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Reliable HVAC Service,
Right When You Need It

Professional Heating & Air Conditioning Services

in Madison, Oneida, and Herkimer Counties

Services

Stay Comfortable All Year Long

Proudly serving Central New York since 1985, Tri-County Heating & Air Conditioning is a family-owned company dedicated to keeping your home or business comfortable year-round. From expert installations to reliable repairs, we offer dependable HVAC solutions with 24/7 emergency service you can count on. Whether you're facing the summer heat or winter chill, you can trust our experienced team to deliver quality service with a personal touch.

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35+ Years

of Experience

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Great Financing

Options Available

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Family-Owned,

Community Focused

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Free Estimates

on All Installations

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EPA-Certified & Factor Trained Techs

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Fast, Reliable,

Friendly Service

Call Us at (315) 829-4100
for Your FREE Quote!

About Us

Since opening our doors in Oneida, NY in 1985, Tri-County Heating & Air Conditioning has proudly served homeowners and businesses throughout Central New York. In 1990, we relocated to our current facility at 9 Tannery Lane in Vernon, NY to better serve Madison, Oneida, and Herkimer counties.

"I called Tri-County when my furnace stopped working on a freezing night. They arrived quickly, fixed the problem, and didn’t try to upsell me. Honest, professional, and fast!"

Tina R., Rome, NY

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Serving Madison, Oneida, and Herkimer Counties

Monday–Friday: 8:00 AM – 5:00 PM

24/7 Emergency Service Available

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We accept all major credit cards!

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© 2025 by Tri-County Heating and Air Conditioning. Website by Media Haus.

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