About Dilling
A Family Business Built on Trust
Four decades of keeping Pennsylvania families comfortable — one honest service call at a time.
Our Story
A family-owned HVAC team Bucks County trusts.
Dilling Heating & Cooling has been keeping Pennsylvania families comfortable for decades, with one simple promise: treat every customer's home like it's our own.
Our NATE-certified technicians service homes across Bucks and Montgomery Counties. We pull every permit ourselves, install with our own crews (never subcontractors), and back every job with a written 10-year warranty.
We're proud to be a family business in a town we love — and we'll keep doing things the right way long after the big national chains have moved on.
What We Stand For
The Dilling Difference
Family-Owned
Three generations of the same family running this business since 1999.
Our Own Crews
Every technician is W-2, NATE-certified, background-checked and uniformed.
10-Year Warranty
Written 10-year parts & labor coverage on every new system install.
Honest Pricing
Flat-rate, up-front quotes — no surprise charges, ever.
Our 5 Promises To You
- Show up on time, every time — or your service call is free.
- Provide an honest, written estimate before any work begins.
- Use only manufacturer-approved parts on every install and repair.
- Leave your home cleaner than we found it.
- Stand behind our work with a 10-year written warranty.