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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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"Josh was very prompt, polite, knowledgeable, thorough, and efficient. Hartman Brothers technicians always provide excellent customer service."

Elaine Foley
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"Thank you for fixing my furnace tonight!! It's cold and will be colder tomorrow night... I knew I made the right decision having you install my furnace and air conditioning. You are awesome!! I love my generator that you installed as well!"

Cheryl Kensill
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"They always let me know when they are on the way and were on time - actually early! Always friendly and professional."

Joan G.
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"Caleb was very courteous and thorough on his routine check-up of our heating system. Thank you."

Ron N.
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"Always a tremendous experience with Hartman Brothers. I have used them for more than 25 years and gotten to know their people more like friends/family than vendors... because that's exactly how they treat their customers! Always a pleasure to deal with and their work is exceptional as a bonus. Would give them 6 Stars if it was an option."

Scott S.
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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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"Excellent same-day service!"

Larry A.
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"I have a hot water tank that's 24yr old. Brad came out to diagnose it and flush it out. Great Service! Great office staff. Great experience. I'll be calling them again!"

Connie G.
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