★ ★ ★ ★ ★
"I would recommend anybody that needs an air conditioning and furnace go to Hartman brothers very friendly, good service and will do you a good job. they have my business for now on!"
— Richard W.
(Google Review)
★ ★ ★ ★ ★
"Hartman Bros does a good job They installed my Lenox system and maintain it every year. They have always been responsive and professional. I will use them for my next system."
— Judy Gleason
(Google Review)
★ ★ ★ ★ ★
"Very happy with service. From my original phone call to the technician arriving, all were professional, helpful and friendly. Reasonable prices. I will definitely use again."
— Jackie Franze
(Google Review)
★ ★ ★ ★ ★
"Every thing went well, even though he had bad news that the unit needed to be replaced due to the fact that the unit was 18 years old and the refrigerant used in the day was R22 that it cant be purchased because of government regulations, now we will see what the estimate will be. The technician seems to be knowledgeable and was very professional about his work."
— Harold Breames
(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)
★ ★ ★ ★ ★
"Excellent service and very friendly service technician."
— Mike Hamrick
(Google Review)
★ ★ ★ ★ ★
"Hartman Brothers service technician Ked Snyder was excellent. He serviced my air conditioning unit finding a leak without too much trouble. I give him five stars!"
— Donald P.
(Google Review)
★ ★ ★ ★ ★
"We have yearly maintenance on our HVAC system and every single time they come out they are professional, knowledgeable, and friendly. We’ve never had any issues with our system because these guys keep it running perfectly."
— Tia G.
(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.
The average homeowner spends 20 to 30 percent more energy than necessary for cooling and heating bills due to leaky and inefficient ductwork. If you are constructing a new home or 