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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 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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"He was great as usual! He was very knowledgeable and personable. The guys always do a great job, and , offer advice. Thanks!"

— V. M.
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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.
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"Very professional and thorough. That’s why we have partnered with them for over twenty years."

— Thomas F.
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"Furnace wasn’t working on Friday morning after thanksgiving. Called Hartman Brothers. They were able to get here in the early afternoon. They diagnosed the problem and got it fixed quickly. Communication was excellent. Price was more than I expected, but understand that parts for 20+ year old furnace are not inexpensive."

— Brad S.
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"Thank you so much for helping me out today! Called yesterday and I was the very first stop of the day. Super quick and easy! "

— Christian S.
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"I appreciate my technician Dalton. He is very thorough and takes really good care of my HVAC. He is also very patient and kind. Thank you Dalton!"

— Patty Barnes
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"Always friendly. They show up within the time frame they promised. They always do a great job and inform you about all they did before leaving."

— John Gross
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