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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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"I've had Hartman's install new Bryant H/Vac systems in 2 houses now and I've been pleased with the outcome at both houses. They are local, on time and reasonably priced. I've had a couple minor problems and Hartman Bros treated me fairly and took care of the issues. You don't buy 2 complete H/Vac systems from someone you don't trust or has treated you unfairly."

Daniel Scheele
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"We've been using Hartman Brothers for many years to service our personal residence and also our church building. They are very friendly, professional, and reliable!"

Dave W.
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"Have used this company for many years, always excellent service."

Charlene F.
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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 job with furnace tune up and explanation of how everything was working!"

Steve E.
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"Jim was very professional and nice. He helped explained everything to me with tips for the future. Much appreciated "

Skott Y.
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"Caleb was very courteous and thorough on his routine check-up of our heating system. Thank you."

Ron N.
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"A technician came out to perform an annual service call on air conditioning/heat pump. He also made a minor adjustment to thermostat programming . He was prompt and efficient and discussed future maintenance regular service options."

Judith Botts
(Google Review)

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