Comprehensive Mechanical Design Solutions
Experienced & Reliable
Mechanical Design Services
Professional HVAC, plumbing, drainage, and fire protection drawings prepared using AutoCAD and Revit for smooth building permit approval.
We deliver precise, code-compliant mechanical designs tailored for residential, commercial, and mixed-use projects across Ontario—ensuring accuracy, efficiency, and full compliance with municipal and OBC requirements.
Plumbing & Drainage
We provide complete sanitary, storm, and domestic water layouts, including fixture-unit calculations, pipe sizing, and code-compliant designs to ensure proper performance and reliability.
HVAC Design
High-efficiency HVAC system design tailored to meet comfort, energy-saving, and code requirements.
Our services include heat loss and heat gain calculations, duct design, ventilation layouts, and equipment selection to ensure optimal heating and cooling performance for any type of project.
Fire Protection
Code-compliant fire protection engineering for safe and reliable building systems.
We design sprinkler layouts, fire standpipe systems, and related components in accordance with NFPA and Ontario Building Code standards—ensuring safety and proper system operation.
Energy Modelling
Advanced energy modelling to support efficient building performance and compliance.
Using industry-standard modelling tools, we provide SB-10 / SB-12 compliance reports, MLI Select documentation, and energy optimization studies to help clients reduce energy consumption and meet regulatory requirements.
Our Engineering Expertise
Service Areas
Delivering high-quality mechanical engineering solutions across various locations in the Greater Toronto Area.
Residential Projects
Professional HVAC, plumbing, drainage, fire protection, and energy modelling services tailored for custom homes, renovations, townhouses, and small residential developments.
Commercial Projects
Complete mechanical system design for retail units, offices, restaurants, clinics, and mixed-use buildings — including HVAC, plumbing, fire protection, and code-compliant permit drawings.
Industrial Projects
Specialized engineering for warehouses, production areas, and utility spaces, delivering efficient mechanical systems that support safety, ventilation, and operational performance.
Why Choose RN Engineering
Committed to delivering exceptional mechanical engineering services with a focus on client satisfaction and project success.
Trusted Engineering Partner
We provide dependable engineering support, guiding clients through each stage of design and approval.
Qualified & Experienced Engineers
Our team delivers reliable HVAC, plumbing, fire protection, and energy-modelling designs backed by professional expertise.
Responsive Project Communication
We stay connected throughout every stage of the project, offering timely updates and dedicated support from start to finish.
Proven Industry Knowledge
We bring strong technical experience across residential, commercial, mixed-use, and institutional mechanical design projects.
Client Testimonials
Betty Downey
RN Engineering provided exceptional mechanical engineering services that exceeded our expectations. Highly recommended!
James T. O'Reilly
Impressed with RN Engineering's commitment to quality and professionalism throughout the project. Highly recommended!
Tom & Mandy Levis
RN Engineering demonstrated outstanding workmanship and attention to detail. A reliable partner for engineering projects.