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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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"We replaced a heat pump hvac system, got pricing from 4 hvac contractors. Lots of choices and levels but Hartman was head and shoulders above the others in cost and quality. They have experienced Technicians and great Owners, we highly recommend them!"

Greg Eley
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"Fast and efficient service. Josh got right to work and fixed the problem. Called office at 1:20pm and they were right out and the problem fixed by 3:30pm"

Catherine Franklin
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"Great group of very intelligent people working for Hartman. They all do a wonderful job keeping everything running. Thank you"

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

Russ W.
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"The technician was very knowledgeable and efficient. This was the most thorough service my furnace has ever had."

Jim H.
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"Caleb was very professional in how he handled the service. I like how messages were sent updating the arrival time."

Lane
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"Our technician arrived as scheduled, was courteous at the door and asked if it was OK to come into the house, after which he put his booties over his work shoes. He (I wish I knew his name) seemed to complete his tasks efficiently, cleaned up his workspace and gave a thorough rendition of the condition of our AC unit. I appreciated his work and glad that we had the service contract. Great Job!"

Michael R.
(Google Review)

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