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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 serviced our system for the annual spring checkup. He was professional, polite and gave us pointers on the system."

Diane D.
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"Service was on time and the service agent was personable and knowledgeable. I have used this company for over 15 years and would recommend them to everyone."

Donald Marvar
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"All of the Hartman Bros employees are very polite, helpful, efficient and courteous. They always have answers to my questions. Im very happy with Hartman Bros. Caleb did an excellent job, is very polite, efficient and I highly recommend Hartman Bros!!"

Renee Collins
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"Josh diagnosed the problem with my furnace and will be saving me thousands of dollars! Thank you!"

J.
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"They call ahead - arrived not only on time but a bit early! The technician was polite and professional."

Joan G.
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"Hartman Brother’s plumber arrived on time and easily fixed our toilet issue. He wore foot protectors to ensure no tracking in. We were very pleased!"

Margaret S.
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"Caleb was very courteous and professional! The routine maintenance for the furnace went very smoothly as did the one in spring for the A/C."

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

Steve E.
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