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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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"The job was done on time and the job looks great. Tha total price was very reasonable. Thanks to hartman brothers for a job well done."

— Richard V.
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"I had yearly maintenance on my heating system prior to cold weather coming on. The technician was very informative about my system and pointed out several things."

— Robert D.
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"Great service. Was able to squeeze in appointment before Christmas for service, but found heat exchanger crack. Thankfully, are still able to do Christmas Eve and guests will be warm and comfortable . Thanks for your great service"

— John P.
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"Hartman Brothers are quick and on time with everything working great. They keep my furnace working very well!"

— Herbert G.
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"Very happy with service. From my original phone call to the technician arriving, all were professional, helpful and friendly. Reasonable prices. I will definitely use again."

— Jackie Franze
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"I have used Hartman Brothers for many years. I have never had a problem. Top notch folks!"

— John Wiesemann
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"Honest people and good service. Lime anything you don’t know how to do yourself, expect to pay the premium for someone that took the time to learn how:)."

— David N.
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"Very thorough with my furnace and very knowledgeable."

— Ruth P.
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