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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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"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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"We love the professionalism Ked exhibits . Very thorough and keeps us informed if there is (or isn't) a problem."

Cindy W.
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"Josh was very pleasant. He explained what happened with my Furnace in the cold weather and why it happened. He had the Furnace working again quickly."

Lisa B.
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"Our Tech was amazing to work with, he was very patient and answered every single question that we had didn’t rush us at all. We had Hartman at our previous home, continued the service at our new home. Would highly recommend them to anyone!"

Jerry C.
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"Very nice and efficient would highly recommend to anyone!"

Vicky S.
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"Replaced furnace and air conditioner, high quality service, very professional, recommendation 100%"

Paul G.
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"Very thorough with my furnace and very knowledgeable."

Ruth P.
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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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