Services
At RN Engineering, we provide mechanical design services tailored to a wide variety of building types. Our expertise extends across:
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Commercial Developments
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Custom Residential Projects
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Attached & Detached Multifamily Housing
Each project is supported by our core disciplines—Sanitary & Drainage, HVAC, Fire Protection, and Energy Modelling—ensuring fully integrated, code-compliant, and efficient mechanical systems. We approach every project with a focus on quality, innovation, and functionality to create spaces that are both practical and future-ready.
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Let us help bring your vision to life—no matter the scale or complexity.
HVAC Design Services
At RN Engineering, we specialize in designing efficient and code-compliant HVAC systems tailored to your building’s specific needs. Whether it's a residential, commercial, or mixed-use development, we ensure optimal indoor comfort, energy efficiency, and compliance with the latest Ontario Building Code and ASHRAE standards.
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Our HVAC services include:
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Heating and cooling load calculations
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Ductwork and piping layout design
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Equipment sizing and selection
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Ventilation design (ASHRAE 62.1 compliant)
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Building permit-ready mechanical drawings (AutoCAD & Revit-BIM)
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Energy efficiency solutions (HRV/ERV integration, zoning strategies)
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Coordination with architectural and structural disciplines
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Site visits and support during construction\
We proudly serve the GTA and most cities across Ontario with professional and reliable mechanical design services.
Sanitary and Drainage Design Services
RN Engineering provides comprehensive sanitary and drainage system design services for residential, commercial, and mixed-use buildings. Our designs are fully compliant with the latest Ontario Building Code (OBC) and local municipal standards, ensuring safe, reliable, and efficient wastewater management.
Our sanitary and drainage services include:
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Sanitary and storm drainage system layout
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Pipe sizing and slope calculations (OBC-compliant)
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Coordination with civil, architectural, and structural plans
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Plumbing hydraulic calculations
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Connection details to municipal sewer systems
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Building permit-ready drawings (AutoCAD & Revit-BIM)
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Site support and inspection services
We ensure each system is designed for long-term performance and ease of maintenance, serving clients across the GTA and throughout Ontario.
Energy Modelling Services
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Enhancing building performance through smart, code-compliant design is at the core of our energy modelling services. RN Engineering helps clients meet energy efficiency goals, reduce operational costs, and comply with Ontario Building Code SB-10 and National Energy Code (NECB) requirements.
Our energy modelling services include:
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Whole-building energy performance simulations
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OBC SB-10 and NECB compliance modelling
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HVAC system energy analysis
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Energy conservation measure (ECM) evaluations
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Building envelope and insulation performance analysis
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Support for building permit and incentive applications
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Detailed energy reports for new construction and renovations
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Integration with HVAC, plumbing, and architectural designs
We support developers, architects, and contractors throughout Ontario with accurate, data-driven modelling to guide energy-smart decisions.
Fire Protection Design
Protecting life and property is a top priority at RN Engineering. We provide detailed, code-compliant fire protection system designs that align with the Ontario Building Code (OBC), NFPA standards, and municipal regulations—ensuring approval from both building departments and fire authorities.
Our fire protection services include:
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Fire sprinkler system layout and design (wet, dry, and pre-action systems)
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Standpipe and hose system design
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Hydraulic calculations and system sizing
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Coordination with fire alarm and detection systems
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Equipment and valve selection
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Building permit-ready fire protection drawings (AutoCAD & Revit-BIM)
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Site inspections and construction-phase support
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Code compliance reviews for new and retrofit projects
We proudly serve the GTA and most cities across Ontario with professional and accurate fire protection design solutions.
Satisfaction Guarantee
We’re committed to delivering exceptional service and ensuring your complete satisfaction. If you're not happy with our work, let us know, and we'll make it right. Our goal is to exceed your expectations and provide you with results you'll love—guaranteed.