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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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"We could not be happier with our service, estimate for a new system and most of all offering to but coolant in the system to give us AC until new system is installed."

— Lanna Benjamin
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"Hartman Bros does a good job They installed my Lenox system and maintain it every year. They have always been responsive and professional. I will use them for my next system."

— Judy Gleason
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"Above and beyond. Hard to find people that take pride in their work. From the office to the field, this is a top notch company."

— Kurt Drummond
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"Hartman Brothers service technician Ked Snyder was excellent. He serviced my air conditioning unit finding a leak without too much trouble. I give him five stars!"

— Donald P.
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"I have been a long-standing client of Hartman Brothers Heating & Air Conditioning. My continued patronage is a testament to the profound knowledge and expertise demonstrated by their team. While I have fortunately not required their support beyond routine service appointments, I am confident in their ability to provide exceptional assistance should the need arise."

— George M.
(Google Review)

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"We've had great experiences with the whole team at Hartman Brothers, all the way from planning for our new HVAC system to having the technicians perform regular maintenance."

— Mike B.
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"Hartman Brothers always comes through for us. The furnace quit working and they squeezed us in the same day. They diagnosed and fixed it quickly. We won't use anyone else!"

— Debra Stellato
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"Pay to have furnace and air conditioner inspected each year. The technicians are knowledgeable and thorough with explaining all checked out."

— Dennis L.
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