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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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"Caleb was very efficient and helpful to explain all the features on the heating & air system & all the operations."

— Russ W.
(Google Review)

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"Josh was very pleasant. He explained what happened with my Furnace in the cold weather and why it happened. He had the Furnace working again quickly."

— Lisa B.
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"Very friendly and quick service, even on short notice. We will be able to sleep comfortably tonight with our fixed air conditioner! Thank you, Hartman Brothers!"

— Brittany Grote
(Facebook Review)

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"Josh was very prompt, polite, knowledgeable, thorough, and efficient. Hartman Brothers technicians always provide excellent customer service."

— Elaine Foley
(Google Review)

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"Prompt service and response time. Job was too tricky for me to handle myself and, as expected, my technician handled it like a pro."

— Matt N.
(Google Review)

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

— Steve E.
(Google Review)

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"Caleb went above and beyond in listening to our problem and delivering exceptional service. He was meticulous in his work and extremely thorough. Based on first impressions, we believe Hartman Brothers will be our HVAC provider moving forward."

— Gary S.
(Google Review)

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"All of the Hartman Bros employees are very polite, helpful, efficient, and courteous. They always have answers to my questions. I'm very happy with Hartman Bros. Josh does an excellent job, is very polite, and efficient, and always answers any questions and explains to me so I understand. I highly recommend Hartman Bros!!"

— Renee Collins
(Google Review)

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