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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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"Ked was my "usual" service tech for many years. He was always friendly & kind...and didn't mind letting my big dog say hi. He was always professional and efficient. I liked having the piece of mind in knowing my HVAC needs are met & running well. I have used their maintenance plan for many years now, and haven't been disappointed. Well, Caleb didn't disappoint either. He loved my "big boy" and had a great sense of humor. He was very thorough in servicing my air conditioner. I feel I get my money's worth from my maintenance plan each year. I love when they say, "Everything looks good, no problems. See you in the Fall.""

Donna D.
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"Hartman bros were excellent. Very professional and helpful. That is why I recommend them to everyone"

Nancy L.
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"Very courteous and professional. They always take great care of us."

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

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

Roger H.
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"Hartman Brothers responded within hours of our furnace going out and gave us several options. They are always courteous and knowledgeable. We have done business with them for 20+ years."

Mindy Meyer
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"The technician was polite, respected my home by putting covers over his shoes, worked efficiently, was very knowledgeable and helpful."

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

Tim B
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