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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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"Jim was very professional and nice. He helped explained everything to me with tips for the future. Much appreciated "

Skott Y.
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"Always great service from our technician. He enjoys our dogs and continues to always provide top notch service! So glad we are part of the Hartman family."

Wendi C.
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"Had our a/c quit functioning over the weekend. Called first thing Monday and they were able to get someone out in the morning and had us back up and running before we knew it!! Great service experience from initial phone call to completion of the job couldnt be happier!!"

Bud Brewer
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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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"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 K.
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Kurt Drummond
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"Caleb was very courteous and thorough on his routine check-up of our heating system. Thank you."

Ron N.
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"Hartman Brothers did a great job once again. They are always prompt, courteous and respectful. Any questions are answered and explanations are easy to understand. Thank you once again!"

Deb W.
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