★ ★ ★ ★ ★
"Just had our 6 months maintenance on our furnace. Technician Ked is courteous and very thorough and always takes good care of us."
— Jeff K.
(Google Review)
★ ★ ★ ★ ★
"Very polite and fast. in and out in less than an hour."
— Edgar T.
(Google Review)
★ ★ ★ ★ ★
"Jim was very professional and nice. He helped explained everything to me with tips for the future. Much appreciated "
— Skott Y.
(Google Review)
★ ★ ★ ★ ★
"Hartman Brothers have been our go to for three years now. They are professional, friendly and on time. Their communication is top notch. I know when they are showing up, or if they are going to be delayed. No guess work with these guys! Highly recommend."
— Heather S.
(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)
★ ★ ★ ★ ★
"Hartman Bros representatives are wonderful! Caleb is super great at answering all my questions and explaining everything so I feel very much at ease. I definitely recommend Hartman Bros for heating and AC installation and servicing. Their employees are super polite and very helpful and pleasant! Great job as always!"
— Renee C.
(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)
★ ★ ★ ★ ★
"Just signed up for a planned service agreement to keep my AC and Furnace tuned up. Great value and great service!"
— Stefan Hartman
(Facebook 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 