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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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★ ★ ★ ★ ★

" They have made repairs in the past and now do all my hvac maintenance. Truly a great company to deal with."

Robert Burns
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"Honest people and good service. Lime anything you don’t know how to do yourself, expect to pay the premium for someone that took the time to learn how:)."

David N.
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"Called and they came out same day,…and it was day after Thanksgiving. Service man was very informative and thorough. Definitely recommend Hartman and we plan to use them for maintenance and future furnace or ac needs."

Traci N.
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"Caleb was very professional in how he handled the service. I like how messages were sent updating the arrival time."

Lane
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"Arrived on time and work completed in a professional way. Would highly recommend Hartman’s."

Bob B.
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"Brian is an asset. He knows his stuff and is very personable. As a 12-year annual service customer The visit involved testing and advice and a small amount of refrigerant. The visit last about an hour."

Tom Jurczak
(Google Review)

★ ★ ★ ★ ★

"Hartman Brothers are the best people to work with, always dependable! Caleb helped us set up a schedule on our thermostat and helped us hook up our phones to the thermostat also!"

Jerry J.
(Google Review)

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