About UsWhat We Do

Mechanical Contractor in Calgary, AB

Petra Mechanical Services is a Mechanical Contractor in Calgary and area specializing in Heating, Ventilation, Air Conditioning (HVAC) and Sheet Metal. The scope of project experience encompasses residential and commercial projects. The company provides quality work excellence, care and value to the industry and clients.


Petra Mechanical Limited was formed in 2007 by R. Scott Williamson. Scott holds two Journeyman Certifications through SAIT (Southern Alberta Institute of Technology). A Sheet Metal Red Seal Journeyman with a Masters in Sheet Metal starting in 1988. Then completing as an HVAC Technician (Heating, Ventilation, Air Conditioning) Journeyman with Masters in 2004. Over 25 years of experience in the trades industry specializing in the Residential and Commercial Sectors.

• Free Quotes
• Quality Customer Service
• Scheduling with you in Mind
• Experience in the Industry
• Licensed, Bonded and Insured

Have Questions? Call (403) 532-9371