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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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"Hartman Brothers Heating & Air have once again outdone themselves. Their expertise in servicing my HVAC was remarkable. Their skill and professionalism were clear in their workmanship. They arrived punctually, armed with an extensive knowledge base that was clearly reflected in their approach. The outcome? All my units are operating like well-oiled machines. I highly recommend their services for anyone in need of superior quality work."

Heather Shively
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"My experience was excellent. The furnace runs very quietly and before when it would come on and I was sleeping it came on so loud it would wake me up. I'm so pleased with Hartman Brothers. My AC stopped working I thought it had something to do with my thermostat but Hartman's checked things out and found out someone turned the power off in the garage."

Carol Perkins
(Google Review)

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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.
(Google Review)

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"Caleb was very courteous and professional! The routine maintenance for the furnace went very smoothly as did the one in spring for the A/C."

Jerry R.
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"Always great! Friendly. Efficient. Respectful of house. Obviously experienced and good at what he does."

Dianne M.
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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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"Very thorough with my furnace and very knowledgeable."

Ruth P.
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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
(Google Review)

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