★ ★ ★ ★ ★
"Showed up at my door 4 hours after I called about my furnace not working. Very fast response! The tech was very friendly."
— E. Rider
(Google Review)
★ ★ ★ ★ ★
"Had our a/c quit functioning over the weekend. Called first thing Monday and they were able to get someone out in the morning and had us back up and running before we knew it!! Great service experience from initial phone call to completion of the job couldnt be happier!!"
— Bud Brewer
(Google Review)
★ ★ ★ ★ ★
"Luckily I have only had to use them twice in the last 15 years or so but their service techs are always super friendly, the people that answer the phone are always friendly, great culture."
— James K.
(Google Review)
★ ★ ★ ★ ★
"Great Heating and Air Company to work with who are always professional, courteous, fairly priced and even help in a timely manner when things break at the most inconvenient time."
— Melissa Philebaum
(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)
★ ★ ★ ★ ★
"Great Job as always professional, and great customer service"
— Kathy K.
(Google Review)
★ ★ ★ ★ ★
"Hartman Brothers did a great job once again. They are always prompt, courteous and respectful. Any questions are answered and explanations are easy to understand. Thank you once again!"
— Deb W.
(Google Review)
★ ★ ★ ★ ★
"They call ahead - arrived not only on time but a bit early! The technician was polite and professional."
— Joan 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 