Buffalo, NY — Since 2017
Buffalo's Trusted HVAC Experts
AC replacements, furnace installs, and mini split systems — St. David's keeps Western New York homes comfortable year-round, backed by 8+ years of local expertise.
Our Services
HVAC Done Right, Every Time
AC Unit Replacement
When your central air conditioner is aging out or breaking down, we make the replacement process seamless. We size, source, and install high-efficiency units that are built for Buffalo summers — and we stand behind every job.
Our Work
Furnace Replacement
Don't let a failing furnace leave your family in the cold. We replace old, inefficient units with modern high-efficiency furnaces that cut energy costs and deliver reliable heat through even the harshest Western New York winters.
Our Work
Mini Split Systems
Perfect for additions, garages, sunrooms, or any space without existing ductwork. Mini split systems deliver zoned heating and cooling with no duct installation required — energy-efficient, quiet, and installed by our certified technicians.
Our Work
Why St. David's
Built on Trust. Proven by Results.
Since 2017, St. David's has been the go-to HVAC contractor for Buffalo homeowners and families across Erie County. We built this company on a simple promise: do the work right, treat every home like our own, and stand behind every system we install.
Whether you need a new AC unit before summer, a furnace replacement before the first freeze, or a mini split for a space that's never been comfortable — our certified technicians get it done on time and on budget.
8+
Years in Business
Erie County
& Surrounding Areas
3
HVAC Specialties
Get in Touch
Request a Free Quote
Tell us about your HVAC project and we'll be in touch within 1 business day.
Reach Us Directly
Call Us
716-603-8856
Service Area
Serving Erie County & Surrounding Areas
Business Hours
Mon – Fri: 9am – 6pm
Sat: 9am – 3pm
Sun: Closed