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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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"Rick Hartman of Hartman Brothers is a class act. He went above and beyond to make sure everything was as it should be... We would definitely recommend Hartman Brothers to everyone. Great customer service and an honest reputable business!"

— Sharon Nuerge
(Facebook Review)

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"Always a tremendous experience with Hartman Brothers. I have used them for more than 25 years and gotten to know their people more like friends/family than vendors... because that's exactly how they treat their customers! Always a pleasure to deal with and their work is exceptional as a bonus. Would give them 6 Stars if it was an option."

— Scott S.
(Google Review)

★ ★ ★ ★ ★

"The service was great as always. The 2 men who came to install my new furnace were very professional and took the time to explain what they were doing and showed me what the problem was with my old furnace. Thanks Mr Hartman for coming up North and for having a great crew."

— Sandra M.
(Google Review)

★ ★ ★ ★ ★

"Same good service over several years. Because Hartman's takes care of my furnace every year, there were no problems."

— James C.
(Google Review)

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"Always have a great experience with them. On time and professional."

— Richard O.
(Google Review)

★ ★ ★ ★ ★

"AMAZING customer service!! My a/c went out this weekend - yes, THIS weekend the hottest weekend of the year. I called the office and they were able to have a service technician out within 5 hours. The truck was a sight for hot and sore eyes for sure. He did a wonderful job finding and fixing the problem as quickly as possible. 10/10 highly recommend!!"

— Estela G.
(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)

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"Jim was courteous and professional. He was focused on the job. We are glad he came to service our equipment."

— Paul S.
(Google Review)

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