Commercial HVAC installation is at the centre of this apprenticeship with Wiehler Mechanical in Calgary. Read drawings, fabricate ductwork, and build practical trade experience.
Wiehler Mechanical is seeking 2nd to 4th year Sheet Metal Apprentices for its growing Commercial Division. Working under experienced Journeypersons, you will install HVAC systems in commercial buildings while gaining hands-on experience toward your ticket. The work includes duct systems, ventilation components, fabrication, and safe tool use.
Key Responsibilities: Install and secure commercial HVAC ductwork and fittings
Interpret blueprints, technical drawings, and project specifications
Measure, cut, and bend sheet metal using equipment
Inspect and test completed systems against industry standards




Maintain tools and keep worksites clean and secure
Requirements: Registration as a 2nd, 3rd, or 4th year apprentice
Commercial sheet metal or HVAC ductwork installation experience
Sheet metal fabrication and ventilation component knowledge
Ability to work at heights and in confined spaces
Valid driver’s licence and job-site travel availability
Develop commercial HVAC expertise through blueprint reading, ductwork installation, sheet metal fabrication, and supervised apprenticeship experience.

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📌 Commercial HVAC Sheet Metal Apprentice (Alberta)
🏢 Wiehler Mechanical
📍 Alberta