★ ★ ★ ★ ★
"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)
★ ★ ★ ★ ★
"Josh was friendly and explained what he did on the AC and furnace and in good condition for their respective season."
— Rex C.
(Google Review)
★ ★ ★ ★ ★
"Workers were fast, efficient, and knowledgeable."
— S. Lengerich
(Google Review)
★ ★ ★ ★ ★
"Friendly, polite, professional, everything that makes Hartman's great !"
— Joann W.
(Google Review)
★ ★ ★ ★ ★
"Hartman Brother’s plumber arrived on time and easily fixed our toilet issue. He wore foot protectors to ensure no tracking in. We were very pleased!"
— Margaret S.
(Google Review)
★ ★ ★ ★ ★
"Always great! Friendly. Efficient. Respectful of house. Obviously experienced and good at what he does."
— Dianne M.
(Google Review)
★ ★ ★ ★ ★
"Jim,
Did a great job on are heating and cooling system.Checked all items washed down heat pump. I would like to request Jim to return to check our system on the next 6 month check up."
— David 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)
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.
