Solar heat gain coefficient for windows - Build 189 (2022)

Abbreviation
Solar heat gain coefficient for windows - Build 189 (2022)
Valid from
1/04/2022

Information provider
BRANZ Limited
Author
John Burgess
Information type
BUILD article
Format
Website, PDF

Description

Summer overheating is becoming a problem in many of our houses. Designers should consider the solar heat gain coefficient when selecting glazing to help reduce this risk.

MBIE has modified New Zealand Building Code clause H1 Energy efficiency to increase the amount of insulation used in the roof, walls, windows and floors of new homes.

BRANZ helped create Table E.1.1.1 in the 5th edition of clause H1/AS1, which contains a range of R-values for typical glazing systems used in New Zealand homes. These figures show what sort of window and glazing systems are required to meet the increased R-values for windows.

Scope

This article includes:

  • No regulation of heat flow by radiation
  • Coefficients and R-values for windows
  • Design to reduce overheating
For assistance with locating previous versions, please contact the information provider.
View on Information Provider website Download this resource (PDF, 586KB)
For assistance with locating previous versions, please contact the information provider.
This resource is not cited by any other resources.

Solar heat gain coefficient for windows - Build 189 (2022)

This document is not CITED BY any other resources:

Solar heat gain coefficient for windows - Build 189 (2022)

Description

Summer overheating is becoming a problem in many of our houses. Designers should consider the solar heat gain coefficient when selecting glazing to help reduce this risk.

MBIE has modified New Zealand Building Code clause H1 Energy efficiency to increase the amount of insulation used in the roof, walls, windows and floors of new homes.

BRANZ helped create Table E.1.1.1 in the 5th edition of clause H1/AS1, which contains a range of R-values for typical glazing systems used in New Zealand homes. These figures show what sort of window and glazing systems are required to meet the increased R-values for windows.

View on Information Provider website Download this resource (PDF, 586KB)
Solar heat gain coefficient for windows - Build 189 (2022)
Description

Summer overheating is becoming a problem in many of our houses. Designers should consider the solar heat gain coefficient when selecting glazing to help reduce this risk.

MBIE has modified New Zealand Building Code clause H1 Energy efficiency to increase the amount of insulation used in the roof, walls, windows and floors of new homes.

BRANZ helped create Table E.1.1.1 in the 5th edition of clause H1/AS1, which contains a range of R-values for typical glazing systems used in New Zealand homes. These figures show what sort of window and glazing systems are required to meet the increased R-values for windows.

View on Information Provider website Download this resource (PDF, 586KB)
This resource does not cite any other resources.

Solar heat gain coefficient for windows - Build 189 (2022)

This resource does not CITE any other resources.
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