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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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"A heating unit in my barn had stopped working. This unit was originally installed by Harman Brothers years ago. Josh opened the unit up and within 30 minutes he found the problem and had it repaired."

Joe P.
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"Great service as always. Thorough Furnace checkup. We are set for the 2nd winter we are having. Thank you."

Eric G.
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"Pay to have furnace and air conditioner inspected each year. The technicians are knowledgeable and thorough with explaining all checked out."

Dennis L.
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"Hartman Bros representatives are wonderful! Caleb is super great at answering all my questions and explaining everything so I feel very much at ease. I definitely recommend Hartman Bros for heating and AC installation and servicing. Their employees are super polite and very helpful and pleasant! Great job as always!"

Renee C.
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"Wonderful customer service!! Tech is absolutely professional and kind. He went above and beyond by bringing my trash can into my garage. Awesome service!"

Kim S.
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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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"I had my whole HVAC system replaced. I found Hartman Bros to be a very trustworthy company. Very responsive, friendly and knowledgeable. The quote was the most reasonable with options. Installation techs were very polite and professional. Family has used this company for years and highly recommended them. I’m very please with the quality of work. I would happily recommend to anyone interested need of HVAC services."

Andrea B.
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"All went well. Thanks for the fine service. "

James B.
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