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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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"Great service, as usual. Ked was prompt and he is very experienced and knowledgeable."

— Gene F.
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"Caleb went above and beyond in listening to our problem and delivering exceptional service. He was meticulous in his work and extremely thorough. Based on first impressions, we believe Hartman Brothers will be our HVAC provider moving forward."

— Gary S.
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"Caleb was very courteous and professional! The routine maintenance for the furnace went very smoothly as did the one in spring for the A/C."

— Jerry R.
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"As always, Hartman Bros does service RIGHT! They are prompt, courteous, professional, clean and fairly priced for all services we've ever had completed. We were introduced to them in 1998 when we first used their services and have been faithfully returning for every Heating and Air need, including the building of 2 new homes. They are stellar performers providing excellence at a time when mediocrity has been touted as the norm in our society. They go well above and beyond in all they do."

— Sheila Skinner
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"Thank you so much for helping me out today! Called yesterday and I was the very first stop of the day. Super quick and easy! "

— Christian S.
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"Josh was friendly and explained what he did on the AC and furnace and in good condition for their respective season."

— Rex C.
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"The Service Tech (Ked) did a great job. He went over all the details and would highly recommend. Thanks again Hartman Brothers."

— Justin S.
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"Friendly, polite, professional, everything that makes Hartman's great !"

— Joann W.
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