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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 service technicians are always very prompt, professional and knowledgeable. Excellent products and service."

Bill F.
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★ ★ ★ ★ ★

"Technician was on time, professional and completed our HVAC service promptly. Would highly recommend Hartman Brothers!"

Eric Korte
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"Technician did an extremely thorough job during our annual HVAC check. He was friendly, efficient, and knowledgeable. Thank you! You just never disappoint"

Mary E.
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"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)

★ ★ ★ ★ ★

"They worked me in early. Inspected and found the problem quickly. Explain the issues thoroughly and did not attempt to see me parts and services I did not need. They got the heat going temporarily and hope to have needed parts in a couple days."

Todd Hammond
(Google Review)

★ ★ ★ ★ ★

"Hartman brothers are always fantastic, they have always taken care of us, Ked came over and had our heat back up and running in an hour, always friendly and courteous. Thank you for a job well done."

Chris D.
(Google Review)

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"My experience was excellent the technician explained very clearly what he did and how different parts worked. A+"

Bruce L.
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"Pay to have furnace and air conditioner inspected each year. The technicians are knowledgeable and thorough with explaining all checked out."

Dennis L.
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