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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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Heather S.
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"Above and beyond. Hard to find people that take pride in their work. From the office to the field, this is a top notch company."

Kurt Drummond
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"I have used Hartman Brothers for many years. I have never had a problem. Top notch folks!"

John Wiesemann
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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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"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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"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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"I absolutely loved the service we received from Hartman Brothers. They gave us an appointment right away, and the technician knew what our issue was based on my husband's conversation with the scheduler. As a result, he came prepared to fix our problem. The technician was also very nice and courteous. I would recommend everyone to give them a call for all your HVAC needs. Thanks Hartman for a job well done!"

Ursula Eady
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