★ ★ ★ ★ ★
"I've always had wonderful service from you. From you putting in my central air and heating to service I've never had any problem."
— Luv R.
(Google Review)
★ ★ ★ ★ ★
"My experience was excellent the technician explained very clearly what he did and how different parts worked. A+"
— Bruce L.
(Google Review)
★ ★ ★ ★ ★
"Hartman Brothers has always given me great service. I feel comfortable knowing they are taking care of my heating and ac needs.
Everyone is responsible, and I am very comfortable with all of the techs taking care of my maintenance even when I'm not home."
— Shelly K.
(Google Review)
★ ★ ★ ★ ★
"My husband and I were very pleased with the quality of service we received today from Caleb. He worked very hard to figure out why our furnace wasn't working. He also cleaned the coils which provided us with better air quality. We are now enjoying a cozy warm home again. Thank you Caleb for a job well done."
— Helen T.
(Google Review)
★ ★ ★ ★ ★
"A technician came out to perform an annual service call on air conditioning/heat pump. He also made a minor adjustment to thermostat programming . He was prompt and efficient and discussed future maintenance regular service options."
— Judith Botts
(Google Review)
★ ★ ★ ★ ★
"Service was on time and the service agent was personable and knowledgeable. I have used this company for over 15 years and would recommend them to everyone."
— Donald Marvar
(Google Review)
★ ★ ★ ★ ★
"I have depended on this company for years, they are great to work with."
— Kim Wroblewski
(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)
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.
