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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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"I have used Hartman Brothers for many years. I have never had a problem. Top notch folks!"

John Wiesemann
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"They were on time, cleaned up after themselves, and the quote they gave was exactly the amount charged. I would use them again and recommend them."

Karen Watson
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"Great Job as always professional, and great customer service"

Kathy K.
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"I absolutely loved the service we received from Hartman Brothers. They gave us an appointment right away, and the technician knew what our issue was based on my husband's conversation with the scheduler. As a result, he came prepared to fix our problem. The technician was also very nice and courteous. I would recommend everyone to give them a call for all your HVAC needs. Thanks Hartman for a job well done!"

Ursula Eady
(Google Review)

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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
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"Just had our 6 months maintenance on our furnace. Technician Ked is courteous and very thorough and always takes good care of us."

Jeff K.
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"Replaced furnace and air conditioner, high quality service, very professional, recommendation 100%"

Paul G.
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"They are always fast and efficient. Never had to wait long for service. Today Brian did an outstanding job. Diagnosed the problem immediately and had the furnace up and running."

Joy Miller-Long
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