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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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★ ★ ★ ★ ★

"Caleb did a great job. He is thorough and answered all of my questions."

— Rodney H.
(Google Review)

★ ★ ★ ★ ★

"Always great! Friendly. Efficient. Respectful of house. Obviously experienced and good at what he does."

— Dianne M.
(Google Review)

★ ★ ★ ★ ★

"As usual- excellent & friendly service. I would highly recommend this company."

— Tony Pohl
(Google Review)

★ ★ ★ ★ ★

"Always a tremendous experience with Hartman Brothers. I have used them for more than 25 years and gotten to know their people more like friends/family than vendors... because that's exactly how they treat their customers! Always a pleasure to deal with and their work is exceptional as a bonus. Would give them 6 Stars if it was an option."

— Scott S.
(Google Review)

★ ★ ★ ★ ★

"The staff is wonderful and the technicians are "top notch" at Hartman Brothers! I have used this company for the past 25+ years for all my regular maintenance checkups and repairs. I have never been disappointed with the quality of work by the Hartman Brothers service technicians. My most recent service tech was "Josh." Josh was very courteous and professional. I will continue to use Hartman Brothers for all my HVAC needs for years to come!"

— Catherine D.
(Google Review)

★ ★ ★ ★ ★

"Caleb was very courteous and professional! The routine maintenance for the furnace went very smoothly as did the one in spring for the A/C."

— Jerry R.
(Google Review)

★ ★ ★ ★ ★

"A heating unit in my barn had stopped working. This unit was originally installed by Harman Brothers years ago. Josh opened the unit up and within 30 minutes he found the problem and had it repaired."

— Joe P.
(Google Review)

★ ★ ★ ★ ★

"This was a great service call. The service mechanic was very efficient and did a great job."

— Donald S.
(Google Review)

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