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About Us.

McLellan Vitella Engineering Ltd. is a professional engineering firm, offering electrical and mechanical design services across South Western Ontario. We offer efficient and economical designs for multi-unit residential, commercial, academic, institutional, and light industrial projects. Our professional engineers and senior designers work closely with our clients to ensure projects are completed on time and within budget.


From concept to construction, McLellan Vitella Engineering Ltd. prides ourselves in ensuring our clients' best interests are always at the forefront in order to achieve ultimate success.



Lighting & Exit/Emergency Lighting Design

Complete lighting designs including interior and exterior lighting layouts. We complete photometric calculations for site plan applications, and ensure light levels meet industry standards and provide excellent working environments. Our lighting designs include complete Exit/Emergency signage and lighting layouts as well.

Electrical Design

Power distribution layouts for all building types including incoming service size calculations as per OESC, single line diagrams and panel circuiting & schedules.

Mechanical HVAC Design

HVAC system sizing and equipment selection including heat gain/loss calculations. Ventilation calculations to meet building code requirements and ASHRAE 62.1 standards. Duct layouts and sizing to suit the various building project requirements.

Plumbing Design

Complete plumbing system design including the layout and sizing of potable water systems, sanitary drainage and storm water drainage. We provide complete fixture selection and hot water system sizing as well as specialized equipment such as booster pumping systems.


View our Projects

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