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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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"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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"As always the technician was courteous, professional and informative. I will continue using Hartman Bros."

— Tim B
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"I had just called in yesterday for a non-emergency plumbing repair and they were out first thing this morning! Brad was very professional and courteous and he got everything taken care of very promptly. He had to go get a part and was back faster than I thought he could be. Great job and I will call again for my plumbing as well as my HVAC needs."

— Roger D.
(Google Review)

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"The technician was knowledgeable and upon request he was nice enough to educate me on the system and it's safety features as he completed his diagnostic and service."

— Daniel Burke
(Google Review)

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"The service was great as always. The 2 men who came to install my new furnace were very professional and took the time to explain what they were doing and showed me what the problem was with my old furnace. Thanks Mr Hartman for coming up North and for having a great crew."

— Sandra M.
(Google Review)

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"I am a satisfied customer. I have been for over 50 years"

— Kenneth K.
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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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"Woke to no heat this morning. Hartman came out and made a quick job of fixing it. Superb customer service!"

— Diane D.W
(Google Review)

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