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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 responded within hours of our furnace going out and gave us several options. They are always courteous and knowledgeable. We have done business with them for 20+ years."

— Mindy Meyer
(Google Review)

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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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"Tech was polite, professional, knowledgeable and worked quickly to resolve the issue with my furnace. I inquired about the root cause of this recurring problem and he kindly explained what was occurring to prevent the furnace from igniting, and what he had done to resolve the current issue, which I appreciated very much! As always, I remain a happy Hartman Bros. customer!"

— Judith Vincenski
(Google Review)

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"Excellent job!! He explained everything."

— Terry F.
(Google Review)

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"I had my whole HVAC system replaced. I found Hartman Bros to be a very trustworthy company. Very responsive, friendly and knowledgeable. The quote was the most reasonable with options. Installation techs were very polite and professional. Family has used this company for years and highly recommended them. I’m very please with the quality of work. I would happily recommend to anyone interested need of HVAC services."

— Andrea B.
(Google Review)

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"Prompt service and response time. Job was too tricky for me to handle myself and, as expected, my technician handled it like a pro."

— Matt N.
(Google Review)

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"Workers were fast, efficient, and knowledgeable."

— S. Lengerich
(Google Review)

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"Excellent professional service by Brian…detailed cleaning of outdoor air conditioner unit..checked electrical components.. changed batteries in thermostat!"

— Ramona H.
(Google Review)

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