MAHER
MECHANICAL
Precision commercial plumbing and heating solutions for Newfoundland & Labrador.
Trusted by Top Contractors in NL
Our Services
Commercial Plumbing & Mechanical
Large-scale piping, refits, and new construction. From critical medical gas lines to boiler room retrofits, we ensure our work complies with all provincial codes.
Residential New Builds
We bring industrial precision to custom home construction. Partnering with contractors for high-efficiency hydronic heating and complete plumbing rough-ins and finishes.
Commercial Building Maintenance
Reliable service contracts for condos, apartments, and commercial rentals.
Portfolio
Proven in the Field
Our reputation is built in the mechanical rooms of Newfoundland's most critical facilities. From hospital medical gas lines to commercial boiler rooms, we deliver systems that pass inspection the first time.






TRUSTED ON SITE
"Jason installed a wood/electric hot water radiation system in my house. Meticulous with his install and was quick and efficient with his work. Highly recommend."
Josh Reddy
Controls Supervisor, Control Pro"I’ve dealt with Jason for a number of years now while he was working at the health science center. He has been nothing but professional and has an exceptional eye for detail. The calibre of his work is second to none; I would definitely recommend Maher Mechanical for any projects."
Steve Hollet
Medical Gas Rep, NL Health
Owner-Operated
FOREMAN’S STANDARD
Built on Jason Maher’s well over a decade tenure in commercial plumbing and working as site Foreman, Maher Mechanical Ltd. delivers industrial-grade precision to the Newfoundland and Labrador market.
As a Red Seal owner-operator, Jason applies elite coordination and mechanical competency to every project from complex commercial retrofits to new residential builds.
Red Seal
Certified Team
$5M
Liability Insured
GET IN TOUCH
Operating Hours
Mon - Fri: 8:00AM – 5:00PM
Sat - Sun: Available for Emergencies
Service Area
Maintaince or Emergencies St. John's and surrounding areas
Commercial New Builds Newfoundland and Labrador