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36200 Schoolcraft Rd.
Livonia, Michigan 48150
(313) 341-7661
W. J. O’Neil
Company
John O’Neil Sr. – President
John M. O’Neil Jr. – Vice President
35457 Industrial Rd.
Livonia, MI 48150
(734) 458-2300
(734) 458-2305
Areas of Expertise: Industrial, School Construction, Commercial HVAC, Plumbing, Boiler, Boiler Service, Boiler Installation, HVAC Service, Computer Room Refrigeration, Energy Management, HVAC Controls
Services:
Residential
Cooling
Heating
HVAC Service
Commercial Service
Boiler and Burner
Controls
Cooling
Heating
Plumbing
Ventilation
Certificates
Backflow
ISO-9000/14000
Medical Gas
Welding
Specialties/Services
Design/Build
Dust Collectors
Fabrication
Refrigerant Processing
Refrigeration
Piping Systems
Chilled Water
Compressed Air
Gas
Hydraulics
Hydronics
Lubricants
Petrochemical
Plumbing
Steam
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