Hospital Retrofit Project
Energy Modeling
Energy modeling and code compliance assessment for a high-rise residential building to demonstrate compliance with NECB 2020 and identify opportunities for energy performance improvement.
Residential High Rise
Toronto, Canada
2024
Solution / Optimization Strategy
A comprehensive approach was used to optimize the building envelope, HVAC system and overall energy performance to achieve better than code results.
- Optimized glazing performance and area distribution
- High efficiency VRF system with heat recovery
- Enhanced insulation, airtightness and thermal bridging
- Optimized glazing performance and area distribution
- Optimized glazing performance and area distribution
Project Summary
| Item | Value |
|---|---|
|
Service |
NECB 2020 Compliance Energy Modeling |
|
Building Type |
Mixed Use Residential |
|
Location |
Toronto, Canada |
|
Floor Area |
18,500 m2 |
|
Number of Floors |
12 |
|
Software |
IESVE |
|
Standard |
NECB 2020 |
|
HVAC System |
VRF + ERV |
|
Project Status |
Completed |
|
Year |
2024 |
Key Project Enhancements
The project achieved enhanced energy performance through optimized glazing SHGC reduction from 0.35 to 0.25, improved wall insulation, and a VRF system with heat recovery for higher HVAC efficiency. High-performance low-e glazing further improved daylight access and thermal comfort, resulting in 20.4% better performance than the NECB 2020 baseline.
- Optimized glazing SHGC from 0.35 to 0.25
- Increased wall insulation to reduce heat loss
- VRF system with heat recovery for improved efficiency
- High performance low-e glazing for daylight and thermal comfort
- Achieved 20.4% better performance than NECB 2020
Annual Energy Breakdown
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