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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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"Brian is an asset. He knows his stuff and is very personable. As a 12-year annual service customer The visit involved testing and advice and a small amount of refrigerant. The visit last about an hour."

Tom Jurczak
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"I have them complete annual maintenance on my HVAC. Excellent service. Good value. Responsive when I need them. Professional staff."

James Cadoret
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"Woke to no heat this morning. Hartman came out and made a quick job of fixing it. Superb customer service!"

Diane D.W
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"Josh at Hartman Brothers did a good job. He quickly figured out the problem and got it fixed for 1/3 the cost I was expecting! He did not "find" problems or try to get us to upgrade, just did exactly what we needed him to do. I would strongly recommend calling Hartman Brothers for installing or repairing your AC/Heating!"

James S.
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"Wonderful experience. The service technician was very polite and explained everything very clearly so glad I had them service my furnace."

Mic Garcia
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"Great work and very reasonable prices! Technicians were very careful and efficient in their work."

John Edmonds
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Dalton Hathaway
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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
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