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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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"Service manager made room in the schedule for warranty work, it was very much appreciated and the service tech Caleb was awesome. We are new to the area and will be using this company. Great job!!"

— John W.
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"Every thing went well, even though he had bad news that the unit needed to be replaced due to the fact that the unit was 18 years old and the refrigerant used in the day was R22 that it cant be purchased because of government regulations, now we will see what the estimate will be. The technician seems to be knowledgeable and was very professional about his work."

— Harold Breames
(Google Review)

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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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"He was very professional and thorough And did a great job."

— Jenny P.
(Google Review)

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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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"These people are Amazing I have never had any trouble at all. They are always there if you need them, anyone that comes is always respectable and caring about you. A great group of staff That's for sure I'm so happy we went with them for our needs."

— MaryJane L.
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★ ★ ★ ★ ★

"Great service as always. Thorough Furnace checkup. We are set for the 2nd winter we are having. Thank you."

— Eric G.
(Google Review)

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