★ ★ ★ ★ ★
"Hartman Brothers Heating & Air have once again outdone themselves. Their expertise in servicing my HVAC was remarkable. Their skill and professionalism were clear in their workmanship. They arrived punctually, armed with an extensive knowledge base that was clearly reflected in their approach. The outcome? All my units are operating like well-oiled machines. I highly recommend their services for anyone in need of superior quality work."
— Heather Shively
(Google Review)
★ ★ ★ ★ ★
"Called and they came out same day,…and it was day after Thanksgiving. Service man was very informative and thorough. Definitely recommend Hartman and we plan to use them for maintenance and future furnace or ac needs."
— Traci N.
(Google Review)
★ ★ ★ ★ ★
"Excellent same-day service!"
— Larry A.
(Google Review)
★ ★ ★ ★ ★
"Great service, as usual. Brad replaced a toilet for us. Done efficiently and expertly!"
— Gene F.
(Google Review)
★ ★ ★ ★ ★
"Hartman bros were excellent. Very professional and helpful. That is why I recommend them to everyone"
— Nancy L.
(Google Review)
★ ★ ★ ★ ★
"My service was outstanding. They arrived within a few hours. The technician was knowledgeable, kind and made me feel better as I was upset and freezing with no heat. They went above my expectations to find my part do it didn't have to be ordered. My Trane furnace is old. Definitely would recommend this company and I will continue to use them in the future for regular maintenance."
— Michelle L.
(Google Review)
★ ★ ★ ★ ★
"The Service Tech (Ked) did a great job. He went over all the details and would highly recommend. Thanks again Hartman Brothers."
— Justin S.
(Google Review)
★ ★ ★ ★ ★
"Very thorough with my furnace and very knowledgeable."
— Ruth P.
(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 