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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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"Always a tremendous experience with Hartman Brothers. I have used them for more than 25 years and gotten to know their people more like friends/family than vendors... because that's exactly how they treat their customers! Always a pleasure to deal with and their work is exceptional as a bonus. Would give them 6 Stars if it was an option."

— Scott Sproat
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"The friendly service, knowledge and attention to detail is what will keep myself and business calling for all of our HVAC needs."

— Nick G.
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"I have depended on this company for years, they are great to work with."

— Kim Wroblewski
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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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"Ked was excellent, friendly from the start and extremely helpful. Because of how thorough he was, he fixed the problem but also discovered another potential problem and promptly fixed it as well."

— Casey Holt
(Google Review)

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"Hartmans installed my HVAC and ducts about 5 yrs ago and I've done the maintenance agreement every year. Every tech that has come out has been informational, professional, and thorough."

— Terina C.
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"Really appreciate the way they worked us into their schedule when we needed them. I called them first thing in the morning and they were there before noon."

— Paul S.
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"Arrived on time and work completed in a professional way. Would highly recommend Hartman’s."

— Bob B.
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