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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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★ ★ ★ ★ ★

"Caleb was very courteous and professional! The routine maintenance for the furnace went very smoothly as did the one in spring for the A/C."

Jerry R.
(Google Review)

★ ★ ★ ★ ★

"They were on time, cleaned up after themselves, and the quote they gave was exactly the amount charged. I would use them again and recommend them."

Karen Watson
(Google Review)

★ ★ ★ ★ ★

"I had ample notice of arrival via text. Technician picture was provided for safety and I appreciated that. Kept a clean work area and wore shoe covers inside the house. I had questions about the maintenance plan I had purchased in advance. The technician reached out to the office and clarified for me—the office was prompt with answers and the technician was very friendly, helpful and professional. We will certainly continue to purchase the annual maintenance visits with Hartman Brothers!"

Melanie K.
(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)

★ ★ ★ ★ ★

"The serviceman was on time, did a very thorough job, and helped me with a couple of other small issues with the thermostat and A/C at the same time."

Lynn P.
(Google Review)

★ ★ ★ ★ ★

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

Tim B
(Google Review)

★ ★ ★ ★ ★

"Excellent professional service by Brian…detailed cleaning of outdoor air conditioner unit..checked electrical components.. changed batteries in thermostat!"

Ramona H.
(Google Review)

★ ★ ★ ★ ★

"Always great service with Hartman brothers"

Cheryl K.
(Google Review)

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