★ ★ ★ ★ ★
"They worked me in early. Inspected and found the problem quickly. Explain the issues thoroughly and did not attempt to see me parts and services I did not need. They got the heat going temporarily and hope to have needed parts in a couple days."
— Todd Hammond
(Google Review)
★ ★ ★ ★ ★
"I've used Hartman Brothers for all my HVAC needs across multiple properties and they are always responsive and timely. Dalton was my technician and demonstrated a high degree of both professionalism and helpfulness. Vicky is their jack-of-all trades office and scheduling manager. She always does a phenomenal job and makes you feel valued as a customer in every interaction. You can't go wrong with this company. Strongly recommended!"
— Spencer Lulling
(Google Review)
★ ★ ★ ★ ★
"Great customer service from Angie to the gentlemen that came and installed my new furnace. Would definitely recommend!"
— Stacy S.
(Google Review)
★ ★ ★ ★ ★
"Always a tremendous experience with Hartman Brothers. I have used them for more than 25 years and gotten to know their people more like friends/family than vendors... because that's exactly how they treat their customers! Always a pleasure to deal with and their work is exceptional as a bonus. Would give them 6 Stars if it was an option."
— Scott S.
(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)
★ ★ ★ ★ ★
"Hartmans installed my HVAC and ducts about 5 yrs ago and I've done the maintenance agreement every year. Every tech that has come out has been informational, professional, and thorough."
— Terina C.
(Google Review)
★ ★ ★ ★ ★
"Very happy and COOL now. Caleb was super nice and seemed very knowledgeable!!! We still have a problem, but he got us up and running for the weekend after a long week of 90 degrees in our house. Hoping they send Caleb back on Monday to finish the job."
— Deb
(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 M.
(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.
