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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 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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"Always great service with Hartman brothers"

Cheryl K.
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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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"Very polite man and got furnace ready for winter"

Edith V.
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"He was very professional and thorough And did a great job."

Jenny P.
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"Great Job as always professional, and great customer service"

Kathy K.
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★ ★ ★ ★ ★

"Once again, technician was very nice. Completed work efficiently. No complaints."

Dennis M.
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"Had to call to have our furnace checked out since it stopped working. Called Hartman Brothers at 8:00 a.m. on a Friday and they had someone come to the house that same day. The service Tech was outstanding and delivered great customer service. He explained what he did and had s fixed in less than an hour! Highly recommend Hartman Brothers!"

Rhonda R.
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