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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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"We had a limb from neighbor tree fall and take out our power causing a power surge which took out transformer and thermostat Hartman's was there that next morning tec was very polite and knew his stuff"

Rhonda L.
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"Josh was very professional and arrived on time. He answered all my questions and did a thorough job of servicing my furnace."

Joan Busick
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"I would recommend anybody that needs an air conditioning and furnace go to Hartman brothers very friendly, good service and will do you a good job. they have my business for now on!"

Richard W.
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"Great pleasant staff from the initial phone call to the service tech! Friendly, knowledgeable, and conscientious."

Kimberly B.
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"Just had our 6 months maintenance on our furnace. Technician Ked is courteous and very thorough and always takes good care of us."

Jeff K.
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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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"Our air conditioning went out today. My husband called Hartman Brothers. They were here within 30 minutes. I can’t remember the guy’s name but he was very nice and did a great job! Hopefully we won’t have any more problems but if we do, we’ll call Hartman’s."

Arlene Crouch
(Google Review)

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"Josh was very courteous and professional. He took the time to explain to me and show me what was going on inside the furnace. I felt really bad that we needed to call him out on a Sunday but with the inside of the furnace iced up our air just wasnt working and he got us up and running in no time"

Dorothy Poling
(Google Review)

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