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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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"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 C.
(Google Review)

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"Caleb serviced our system for the annual spring checkup. He was professional, polite and gave us pointers on the system."

— Diane D.
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"Great service ontime for my appt Gentleman was very friendly. He was very informative on what's going on with my unit. And I was happy with my experience with the company"

— Kendra Wetzel
(Google Review)

★ ★ ★ ★ ★

"Very polite and fast. in and out in less than an hour."

— Edgar T.
(Google Review)

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"I would recommend anybody that needs an air conditioning and furnace go to Hartman brothers very friendly, good service and will do you a good job. they have my business for now on!"

— Richard W.
(Google Review)

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"Hartman Bros representatives are wonderful! Caleb is super great at answering all my questions and explaining everything so I feel very much at ease. I definitely recommend Hartman Bros for heating and AC installation and servicing. Their employees are super polite and very helpful and pleasant! Great job as always!"

— Renee C.
(Google Review)

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"Professional and quick! Very pleased with how fast they arrived, and fixed the problem in quick order!"

— Dalton Hathaway
(Google Review)

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"Professional from start to finish. Arrived on time. Installation went smoothly. Faster than expected. Very helpful from the start. Answered all questions. Communication was excellent."

— Michael T.
(Google Review)

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