Commercial & Residential HVAC Design Services in Ontario

RN Engineering provides professional mechanical engineering and HVAC system design for commercial, industrial, and residential projects across Ontario. We prepare code-conscious heating, cooling, ventilation, and air-distribution designs coordinated with architectural and other building systems—from load calculations and equipment selection to permit and construction drawings.

Our HVAC Engineering Specializations

We utilize advanced engineering workflows to design, optimize, and size mechanical systems tailored to complex building profiles. Our core HVAC capabilities include:

Heating & Cooling Load Calculations (Accurate Heat Loss / Gain Analysis)
Rooftop Units (RTU) & Specialized Equipment Selection
VAV & CAV System Design & Variable Refrigerant Flow (VRF / VRV) Heat Pump Systems
Hydronic Heating Systems & Custom Air Distribution Schematics
Make-Up Air Units (MUA) & High-Velocity Exhaust & Ventilation Systems
Comprehensive Duct Design & Static Pressure Calculations
Energy Modelling & System Optimization (OBC SB-10 Compliance)
Commercial HVAC Retrofit & System Upgrades
Natatorium Design (Advanced Indoor Pool HVAC & Dehumidification Systems)
Complete Permit, Construction, and As-Built Drawings

Target Building Environments

Our engineered mechanical solutions are custom-tailored to meet the unique structural and occupancy requirements of various facility types, including: Office Buildings, Medical & Dental Clinics, Restaurants & Commercial Kitchens, Custom Homes & Multi-Unit Residential developments, Retail Units, Warehouses, Schools, and Commercial Tenant Fit-Ups.

Professional Engineering Certification (P.Eng)

All mechanical design packages delivered by RN Engineering are formally reviewed, validated, and issued with a Professional Engineer (P.Eng) stamp and signature. Operating under our official Certificate of Authorization issued by Professional Engineers Ontario (PEO), we provide the rigorous engineering documentation, equipment schedules, and outdoor air calculations mandatory for municipal building departments and plan reviewers.

Need HVAC drawings for a building permit? Learn more about HVAC design for building permit submission in Ontario. Request an HVAC Design Quote