★ ★ ★ ★ ★
"We had a limb from neighbor tree fall and take out our power causing a power surge which took out transformer and thermostat Hartman's was there that next morning tec was very polite and knew his stuff"
— Rhonda L.
(Google Review)
★ ★ ★ ★ ★
"Very thorough with my furnace and very knowledgeable."
— Ruth P.
(Google Review)
★ ★ ★ ★ ★
"Hartman Bros does a good job They installed my Lenox system and maintain it every year. They have always been responsive and professional. I will use them for my next system."
— Judy Gleason
(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)
★ ★ ★ ★ ★
"Always great! Friendly. Efficient. Respectful of house. Obviously experienced and good at what he does."
— Dianne M.
(Google Review)
★ ★ ★ ★ ★
"All of the Hartman Bros employees are very polite, helpful, efficient and courteous. They always have answers to my questions. Im very happy with Hartman Bros. Caleb did an excellent job, is very polite, efficient and I highly recommend Hartman Bros!!"
— Renee Collins
(Google Review)
★ ★ ★ ★ ★
"They worked me in early. Inspected and found the problem quickly. Explain the issues thoroughly and did not attempt to see me parts and services I did not need. They got the heat going temporarily and hope to have needed parts in a couple days."
— Todd Hammond
(Google Review)
★ ★ ★ ★ ★
"Friendly, polite, professional, everything that makes Hartman's great !"
— Joann W.
(Google Review)
A properly sized cooling and heating system will deliver better energy efficiency and performance than a system that's over- or undersized. An essential aspect of sizing A/Cs, furnaces and heat pumps is calculating the heating and cooling loads (requirements) of the home. Here's a review of the three types of heating and cooling loads for individual homes.
