★ ★ ★ ★ ★
"Hartman Brothers installed the HVAC system before we bought this home, and has always maintained it. When it was time to replace it after 32 years, we selected them to install & maintain this system as well."
— Jeff Eley
(Google Review)
★ ★ ★ ★ ★
"Outstanding service from start to finish. I had an outside spigot dripping, I was afraid with the cold weather it would freeze up. Called and Roger was able to fit me in within a few hours. I have used Hartman Brothers for over 30 years for my heating and central air systems. Happy that I can call them for plumbing issues as well."
— Dawn T.
(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)
★ ★ ★ ★ ★
"I have been a long-standing client of Hartman Brothers Heating & Air Conditioning. My continued patronage is a testament to the profound knowledge and expertise demonstrated by their team. While I have fortunately not required their support beyond routine service appointments, I am confident in their ability to provide exceptional assistance should the need arise."
— George M.
(Google Review)
★ ★ ★ ★ ★
"Arrived on time and work completed in a professional way. Would highly recommend Hartman’s."
— Bob B.
(Google Review)
★ ★ ★ ★ ★
"Service manager made room in the schedule for warranty work, it was very much appreciated and the service tech Caleb was awesome. We are new to the area and will be using this company. Great job!!"
— John W.
(Google Review)
★ ★ ★ ★ ★
"Very satisfied with service arrival time and communication. I would recommend."
— Henry G.
(Google Review)
★ ★ ★ ★ ★
"My experience was excellent. The furnace runs very quietly and before when it would come on and I was sleeping it came on so loud it would wake me up. I'm so pleased with Hartman Brothers.
My AC stopped working I thought it had something to do with my thermostat but Hartman's checked things out and found out someone turned the power off in the garage."
— Carol Perkins
(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.
