★ ★ ★ ★ ★
"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)
★ ★ ★ ★ ★
"I was very pleased with the quickness of them getting here and fixing my thermostat so I could turn on my heat. Professional and communication was great! Thank you!!"
— Lucinda E.
(Google Review)
★ ★ ★ ★ ★
"Got a message they were on their way & arrived soon after & was well within the time frame they gave for the appointment"
— Roberta G.
(Google Review)
★ ★ ★ ★ ★
"Hartman was absolutly 100% thorough to ensure our HVAC issues were fixed after our new built home settled and 1st hard winter tested it. I love knowing Hartman is a phone call away to correctly fix and solve any heating and air condition needs."
— John Kravec
(Google Review)
★ ★ ★ ★ ★
"The technician was knowledgeable and upon request he was nice enough to educate me on the system and it's safety features as he completed his diagnostic and service."
— Daniel Burke
(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)
★ ★ ★ ★ ★
"We were so impressed with our repairman! He explained everything very thoroughly of what repairs he needed to make to help our furnace to run more efficient.
Also, when we called for a repairman, he was at our house within 30 minutes! WOW!"
— Jeffery M.
(Google Review)
★ ★ ★ ★ ★
"I've had Hartman's install new Bryant H/Vac systems in 2 houses now and I've been pleased with the outcome at both houses. They are local, on time and reasonably priced. I've had a couple minor problems and Hartman Bros treated me fairly and took care of the issues. You don't buy 2 complete H/Vac systems from someone you don't trust or has treated you unfairly."
— Daniel Scheele
(Google Review)
Whether it's winter or summer, you'd be lost without your HVAC system. But how does it work, exactly? How is it able to get your home to just the right temperature? That's the job of the HVAC control system. Let's take a closer look at what it is and what it does.
