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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 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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"Showed up at my door 4 hours after I called about my furnace not working. Very fast response! The tech was very friendly."

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"I absolutely loved the service we received from Hartman Brothers. They gave us an appointment right away, and the technician knew what our issue was based on my husband's conversation with the scheduler. As a result, he came prepared to fix our problem. The technician was also very nice and courteous. I would recommend everyone to give them a call for all your HVAC needs. Thanks Hartman for a job well done!"

Ursula Eady
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Cheryl K.
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"Hartman Bros does a good job They installed my Lenox system and maintain it every year. They have always been responsive and professional. I will use them for my next system."

Judy Gleason
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"The technician was polite, respected my home by putting covers over his shoes, worked efficiently, was very knowledgeable and helpful."

M.A. Ralston
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"Quick to respond to our issue and the service tech was very professional and thorough. Always appreciate their service."

Cody S.
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"All went well. Thanks for the fine service. "

James B.
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