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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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"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.
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"Service was timely and the techs were professional and pleasant. There was a hitch but it was taken care of quickly. I recommend this company."

W. Blume
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"Really appreciate the way they worked us into their schedule when we needed them. I called them first thing in the morning and they were there before noon."

Paul S.
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"Friendly, professional service…"

Ray B.
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"Very nice and efficient would highly recommend to anyone!"

Vicky S.
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"Great Job as always professional, and great customer service"

Kathy K.
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"Very courteous and professional. They always take great care of us."

Chip S.
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"Very polite man and got furnace ready for winter"

Edith V.
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