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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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"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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"Josh was able to quickly trouble shoot the problem with my Hvac .Thank you!"

Eric M.
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"The job was done on time and the job looks great. Tha total price was very reasonable. Thanks to hartman brothers for a job well done."

Richard V.
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"The technician was very knowledgeable and efficient. This was the most thorough service my furnace has ever had."

Jim H.
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"Hartman was absolutly 100% thorough to ensure our HVAC issues were fixed after our new built home settled and 1st hard winter tested it. I love knowing Hartman is a phone call away to correctly fix and solve any heating and air condition needs."

John Kravec
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"Wonderful experience. The service technician was very polite and explained everything very clearly so glad I had them service my furnace."

Mic Garcia
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"The service agent (Jim) was very courteous and helpful in explaining what was happening and shared tips on how to keep it running efficiently. He was very thorough in checking output temps before he left. Thank you for being my go to service provider."

Paul R.
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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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