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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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"A technician came out to perform an annual service call on air conditioning/heat pump. He also made a minor adjustment to thermostat programming . He was prompt and efficient and discussed future maintenance regular service options."

— Judith Botts
(Google Review)

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"Hartman Brother Heating & Air is the BEST!!!! When I have an issue they immediately come to help! There employees are very friendly, kind and courtious of your home. They are well trained and have the knowledge to fix the problems in a timely manner! Way to go Hartman Brothers!!!"

— Julie Chesney
(Google Review)

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"Great service. Was able to squeeze in appointment before Christmas for service, but found heat exchanger crack. Thankfully, are still able to do Christmas Eve and guests will be warm and comfortable . Thanks for your great service"

— John P.
(Google Review)

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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
(Google Review)

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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.
(Google Review)

★ ★ ★ ★ ★

"Serviceman on time, friendly, polite, professional. I will recommend Hartman Bros. To anyone who asks if I know good company for heating/ac. Very glad I chose them."

— Patricia Stine
(Google Review)

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"Ked Snyder is an excellent representative for Hartman Brothers. He is couteous, thorough and professional. Very Satisfied with your service and Highly Recommend it!"

— Greg Andrews
(Google Review)

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"Always great service with Hartman brothers"

— Cheryl K.
(Google Review)

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