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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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"Thank you for fixing my furnace tonight!! It's cold and will be colder tomorrow night... I knew I made the right decision having you install my furnace and air conditioning. You are awesome!! I love my generator that you installed as well!"

— Cheryl Kensill
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"Technician was on time, professional and completed our HVAC service promptly. Would highly recommend Hartman Brothers!"

— Eric Korte
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"We replaced a heat pump hvac system, got pricing from 4 hvac contractors. Lots of choices and levels but Hartman was head and shoulders above the others in cost and quality. They have experienced Technicians and great Owners, we highly recommend them!"

— Greg Eley
(Google Review)

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"I have always had excellent service from Hartman Bros. They go above and beyond! Thank you, Ked S."

— Tina Fourman
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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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"Technician did an extremely thorough job during our annual HVAC check. He was friendly, efficient, and knowledgeable. Thank you! You just never disappoint"

— Mary E.
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"All of the Hartman Bros employees are very polite, helpful, efficient and courteous. They always have answers to my questions. Im very happy with Hartman Bros. Caleb did an excellent job, is very polite, efficient and I highly recommend Hartman Bros!!"

— Renee Collins
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"Jim was very efficient did an excellent job was very friendly and polite. Excellent worker. Thank you."

— Roger H.
(Google Review)

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