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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 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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"Hartman Brother’s plumber arrived on time and easily fixed our toilet issue. He wore foot protectors to ensure no tracking in. We were very pleased!"

Margaret S.
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"Quick to respond to our issue and the service tech was very professional and thorough. Always appreciate their service."

Cody S.
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"Hartman Brothers has always provided excellent service. From installing a new AC/furnace system to their biannual maintenance visits - they are the best!"

Sharon R.
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"Fast and efficient service. Josh got right to work and fixed the problem. Called office at 1:20pm and they were right out and the problem fixed by 3:30pm"

Catherine Franklin
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"Always great! Friendly. Efficient. Respectful of house. Obviously experienced and good at what he does."

Dianne M.
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"Interviewed three companies for new HVAC install and Rick Hartman as the owner stood out in the interview process. For the installation itself, Darian and partner flawlessly executed the install. Best choice. No misunderstandings. Everything is working perfectly."

William Rujevcan
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"Josh was able to quickly trouble shoot the problem with my Hvac .Thank you!"

Eric M.
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