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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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"Hartmans installed my HVAC and ducts about 5 yrs ago and I've done the maintenance agreement every year. Every tech that has come out has been informational, professional, and thorough."

Terina C.
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"Caleb did a good job and was very personable."

Dorthy F.
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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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"Really appreciate the way they worked us into their schedule when we needed them. I called them first thing in the morning and they were there before noon."

Paul S.
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"Neb is great. Timely and through. Explains work performed in terms you can understand."

Thomas C.
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"Caleb did a wonderful job on replacing the coil on my A/C. Of course, there are always bumps in the road. But, Caleb handled everything professionally and was a Very Nice technician."

Karen L.
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"The repairman noticed a problem with the condenser and took care of it. I was unaware of the problem because I cannot ambulate to the basement at this time."

Sharon M.
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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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