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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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"Always friendly. They show up within the time frame they promised. They always do a great job and inform you about all they did before leaving."

John Gross
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"Excellent professional service by Brian…detailed cleaning of outdoor air conditioner unit..checked electrical components.. changed batteries in thermostat!"

Ramona H.
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"Josh was very knowledgeable! He was able to find the problem with our furnace and fix it. He was not pushy and didn't try to sell us anything we didn't need! We will definitely do business with Hartman's again when needed!"

Brian Trumbower
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"As usual- excellent & friendly service. I would highly recommend this company."

Tony Pohl
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Iana K.
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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 !!"

Rhonda Ludlow
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"Hartman brothers are always fantastic, they have always taken care of us, Ked came over and had our heat back up and running in an hour, always friendly and courteous. Thank you for a job well done."

Chris D.
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"Hartman Brothers always comes through for us. The furnace quit working and they squeezed us in the same day. They diagnosed and fixed it quickly. We won't use anyone else!"

Debra Stellato
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