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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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"We installed our new HV/AC and on demand water heater last year. The result is money saved year around. No huge water heater taking up space. And a great crew at Hartmans to service our unit in years to come. Great folks to do business with. Thank you!"

— Phil S.
(Google Review)

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"I have used Hartman Bros for many years. They offer excellent service, stand behind their products, give honest advice and are top notch professionals."

— Lisa Johnson
(Google Review)

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"Jim went over and above as he identified a problem that other techs had not noted in the 2 years prior and took the time to educate us on the issue. We also had questions about our thermostat settings and while in our home, Jim researched and found the answer. Great service isn’t always knowing it all, but rather assessing situations, thoughtfully problem solving, and seeking answers from others when needed. Jim did all of that and we appreciate the excellent service provided."

— Melanie K.
(Google Review)

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"The serviceman was on time, did a very thorough job, and helped me with a couple of other small issues with the thermostat and A/C at the same time."

— Lynn P.
(Google Review)

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"Great technician Very knowledgeable Customer service from office to field experience was great. Thanks for your help and for being so responsive"

— B. Stoller
(Google Review)

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"Friendly, polite, professional, everything that makes Hartman's great !"

— Joann W.
(Google Review)

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"Service was timely and the techs were professional and pleasant. There was a hitch but it was taken care of quickly. I recommend this company."

— W. Blume
(Google Review)

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"I had an issue with my furnace, the technician responded timely to my home and quickly assessed the problem and fixed it. The technician was very courteous and helpful. I will definitely use this company again. 10/10"

— Roy C.
(Google Review)

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