Serving the Finger Lakes Since 2000
Your Comfort Is Our Business
Over 35 years of experience keeping Finger Lakes families warm in winter and cool all summer long.
What We Do
Every system is personally designed to fit your home and your budget.
Heating Installation
From new furnaces to complete heating system replacements, we design and install systems built to last — and built for your home.
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Air Conditioning Installation
Stay cool all summer with a system sized right for your space. We handle everything from equipment selection to final startup.
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Heating Repair
When your heat goes out, you need someone fast and reliable. We show up promptly and get your system running again.
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AC Repair & Maintenance
Regular maintenance keeps your system running efficiently and prevents costly breakdowns. We service all makes and models.
Learn moreA Team You Can Trust
Steven Williams founded Seneca Heating & Air Conditioning in 2000, bringing over 35 years of hands-on HVAC knowledge to every job. We're not a big corporation — we're your neighbors, and we treat every home like our own.
We're fully insured, offer free estimates, and stand behind every system we install. When you call us, you'll get a straight answer and a fair price.
"We're not a big corporation — we're your neighbors, and we treat every home like our own."
Steven Williams
Owner, Seneca Heating & Air Conditioning
Ready to Get Comfortable?
Give us a call — we'd love to help.
607-546-2022Fully insured · Free estimates · Serving the Finger Lakes Region