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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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★ ★ ★ ★ ★

"As always the technician was courteous, professional and informative. I will continue using Hartman Bros."

Tim B
(Google Review)

★ ★ ★ ★ ★

"Brian showed me what was wrong with my air conditioning unit and explained everything so I could understand. He spoke to Vicki at the office regarding a needed part that would have to be ordered. They could have slapped a generic part on, but it would have only been a short-term fix. Instead of taking the easy way out, they are getting the part made for my unit so it will stay fixed, and they are coming back to finish the job as soon as they have the part. Hartman Brothers is ethical, knowledgeable, friendly, and they do the job right! I highly recommend them!"

Kris De
(Google Review)

★ ★ ★ ★ ★

"Josh was very courteous and professional. He took the time to explain to me and show me what was going on inside the furnace. I felt really bad that we needed to call him out on a Sunday but with the inside of the furnace iced up our air just wasnt working and he got us up and running in no time"

Dorothy Poling
(Google Review)

★ ★ ★ ★ ★

"Everything was competed as expected and my satisfaction. The service representative could have even arrived earlier than scheduled if I could have accommodated the time"

Donald M.
(Google Review)

★ ★ ★ ★ ★

"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.
(Google Review)

★ ★ ★ ★ ★

"Mario was a friendly, polite technician. He answered my questions to my satisfaction. In my opinion, he fits the profile of all technicians from Hartman’s who we have dealt with— friendly but always professional."

Sandra H.
(Google Review)

★ ★ ★ ★ ★

"Their customer service is always the best. Brad in plumbing did a great job! Highly recommend Hartman Brothers!"

Gayla A.
(Google Review)

★ ★ ★ ★ ★

"Jim was very professional and nice. He helped explained everything to me with tips for the future. Much appreciated "

Skott Y.
(Google Review)

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