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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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"All of the Hartman Bros employees are very polite, helpful, efficient, and courteous. They always have answers to my questions. I'm very happy with Hartman Bros. Josh does an excellent job, is very polite, and efficient, and always answers any questions and explains to me so I understand. I highly recommend Hartman Bros!!"

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"I have a hot water tank that's 24yr old. Brad came out to diagnose it and flush it out. Great Service! Great office staff. Great experience. I'll be calling them again!"

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"Josh diagnosed the problem with my furnace and will be saving me thousands of dollars! Thank you!"

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"Hartman Brothers service technician Ked Snyder was excellent. He serviced my air conditioning unit finding a leak without too much trouble. I give him five stars!"

— Donald P.
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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"

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"We cant say enough positive things about this company and those who work there. Dalton was my tech he is very thorough with both my heating and air this year !!"

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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."

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