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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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"Professional from start to finish. Arrived on time. Installation went smoothly. Faster than expected. Very helpful from the start. Answered all questions. Communication was excellent."

Michael T.
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"My technician was very friendly and passed on great information. I would definitely recommend using Hartman Brothers for all your Heating and Cooling needs."

Tim M.
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"Very happy and COOL now. Caleb was super nice and seemed very knowledgeable!!! We still have a problem, but he got us up and running for the weekend after a long week of 90 degrees in our house. Hoping they send Caleb back on Monday to finish the job."

Deb
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"Very polite man and got furnace ready for winter"

Edith V.
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Larry A.
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"Friendly service excellent communication! They even came earlier for the appointment which worked out perfect !!"

Chris B.
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"Great customer service from Angie to the gentlemen that came and installed my new furnace. Would definitely recommend!"

Stacy S.
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"The technician was polite, respected my home by putting covers over his shoes, worked efficiently, was very knowledgeable and helpful."

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