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The concept of HVAC has been around for thousands of years. The ancient Romans and Greeks used channels under marble flooring to distribute heat. However, it was until 1902 that the modern A/C idea was launched by Willis Carrier. Today's systems have experienced tremendous technological upgrades that make them significantly different from the older ones. Let's explore the recent HVAC history that has contributed to that.

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HVAC technology , hvac industry , HVAC history , hvac upgrades , hvac trends , changes in hvac

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★ ★ ★ ★ ★

"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)

★ ★ ★ ★ ★

"Service manager made room in the schedule for warranty work, it was very much appreciated and the service tech Caleb was awesome. We are new to the area and will be using this company. Great job!!"

John W.
(Google Review)

★ ★ ★ ★ ★

"Ked was excellent, friendly from the start and extremely helpful. Because of how thorough he was, he fixed the problem but also discovered another potential problem and promptly fixed it as well."

Casey Holt
(Google Review)

★ ★ ★ ★ ★

"Brian is an asset. He knows his stuff and is very personable. As a 12-year annual service customer The visit involved testing and advice and a small amount of refrigerant. The visit last about an hour."

Tom Jurczak
(Google Review)

★ ★ ★ ★ ★

"Everything was competed as expected and my satisfaction. The service representative could have even arrived earlier than scheduled if I could have accommodated the time"

Donald M.
(Google Review)

★ ★ ★ ★ ★

"I have always had excellent service from Hartman Bros. They go above and beyond! Thank you, Ked S."

Tina Fourman
(Google Review)

★ ★ ★ ★ ★

"Caleb was the technician who came to check out our furnace. He immediately figured out the problem. I highly recommend him"

Han H.
(Google Review)

★ ★ ★ ★ ★

"Josh was very pleasant. He explained what happened with my Furnace in the cold weather and why it happened. He had the Furnace working again quickly."

Lisa B.
(Google Review)

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