Varsity Phased Deep Retrofit


Example of a phased retrofit that started with the envelope.


Building Type Single-Family 2+ Stories Location Calgary, AB
Year Built 1960 Foundation Type Concrete (Full Basement)
Structure Type Wood-Framed Climate Zone 7a
Heating Degree Days 5000 Retrofit Status Complete
Year Completed 2022 Retrofit Phasing Yes
Geometry Changed No

Project Team

Project Priorities

  • Reduce Energy Consumption
  • Achieve Net Zero or Net Zero Ready
  • Increase Thermal Comfort
  • Reduce GHG Emissions

Upgrades

  • High performance windows
  • 6″ Exterior Insulation and Finish System
  • Domestic Hot Water Heat Pump
  • Air source heat pump

Project Description

This home’s first phase was an above grade envelope update which included 6" EIFS and new Lux windows and doors.

Two years later the builder installed a heatpump hot water tank and central heatpump for forced air heating.

There are plans to add Solar.

Before & After

General

Envelope

Mechanical & Electrical

Annual Energy Usage