CanadaOntario

Ontario Supplementary Standard SB-12 2011

Energy efficiency supplement for low rise residential buildings. Additions to existing buildings; Low rise residential intended for occupancy throughout winter.

Applicable Building Type(s)

Existing residential, New residential

Policy Requirement Level

Mandatory

Policy Sequence

Governance

Development Authority: Ministry of Municipal Affairs and Housing

Prescriptive Compliance path

Prescriptive Path

Energy Requirements:

Windows

 

 

U-Values (W/m2.K)

All climate zones

1.6 - 2.0

Doors

 

U-Values (W/m2.K)

All climate zones

1.6 - 1.8

Skylights

 

U-Values (W/m2.K)

All climate zones

2.8

Air Leakage

 

 

Air Changes per

Hour at 50 Pa

Detached homes

2.5

Attached homes

3.0

Renewable Energy

Not a requirement

End-uses considered:

Appliances, Space cooling, Space heating, Water heating, Ventilation

Performance Compliance path

Performance Path

Energy Requirements:

Windows

Gross area of glazing including skylights must be less than 17% of gross area of peripheral above grade walls or between 17% & 22% for buildings using modelled performance compliance

Resources

Notes

Climate zones

Heating Degree Days

 

HDD (18°C)

Climate zone 4

<3000

Climate zone 5

3000-3999

Climate zone 6

4000-4999

Climate zone 7A

5000-5999

Climate zone 7B

6000-6999

Climate zone 8

≥7000

 

Heating Degree Days for Ontario Codes

 

HDD (18°C)

Climate zone 1

<5000

Climate zone 2

>5000

Climate zone 7  <5000