Exhibit5_EnergyStarRequirements.pdf

ENERGY STAR Program Requirements for Residential Windows, Doors, and Skylights: Version 6.0 6

ENERGY STAR Qualification Criteria for Residential Windows, Doors, and Skylights

Windows

Climate Zone

U- Factor1 SHGC2

Northern* ≤ 0.27 Any Prescriptive

= 0.28 ≥ 0.32 Equivalent

Energy Performance

= 0.29 ≥ 0.37

= 0.30 ≥ 0.42

North- Central ≤ 0.30 ≤ 0.40

South- Central ≤ 0.30 ≤ 0.25

Southern ≤ 0.40 ≤ 0.25

Air Leakage ≤ 0.3 cfm/ft2

1 Btu/h ft2∙˚F 2 Solar Heat Gain Coefficient

* The effective date for the Northern Zone prescriptive and equivalent energy performance criteria for windows is January 1, 2016.

Doors

Glazing Level U-Factor1 SHGC2

Opaque ≤ 0.17 No Rating

≤ ½-Lite ≤ 0.25 ≤ 0.25

> ½-Lite ≤ 0.30

Northern North-Central ≤ 0.40

Southern South-Central ≤ 0.25

Air Leakage for Sliding Doors ≤ 0.3 cfm/ft2 Air Leakage for Swinging Doors ≤ 0.5 cfm/ft2

Skylights

Climate Zone U-Factor1 SHGC2

Northern ≤ 0.50 Any

North-Central ≤ 0.53 ≤ 0.35

South-Central ≤ 0.53 ≤ 0.28

Southern ≤ 0.60 ≤ 0.28

Air Leakage ≤ 0.3 cfm/ft2

Note: A complete list of ENERGY STAR Climate Zones by state and county or, where applicable, zip code is available at https://www.energystar.gov/index.cfm?fuseaction=windows_doors.search_climate.

https://www.energystar.gov/index.cfm?fuseaction=windows_doors.search_climate