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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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★ ★ ★ ★ ★

"Our AC went out and they sent someone out within a few hours and the problem was fixed quickly. With our service membership we also got a discount so the repair price was reasonable. I was very impressed with how quickly and professionally they fixed the problem especially in the middle of summer when they must get a lot of AC calls. Will definitely continue to use Hartman Bros."

Jane Christensen
(Google Review)

★ ★ ★ ★ ★

"Hartman Brothers has always provided excellent service. From installing a new AC/furnace system to their biannual maintenance visits - they are the best!"

Sharon R.
(Google Review)

★ ★ ★ ★ ★

"Jim was courteous and professional. He was focused on the job. We are glad he came to service our equipment."

Paul S.
(Google Review)

★ ★ ★ ★ ★

"The service man completed the maintenance on my Air Conditioner. He was on time, He checked the system, added a little Freon., cleaned the condenser, very efficient. Great job."

Richard R.
(Google Review)

★ ★ ★ ★

"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.
(Google Review)

★ ★ ★ ★ ★

"Jim was very efficient did an excellent job was very friendly and polite. Excellent worker. Thank you."

Roger H.
(Google Review)

★ ★ ★ ★ ★

"AMAZING customer service!! My a/c went out this weekend - yes, THIS weekend the hottest weekend of the year. I called the office and they were able to have a service technician out within 5 hours. The truck was a sight for hot and sore eyes for sure. He did a wonderful job finding and fixing the problem as quickly as possible. 10/10 highly recommend!!"

Estela G.
(Google Review)

★ ★ ★ ★ ★

"We were so impressed with our repairman! He explained everything very thoroughly of what repairs he needed to make to help our furnace to run more efficient. Also, when we called for a repairman, he was at our house within 30 minutes! WOW!"

Jeffrey M.
(Google Review)

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