O'Neil Mechanical Contractor Inc.

Pleasure in the job puts perfection in the work.

 - Aristotle (384 BC - 322 BC)

Who We Are

O'Neil Mechanical was started in 1945 by Patrick Witter O'Neil and since then has become the benchmark for other small set aside commercial HVAC contractors.  We have been providing the highest level of service and satisfaction since inception.

Photo: Tom, Witter, and Patrick O'Neil circa 1993.