★ ★ ★ ★ ★
"Very satisfied with service arrival time and communication. I would recommend."
— Henry G.
(Google Review)
★ ★ ★ ★ ★
"I appreciate my technician Dalton. He is very thorough and takes really good care of my HVAC. He is also very patient and kind. Thank you Dalton!"
— Patty Barnes
(Google Review)
★ ★ ★ ★ ★
"Caleb did a good job and was very personable."
— Dorthy F.
(Google Review)
★ ★ ★ ★ ★
"Dad called for service and Hartman’s were there just a couple of hours later, found the problem and replaced the part.
I can’t say enough about their exceptional service and techs! We have used them for years and can always count on them to come through."
— Jill C.
(Facebook 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)
★ ★ ★ ★ ★
"Had our a/c quit functioning over the weekend. Called first thing Monday and they were able to get someone out in the morning and had us back up and running before we knew it!! Great service experience from initial phone call to completion of the job couldnt be happier!!"
— Bud Brewer
(Google Review)
★ ★ ★ ★ ★
"I had ample notice of arrival via text. Technician picture was provided for safety and I appreciated that. Kept a clean work area and wore shoe covers inside the house. I had questions about the maintenance plan I had purchased in advance. The technician reached out to the office and clarified for me—the office was prompt with answers and the technician was very friendly, helpful and professional. We will certainly continue to purchase the annual maintenance visits with Hartman Brothers!"
— Melanie K.
(Google Review)
★ ★ ★ ★ ★
"Hartman Brothers service technician was very professional and did an excellent job! I trust Hartman Brothers with my heating and air conditioning needs!"
— Vicky B.
(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.
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 