★ ★ ★ ★
"Mario was efficient,friendly and explained what inducer motor does. Great job."
— Pam A.
(Google Review)
★ ★ ★ ★ ★
"Very polite and fast. in and out in less than an hour."
— Edgar T.
(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)
★ ★ ★ ★ ★
"They are always fast and efficient. Never had to wait long for service. Today Brian did an outstanding job. Diagnosed the problem immediately and had the furnace up and running."
— Joy Miller-Long
(Google Review)
★ ★ ★ ★ ★
"On Saturday, my water heater spewed lots of water in the utility portion of my garage. Unfortunately, my furnace was soaked. After my call to Hartman Bros., Darian arrived within the hour and dried out the furnace and re-started it. Hartman Bros. has been servicing my heating and cooling systems for over 30 years and have always been "johnny-on-the-spot" when I have had problems. I highly recommend them."
— Nancee L.
(Google Review)
★ ★ ★ ★ ★
"A heating unit in my barn had stopped working. This unit was originally installed by Harman Brothers years ago. Josh opened the unit up and within 30 minutes he found the problem and had it repaired."
— Joe P.
(Google Review)
★ ★ ★ ★ ★
"Technician did an extremely thorough job during our annual HVAC check. He was friendly, efficient, and knowledgeable. Thank you! You just never disappoint"
— Mary E.
(Google Review)
★ ★ ★ ★ ★
"We had a limb from neighbor tree fall and take out our power causing a power surge which took out transformer and thermostat Hartman's was there that next morning tec was very polite and knew his stuff"
— Rhonda L.
(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.
