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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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★ ★ ★ ★ ★

"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 Sproat
(Google Review)

★ ★ ★ ★ ★

"Hartman Bros does a good job They installed my Lenox system and maintain it every year. They have always been responsive and professional. I will use them for my next system."

— Judy Gleason
(Google Review)

★ ★ ★ ★ ★

"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)

★ ★ ★ ★ ★

"Great pleasant staff from the initial phone call to the service tech! Friendly, knowledgeable, and conscientious."

— Kimberly B.
(Google Review)

★ ★ ★ ★ ★

"Our air conditioning went out today. My husband called Hartman Brothers. They were here within 30 minutes. I can’t remember the guy’s name but he was very nice and did a great job! Hopefully we won’t have any more problems but if we do, we’ll call Hartman’s."

— Arlene Crouch
(Google Review)

★ ★ ★ ★ ★

"Hartman Brothers are the best people to work with, always dependable! Caleb helped us set up a schedule on our thermostat and helped us hook up our phones to the thermostat also!"

— Jerry J.
(Google Review)

★ ★ ★ ★ ★

"Friendly, professional service…"

— Ray B.
(Google Review)

★ ★ ★ ★ ★

"Caleb was very professional in how he handled the service. I like how messages were sent updating the arrival time."

— Lane
(Google Review)

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