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Energy Rating System

Windows Energy Ratings Scheme

2008 WERS Certified Products Directory – NFRC

NOTES

  1. Uw is the whole window U-valueWindow Energy Rating
  2. SHGCw is the whole window solar heat gain coefficient
  3. Tvw is the whole window visible (light) transmittance
  4. Percentage improvement figures are compared with using base-case Generic Window 1 (3mm clear in standard aluminium frame)
  5. A negative percentage improvement figure indicates performance worse than the base-case window
  6. A positive percentage improvement figure indicates performance better than the base-case window
  7. Maximum air infiltration is 5.0L/s.m2 at a positive pressure difference of 75 Pa as measured according to AS 2047
  8. Static performance (Uw SHGCw Tvw Tdw) calculated using Window 5.2 and Therm 5.2 software (LBNL), 2000-2003
  9. Annual energy performance (stars and % improvements) is calculated using Nationwide House Energy Rating Software (AccuRate) according to procedures of WERS 2008.
  10. Results disclosed at National Fenestration Rating Council (NFRC) regulations.

 

Deceuninck Pty Ltd
Updated 10-Nov-08
Cool
%
Heat
%
Total Window – AFRC
Window ID
Glazing
Cooling Stars
Heating Stars
Uw
SHGC
Tvw
Air Inf
uPVC Awning Window – Double Glazed
DEC-001-01
4/14Ar/4
4 Star Rating 7 Star Rating
58%
73%
2.3
0.43
0.46
0.34
DEC-001-02
4EG/14Ar/4
5 Star Rating 6 Star Rating
69%
63%
2.3
0.27
0.38
0.34
DEC-001-03
4/14Ar/4EA
4 Star Rating 7 Star Rating
62%
77%
1.8
0.41
0.42
0.34
DEC-001-04
4EG/14Ar/4EA
6 Star Rating 6 Star Rating
74%
66%
1.8
0.23
0.35
0.34
DEC-001-05
4/16/4
4 Star Rating 6 Star Rating
58%
72%
2.4
0.43
0.46
0.34
DEC-001-06
4EG/16/4
5 Star Rating 6 Star Rating
68%
62%
2.4
0.27
0.38
0.34
DEC-001-07
4/16/6.38DLam
4 Star Rating 6 Star Rating
58%
72%
2.4
0.42
0.45
0.34
DEC-001-08
4/16/4EA
4 Star Rating 7 Star Rating
61%
75%
2.0
0.41
0.42
0.34
DEC-001-09
6.38CP/16/5
 Star Rating 6 Star Rating
71%
66%
2.0
0.25
0.30
0.34
DEC-001-10
6SCAz/12/5
4 Star Rating 5 Star Rating
78%
53%
2.4
0.13
0.13
0.34
uPVC Tilt and Turn Window – Double Glazed
DEC-002-01
4/14Ar/4
6 Star Rating
58%
73%
2.3
0.43
0.45
0.27
DEC-002-02
4EG/14Ar/4
6 Star Rating 6 Star Rating
69%
63%
2.3
0.26
0.38
0.27
DEC-002-03
4/14Ar/4EA
4 Star Rating 7 Star Rating
62%
76%
1.9
0.40
0.42
0.27
DEC-002-04
4EG/14Ar/4EA
6 Star Rating 6Star Rating
74%
66%
1.9
0.23
0.35
0.27
DEC-002-05
4/16/4
4 Star Rating 6 Star Rating
58%
72%
2.4
0.43
0.45
0.27
DEC-002-06
4EG/16/4
5 Star Rating 6 Star Rating
69%
62%
2.4
0.27
0.38
0.27
DEC-002-07
4/16/6.38DLam
4 Star Rating 6 Star Rating
58%
72%
2.4
0.42
0.45
0.27
DEC-002-08
4/16/4EA
4 Star Rating 7 Star Rating
62%
75%
2.0
0.40
0.42
0.27
DEC-002-09
6.38CP/16/5
5 Star Rating 6 Star Rating
72%
66%
2.0
0.25
0.30
0.27
DEC-002-10
6SCAz/12/5
6 Star Rating 5 Star Rating
78%
53%
2.4
0.13
0.13
0.27