★ ★ ★ ★ ★
"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)
★ ★ ★ ★ ★
"I have them complete annual maintenance on my HVAC. Excellent service. Good value. Responsive when I need them. Professional staff."
— James Cadoret
(Google Review)
★ ★ ★ ★ ★
"Professional from start to finish. Arrived on time. Installation went smoothly. Faster than expected. Very helpful from the start. Answered all questions. Communication was excellent."
— Michael T.
(Google Review)
★ ★ ★ ★ ★
"I have always had excellent service from Hartman Bros. They go above and beyond! Thank you, Ked S."
— Tina Fourman
(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)
★ ★ ★ ★ ★
"Hartman Brothers always comes through for us. The furnace quit working and they squeezed us in the same day. They diagnosed and fixed it quickly. We won't use anyone else!"
— Debra Stellato
(Google Review)
★ ★ ★ ★ ★
"Prompt service and response time. Job was too tricky for me to handle myself and, as expected, my technician handled it like a pro."
— Matt N.
(Google Review)
★ ★ ★ ★ ★
"The technician was polite, respected my home by putting covers over his shoes, worked efficiently, was very knowledgeable and helpful."
— M.A. Ralston
(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 