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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 are quick and on time with everything working great. They keep my furnace working very well!"

— Herbert G.
(Google Review)

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"Hartman Brothers service technician Ked Snyder was excellent. He serviced my air conditioning unit finding a leak without too much trouble. I give him five stars!"

— Donald P.
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"I have been a long-standing client of Hartman Brothers Heating & Air Conditioning. My continued patronage is a testament to the profound knowledge and expertise demonstrated by their team. While I have fortunately not required their support beyond routine service appointments, I am confident in their ability to provide exceptional assistance should the need arise."

— George M.
(Google Review)

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"Friendly, polite, professional, everything that makes Hartman's great !"

— Joann W.
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"Just had a complete system put in - Duct Work, A/C and Furnace. These guys are amazing, they clean up as they go and so knowledgeable and very efficient. Highly Recommended!! Thank you Rick, Darren Brandon and Brad - You guys Rock!!"

— Lisa B.
(Google Review)

★ ★ ★ ★ ★

"Great service, as usual. Ked was prompt and he is very experienced and knowledgeable."

— Gene F.
(Google Review)

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"Great first impression with the receptionist who answered my call after the first ring! She was friendly, professional, and genuine... The service repair technician was professional and took time to explain the repair that he recommended to the A/C unit. He fixed the unit on the spot. Not only great service, but great people too. Thank you, Hartman Brothers!"

— Stephen Vachon
(Facebook Review)

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"They always let me know when they are on the way and were on time - actually early! Always friendly and professional."

— Joan G.
(Google Review)

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