★ ★ ★ ★ ★
"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)
★ ★ ★ ★ ★
"The service was great as always. The 2 men who came to install my new furnace were very professional and took the time to explain what they were doing and showed me what the problem was with my old furnace. Thanks Mr Hartman for coming up North and for having a great crew."
— Sandra Mott
(Google Review)
★ ★ ★ ★ ★
"Caleb did a good job and was very personable."
— Dorthy F.
(Google Review)
★ ★ ★ ★ ★
"As always the technician was courteous, professional and informative. I will continue using Hartman Bros."
— Tim B
(Google Review)
★ ★ ★ ★ ★
"Great technician Very knowledgeable Customer service from office to field experience was great. Thanks for your help and for being so responsive"
— B. Stoller
(Google Review)
★ ★ ★ ★ ★
"Rick Hartman of Hartman Brothers is a class act. He went above and beyond to make sure everything was as it should be... We would definitely recommend Hartman Brothers to everyone. Great customer service and an honest reputable business!"
— Sharon Nuerge
(Facebook Review)
★ ★ ★ ★ ★
"Great service ontime for my appt Gentleman was very friendly. He was very informative on what's going on with my unit. And I was happy with my experience with the company"
— Kendra Wetzel
(Google Review)
★ ★ ★ ★ ★
"Ked came on time for my semi-annual scheduled appointment, checked out the furnace and changed the filter. He spent a considerable amount of time trying to track and fix a problem with my smart hub, but stayed with it until we think it is fixed. This is the third HVAC system I have purchased from Hartman Brothers over the past 40 years and I have always been pleased with their service, product and personnel. That is why I still use them. Took them awhile to convince me the annual maintenance program is a good deal, but with all the electronics in the new systems, the system needs care and feeding from a professional! I am glad I finally listened!"
— Earnie W.
(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 