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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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"The folks that work for Hartman are always the best! Very pleasant, respectful and very knowledgeable! Great experience with whoever comes!!!"

— Mary L
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"Hartman Brothers service technician was very professional and did an excellent job! I trust Hartman Brothers with my heating and air conditioning needs!"

— Vicky B.
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"Hartmans installed my HVAC and ducts about 5 yrs ago and I've done the maintenance agreement every year. Every tech that has come out has been informational, professional, and thorough."

— Terina C.
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"Great Heating and Air Company to work with who are always professional, courteous, fairly priced and even help in a timely manner when things break at the most inconvenient time."

— Melissa Philebaum
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"The job was done on time and the job looks great. Tha total price was very reasonable. Thanks to hartman brothers for a job well done."

— Richard V.
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"The repairman noticed a problem with the condenser and took care of it. I was unaware of the problem because I cannot ambulate to the basement at this time."

— Sharon M.
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"I've used Hartman Brothers for all my HVAC needs across multiple properties and they are always responsive and timely. Dalton was my technician and demonstrated a high degree of both professionalism and helpfulness. Vicky is their jack-of-all trades office and scheduling manager. She always does a phenomenal job and makes you feel valued as a customer in every interaction. You can't go wrong with this company. Strongly recommended!"

— Spencer Lulling
(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.
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