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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!"

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Iana K.
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"Great technician Very knowledgeable Customer service from office to field experience was great. Thanks for your help and for being so responsive"

B. Stoller
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"Hartman brothers has always given me great service. I feel comfortable knowing they are taking care of my heating and ac needs. Everyone is responsible, and I am very comfortable with all of the techs taking care of my maintenance even when I'm not home."

Shelly Kline
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"The serviceman was on time, did a very thorough job, and helped me with a couple of other small issues with the thermostat and A/C at the same time."

Lynn P.
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"Hartman Brother Heating & Air is the BEST!!!! When I have an issue they immediately come to help! There employees are very friendly, kind and courtious of your home. They are well trained and have the knowledge to fix the problems in a timely manner! Way to go Hartman Brothers!!!"

Julie C.
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"Everything was competed as expected and my satisfaction. The service representative could have even arrived earlier than scheduled if I could have accommodated the time"

Donald M.
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"Great service, very professional! Technicians are very experienced."

Aaron Rumple
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