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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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"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 Mott
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"Always great! Friendly. Efficient. Respectful of house. Obviously experienced and good at what he does."

Dianne M.
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"Great job with furnace tune up and explanation of how everything was working!"

Steve E.
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"The folks that work for Hartman are always the best! Very pleasant, respectful and very knowledgeable! Great experience with whoever comes!!!"

Mary L
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"I had yearly maintenance on my heating system prior to cold weather coming on. The technician was very informative about my system and pointed out several things."

Robert D.
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"My experience was excellent the technician explained very clearly what he did and how different parts worked. A+"

Bruce L.
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"Always great service from our technician. He enjoys our dogs and continues to always provide top notch service! So glad we are part of the Hartman family."

Wendi C.
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"Great communication throughout the process. Things were explained to me in terms that I could understand. Very fair and professional. I'd highly recommend Hartman Brothers to anyone!"

Jared C.
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