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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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"Great job with furnace tune up and explanation of how everything was working!"

— Steve E.
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"Caleb did a wonderful job on replacing the coil on my A/C. Of course, there are always bumps in the road. But, Caleb handled everything professionally and was a Very Nice technician."

— Karen L.
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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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"Hartman Brothers did a great job once again. They are always prompt, courteous and respectful. Any questions are answered and explanations are easy to understand. Thank you once again!"

— Deb W.
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"I have depended on this company for years, they are great to work with."

— Kim Wroblewski
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"Friendly, professional service…"

— Ray B.
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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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"Professional and quick! Very pleased with how fast they arrived, and fixed the problem in quick order!"

— Dalton Hathaway
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