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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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"Great service as always. Thorough Furnace checkup. We are set for the 2nd winter we are having. Thank you."

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"Nothing short of FABULOUS!!! Darian and Brandon provided us with outstanding service. They were diligent, skilled, hard workers and excellent communicators. Friendly and generous with their help, even doing a couple extra jobs to make things easier for us! And they were immaculate with clean up. Highly recommend Hartman! Professionalism and excellence all through this process!"

— Susan Kanpol
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"Technician..courteous..informative..super experience! The best."

— John P.
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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.
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"Very courteous and professional. They always take great care of us."

— Chip S.
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"Very friendly and quick service, even on short notice. We will be able to sleep comfortably tonight with our fixed air conditioner! Thank you, Hartman Brothers!"

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