine a better experience."
— Joseph Muhler, II
(Google Review)
★ ★ ★ ★ ★
"Jim was very professional and nice. He helped explained everything to me with tips for the future. Much appreciated "
— Skott Y.
(Google Review)
★ ★ ★ ★ ★
"Great service. Was able to squeeze in appointment before Christmas for service, but found heat exchanger crack. Thankfully, are still able to do Christmas Eve and guests will be warm and comfortable . Thanks for your great service"
— John P.
(Google Review)
★ ★ ★ ★ ★
"Just signed up for a planned service agreement to keep my AC and Furnace tuned up. Great value and great service!"
— Stefan Hartman
(Facebook Review)
★ ★ ★ ★ ★
"Thank you so much for helping me out today! Called yesterday and I was the very first stop of the day. Super quick and easy!
"
— Christian S.
(Google Review)
★ ★ ★ ★ ★
"Hartman Brother Heating & Air is the BEST!!!! When I have an issue they immediately come to help! There employees are very friendly, kind and courtious of your home. They are well trained and have the knowledge to fix the problems in a timely manner! Way to go Hartman Brothers!!!"
— Julie C.
(Google Review)
Today's ductwork design principles correct thermal losses, pressure imbalances and other errors that waste energy. In the past, design and fabrication of ducts were done with the aim of minimizing costs. If you're looking to improve your home's efficiency and comfort, you should be aware of the principles of modern ductwork design below.
