★ ★ ★ ★ ★
"Josh was very professional and arrived on time. He answered all my questions and did a thorough job of servicing my furnace."
— Joan Busick
(Google Review)
★ ★ ★ ★ ★
"Had to call to have our furnace checked out since it stopped working. Called Hartman Brothers at 8:00 a.m. on a Friday and they had someone come to the house that same day. The service Tech was outstanding and delivered great customer service. He explained what he did and had s fixed in less than an hour! Highly recommend Hartman Brothers!"
— Rhonda R.
(Google Review)
★ ★ ★ ★ ★
"The friendly service, knowledge and attention to detail is what will keep myself and business calling for all of our HVAC needs."
— Nick 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)
★ ★ ★ ★ ★
"Great pleasant staff from the initial phone call to the service tech! Friendly, knowledgeable, and conscientious."
— Kimberly B.
(Google Review)
★ ★ ★ ★ ★
"Have used this company for many years, always excellent service."
— Charlene F.
(Google Review)
★ ★ ★ ★ ★
"Great work and very reasonable prices! Technicians were very careful and efficient in their work."
— John Edmonds
(Facebook Review)
★ ★ ★ ★ ★
"Thank you for fixing my furnace tonight!! It's cold and will be colder tomorrow night... I knew I made the right decision having you install my furnace and air conditioning. You are awesome!! I love my generator that you installed as well!"
— Cheryl Kensill
(Facebook 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 