Clear Openings/Egress

Heritage Series Sterling Double Hung
Sterling Double Hung Segment Heads and Ultra Series Pocket Double Hung Segment Heads
Frame Size Glass Size Clear Opening Sash Size
Width (in.) Height (in.) Segment Drop (in.) Width (in.) Height (in.) Daylight Area (ft²) Vent Area (ft²) Frame Area (ft²) Width (in.) Height (in.) Area (ft²) Meets Most EER Codes Width (in.) Height (in.)
21-1/2 36-7/16 4 16 14 2.71 1.06 5.44 17-31/32 8-1/2 1.06 No 20 34
21-1/2 40-7/16 4 16 16 3.13 1.3 6.04 17-31/32 10-15/32 1.3 No 20 38
21-1/2 48-7/16 4 16 20 3.96 1.8 7.23 17-31/32 14-13/32 1.8 No 20 46
21-1/2 52-7/16 4 16 22 4.38 2.04 7.83 17-31/32 16-3/8 2.04 No 20 50
21-1/2 56-7/16 4 16 24 4.79 2.29 8.43 17-31/32 18-11/32 2.29 No 20 54
21-1/2 60-7/16 4 16 26 5.21 2.53 9.02 17-31/32 20-5/16 2.53 No 20 58
21-1/2 64-7/16 4 16 28 5.63 2.78 9.62 17-31/32 22-5/16 2.78 No 20 62
21-1/2 68-7/16 4 16 30 6.04 3.03 10.22 17-31/32 24-9/32 3.03 No 20 66
21-1/2 72-7/16 4 16 32 6.46 3.28 10.82 17-31/32 26-9/32 3.28 No 20 70
21-1/2 76-7/16 4 16 34 6.88 3.53 11.41 17-31/32 28-1/4 3.53 No 20 74
21-1/2 80-7/16 4 16 36 7.29 3.77 12.01 17-31/32 30-1/4 3.77 No 20 78
25-1/2 36-7/16 4 20 14 3.43 1.3 6.45 21-31/32 8-1/2 1.3 No 24 34
25-1/2 40-7/16 4 20 16 3.96 1.59 7.16 21-31/32 10-15/32 1.59 No 24 38
25-1/2 48-7/16 4 20 20 5.01 2.2 8.58 21-31/32 14-13/32 2.2 No 24 46
25-1/2 52-7/16 4 20 22 5.54 2.5 9.29 21-31/32 16-3/8 2.5 No 24 50
25-1/2 56-7/16 4 20 24 6.07 2.8 9.99 21-31/32 18-11/32 2.8 No 24 54
25-1/2 60-7/16 4 20 26 6.6 3.1 10.7 21-31/32 20-5/16 3.1 No 24 58
25-1/2 64-7/16 4 20 28 7.13 3.4 11.41 21-31/32 22-5/16 3.4 No 24 62
25-1/2 68-7/16 4 20 30 7.65 3.7 12.12 21-31/32 24-9/32 3.7 No 24 66
25-1/2 72-7/16 4 20 32 8.18 4.01 12.83 21-31/32 26-9/32 4.01 No 24 70
25-1/2 76-7/16 4 20 34 8.71 4.31 13.54 21-31/32 28-1/4 4.31 No 24 74
25-1/2 80-7/16 4 20 36 9.24 4.61 14.24 21-31/32 30-1/4 4.61 No 24 78
29-1/2 36-7/16 5 24 14 4.15 1.37 7.46 25-31/32 7-19/32 1.37 No 28 34
29-1/2 40-7/16 5 24 16 4.79 1.72 8.28 25-31/32 9-9/16 1.72 No 28 38
29-1/2 48-7/16 5 24 20 6.07 2.43 9.92 25-31/32 13-15/32 2.43 No 28 46
29-1/2 52-7/16 5 24 22 6.71 2.78 10.74 25-31/32 15-7/16 2.78 No 28 50
29-1/2 56-7/16 5 24 24 7.35 3.14 11.56 25-31/32 17-7/16 3.14 No 28 54
29-1/2 60-7/16 5 24 26 7.99 3.5 12.38 25-31/32 19-13/32 3.5 No 28 58
29-1/2 64-7/16 5 24 28 8.63 3.85 13.2 25-31/32 21-3/8 3.85 No 28 62
29-1/2 68-7/16 5 24 30 9.26 4.21 14.02 25-31/32 23-3/8 4.21 No 28 66
29-1/2 72-7/16 5 24 32 9.9 4.57 14.84 25-31/32 25-11/32 4.57 No 28 70
29-1/2 76-7/16 5 24 34 10.54 4.93 15.66 25-31/32 27-5/16 4.93 No 28 74
29-1/2 80-7/16 5 24 36 11.18 5.28 16.48 25-31/32 29-5/16 5.28 No 28 78
31-1/2 36-7/16 5 26 14 4.51 1.47 7.97 27-31/32 7-19/32 1.47 No 30 34
31-1/2 40-7/16 5 26 16 5.21 1.85 8.85 27-31/32 9-9/16 1.85 No 30 38
31-1/2 48-7/16 5 26 20 6.6 2.62 10.6 27-31/32 13-15/32 2.62 No 30 46
31-1/2 52-7/16 5 26 22 7.29 3 11.47 27-31/32 15-7/16 3 No 30 50
31-1/2 56-7/16 5 26 24 7.99 3.38 12.35 27-31/32 17-7/16 3.38 No 30 54
31-1/2 60-7/16 5 26 26 8.68 3.77 13.22 27-31/32 19-13/32 3.77 No 30 58
31-1/2 64-7/16 5 26 28 9.38 4.15 14.1 27-31/32 21-3/8 4.15 No 30 62
31-1/2 68-7/16 5 26 30 10.07 4.54 14.97 27-31/32 23-3/8 4.54 No 30 66
31-1/2 72-7/16 5 26 32 10.76 4.92 15.85 27-31/32 25-11/32 4.92 No 30 70
31-1/2 76-7/16 5 26 34 11.46 5.3 16.72 27-31/32 27-5/16 5.3 No 30 74
31-1/2 80-7/16 5 26 36 12.15 5.69 17.6 27-31/32 29-5/16 5.69 No 30 78
33-1/2 36-7/16 5 28 14 4.88 1.58 8.48 27-31/32 7-19/32 1.58 No 32 34
33-1/2 40-7/16 5 28 16 5.63 1.99 9.41 29-31/32 9-9/16 1.99 No 32 38
33-1/2 48-7/16 5 28 20 7.13 2.8 11.27 29-31/32 13-15/32 2.8 No 32 46
33-1/2 52-7/16 5 28 22 7.88 3.21 12.2 29-31/32 15-7/16 3.21 No 32 50
33-1/2 56-7/16 5 28 24 8.63 3.63 13.13 29-31/32 17-7/16 3.63 No 32 54
33-1/2 60-7/16 5 28 26 9.38 4.04 14.06 29-31/32 19-13/32 4.04 No 32 58
33-1/2 64-7/16 5 28 28 10.13 4.45 14.99 29-31/32 21-3/8 4.45 No 32 62
33-1/2 68-7/16 5 28 30 10.88 4.86 15.92 29-31/32 23-3/8 4.86 No 32 66
33-1/2 72-7/16 5 28 32 11.63 5.27 16.85 29-31/32 25-11/32 5.27 No 32 70
33-1/2 76-7/16 5 28 34 12.38 5.68 17.78 29-31/32 27-5/16 5.68 No 32 74
33-1/2 80-7/16 5 28 36 13.13 6.1 18.71 29-31/32 29-5/16 6.1 No 32 78
35-1/2 36-7/16 5 30 14 5.24 1.69 8.98 31-31/32 7-19/32 1.69 No 34 34
35-1/2 40-7/16 5 30 16 6.04 2.12 9.97 31-31/32 9-9/16 2.12 No 34 38
35-1/2 48-7/16 5 30 20 7.65 2.99 11.94 31-31/32 13-15/32 2.99 No 34 46
35-1/2 52-7/16 5 30 22 8.46 3.43 12.93 31-31/32 15-7/16 3.43 No 34 50
35-1/2 56-7/16 5 30 24 9.26 3.87 13.91 31-31/32 17-7/16 3.87 No 34 54
35-1/2 60-7/16 5 30 26 10.07 4.3 14.9 31-31/32 19-13/32 4.3 No 34 58
35-1/2 64-7/16 5 30 28 10.88 4.75 15.89 31-31/32 21-3/8 4.75 No 34 62
35-1/2 68-7/16 5 30 30 11.68 5.19 16.87 31-31/32 23-3/8 5.19 No 34 66
35-1/2 72-7/16 5 30 32 12.49 5.62 17.86 31-31/32 25-11/32 5.62 No 34 70
35-1/2 76-7/16 5 30 34 13.29 6.06 18.84 31-31/32 27-5/16 6.06 No 34 74
35-1/2 80-7/16 5 30 36 14.1 6.5 19.83 31-31/32 29-5/16 6.5 No 34 78
37-1/2 36-7/16 6 32 14 5.6 1.58 9.49 33-31/32 6-11/16 1.58 No 36 34
37-1/2 40-7/16 6 32 16 6.46 2.04 10.53 33-31/32 8-21/32 2.04 No 36 38
37-1/2 48-7/16 6 32 20 8.18 2.96 12.61 33-31/32 12-21/32 2.96 No 36 46
37-1/2 52-7/16 6 32 22 9.04 3.42 13.66 33-31/32 14-17/32 3.42 No 36 50
37-1/2 56-7/16 6 32 24 9.9 3.89 14.7 33-31/32 16-1/2 3.89 No 36 54
37-1/2 60-7/16 6 32 26 10.76 4.36 15.74 33-31/32 18-15/32 4.36 No 36 58
37-1/2 64-7/16 6 32 28 11.63 4.82 16.78 33-31/32 20-7/16 4.82 No 36 62
37-1/2 68-7/16 6 32 30 12.49 5.29 17.82 33-31/32 22-7/16 5.29 No 36 66
37-1/2 72-7/16 6 32 32 13.35 5.75 18.86 33-31/32 24-13/32 5.75 No 36 70
37-1/2 76-7/16 6 32 34 14.21 6.22 19.91 33-31/32 26-3/8 6.22 No 36 74
37-1/2 80-7/16 6 32 36 15.07 6.69 20.95 33-31/32 28-3/8 6.69 No 36 78
41-1/2 36-7/16 6 36 14 6.32 1.76 10.5 37-31/32 6-11/16 1.76 No 40 34
41-1/2 40-7/16 6 36 16 7.29 2.28 11.65 37-31/32 8-21/32 2.28 No 40 38
41-1/2 48-7/16 6 36 20 9.24 3.31 13.96 37-31/32 12-21/32 3.31 No 40 46
41-1/2 52-7/16 6 36 22 10.21 3.83 15.11 37-31/32 14-17/32 3.83 No 40 50
41-1/2 56-7/16 6 36 24 11.18 4.35 16.26 37-31/32 16-1/2 4.35 No 40 54
41-1/2 60-7/16 6 36 26 12.15 4.87 17.42 37-31/32 18-15/32 4.87 No 40 58
41-1/2 64-7/16 6 36 28 13.13 5.39 18.57 37-31/32 20-7/16 5.39 No 40 62
41-1/2 68-7/16 6 36 30 14.1 5.91 19.72 37-31/32 22-7/16 5.91 No 40 66
41-1/2 72-7/16 6 36 32 15.07 6.43 20.88 37-31/32 24-13/32 6.43 No 40 70
41-1/2 76-7/16 6 36 34 16.04 6.95 22.03 37-31/32 26-3/8 6.95 No 40 74
41-1/2 80-7/16 6 36 36 17.01 7.48 23.18 37-31/32 28-3/8 7.48 No 40 78
45-1/2 36-7/16 7 40 14 7.04 1.68 11.51 41-31/32 5-25/32 1.68 No 44 34
45-1/2 40-7/16 7 40 16 8.13 2.25 12.78 41-31/32 7-23/32 2.25 No 44 38
45-1/2 48-7/16 7 40 20 10.29 3.39 15.3 41-31/32 11-5/8 3.39 No 44 46
45-1/2 52-7/16 7 40 22 11.38 3.96 16.57 41-31/32 13-19/32 3.96 No 44 50
45-1/2 56-7/16 7 40 24 12.46 4.54 17.83 41-31/32 15-9/16 4.54 No 44 54
45-1/2 60-7/16 7 40 26 13.54 5.11 19.1 41-31/32 17-17/32 5.11 No 44 58
45-1/2 64-7/16 7 40 28 14.63 5.68 20.36 41-31/32 19-1/2 5.68 No 44 62
45-1/2 68-7/16 7 40 30 15.71 6.26 21.62 41-31/32 21-15/32 6.26 No 44 66
45-1/2 72-7/16 7 40 32 16.79 6.84 22.89 41-31/32 23-15/32 6.84 No 44 70
45-1/2 76-7/16 7 40 34 17.88 7.41 24.15 41-31/32 25-7/16 7.41 No 44 74
45-1/2 80-7/16 7 40 36 18.96 7.99 25.42 41-31/32 27-13/32 7.99 No 44 78
Heritage Series Sterling Double Hung
Sterling Cottage Style DH High and Impact Performance (Standard or Reverse Cottage)
Frame Size Glass Size Area Size Clear Opening Cottage-Style Sash Opening Additional Details
Width (in.) Height (in.) Width (in.) Height (in.) Bottom Sash Height Daylight (ft²) Vent (ft²) Frame (ft²) Width (in.) Height (in.) Area (ft²) Meets Most EER Codes Top Sash Glass % Bottom Sash Glass % Width (in.) Height (in.)
21-1/2 68-7/16 16 24 36 6.04 2.73 10.22 17-31/32 21-7/8 2.73 No 0.4 0.6 20 66
25-1/2 68-7/16 20 24 36 7.65 3.34 12.12 21-31/32 21-7/8 3.34 No 0.4 0.6 24 66
29-1/2 68-7/16 24 24 36 9.26 3.94 14.02 25-31/32 21-7/8 3.94 No 0.4 0.6 28 66
33-1/2 68-7/16 28 24 36 10.88 4.55 15.92 29-31/32 21-7/8 4.55 No 0.4 0.6 32 66
37-1/2 68-7/16 32 24 36 12.49 5.16 17.82 33-31/32 21-7/8 5.16 No 0.4 0.6 36 66
41-1/2 68-7/16 36 24 36 14.1 5.77 19.72 37-31/32 21-7/8 5.77 No 0.4 0.6 40 66
45-1/2 68-7/16 40 24 36 15.71 6.38 21.62 41-31/32 21-7/8 6.38 No 0.4 0.6 44 66
Heritage Series Sterling Double Hung
Sterling Cottage Style DH Standard Performance (Standard or Reverse Cottage)
Frame Size Glass Size Area Size Clear Opening Cottage-Style Sash Opening Additional Details
Width (in.) Height (in.) Width (in.) Height (in.) Bottom Sash Height Daylight (ft²) Vent (ft²) Frame (ft²) Width (in.) Height (in.) Area (ft²) Meets Most EER Codes Top Sash Glass % Bottom Sash Glass % Width (in.) Height (in.)
21-1/2 68-7/16 16 24 36 6.04 2.79 10.22 17-31/32 22-3/8 2.79 No 0.4 0.6 20 66
25-1/2 68-7/16 20 24 36 7.65 3.41 12.12 21-31/32 22-3/8 3.41 No 0.4 0.6 24 66
29-1/2 68-7/16 24 24 36 9.26 4.04 14.02 25-31/32 22-3/8 4.04 No 0.4 0.6 28 66
31-1/2 68-7/16 26 24 36 10.07 4.35 14.97 27-31/32 22-3/8 4.35 No 0.4 0.6 30 66
33-1/2 68-7/16 28 24 36 10.88 4.66 15.92 29-31/32 22-3/8 4.66 No 0.4 0.6 32 66
35-1/2 68-7/16 30 24 36 11.68 4.97 16.87 31-31/32 22-3/8 4.97 No 0.4 0.6 34 66
37-1/2 68-7/16 32 24 36 12.49 5.28 17.82 33-31/32 22-3/8 5.28 No 0.4 0.6 36 66
41-1/2 68-7/16 36 24 36 14.1 5.9 19.72 37-31/32 22-3/8 5.9 No 0.4 0.6 40 66
45-1/2 68-7/16 40 24 36 15.71 6.52 21.62 41-31/32 22-3/8 6.52 No 0.4 0.6 44 66
Heritage Series Sterling Double Hung
Sterling Cottage Style DH with Class 5 Balances High and Impact Performance (Standard or Reverse Cottage)
Frame Size Glass Size Area Size Clear Opening Cottage-Style Sash Opening Additional Details
Width (in.) Height (in.) Width (in.) Height (in.) Bottom Sash Height Daylight (ft²) Vent (ft²) Frame (ft²) Width (in.) Height (in.) Area (ft²) Meets Most EER Codes Top Sash Glass % Bottom Sash Glass % Width (in.) Height (in.)
21-1/2 68-7/16 16 24 36 6.04 2.48 10.22 17-31/32 19-7/8 2.48 No 0.4 0.6 20 66
25-1/2 68-7/16 20 24 36 7.65 3.03 12.12 21-31/32 19-7/8 3.03 No 0.4 0.6 24 66
29-1/2 68-7/16 24 24 36 9.26 3.58 14.02 25-31/32 19-7/8 3.58 No 0.4 0.6 28 66
33-1/2 68-7/16 28 24 36 10.88 4.14 15.92 29-31/32 19-7/8 4.14 No 0.4 0.6 32 66
37-1/2 68-7/16 32 24 36 12.49 4.69 17.82 33-31/32 19-7/8 4.69 No 0.4 0.6 36 66
41-1/2 68-7/16 36 24 36 14.1 5.24 19.72 37-31/32 19-7/8 5.24 No 0.4 0.6 40 66
45-1/2 68-7/16 40 24 36 15.71 5.79 21.62 41-31/32 19-7/8 5.79 No 0.4 0.6 44 66
Heritage Series Sterling Double Hung
Sterling Cottage Style DH with Class 5 Balances Standard Performance (Standard or Reverse Cottage)
Frame Size Glass Size Area Size Clear Opening Cottage-Style Sash Opening Additional Details
Width (in.) Height (in.) Width (in.) Height (in.) Bottom Sash Height Daylight (ft²) Vent (ft²) Frame (ft²) Width (in.) Height (in.) Area (ft²) Meets Most EER Codes Top Sash Glass % Bottom Sash Glass % Width (in.) Height (in.)
21-1/2 68-7/16 16 24 36 6.04 2.54 10.22 17-31/32 20-3/8 2.54 No 0.4 0.6 20 66
25-1/2 68-7/16 20 24 36 7.65 3.11 12.12 21-31/32 20-3/8 3.11 No 0.4 0.6 24 66
29-1/2 68-7/16 24 24 36 9.26 3.67 14.02 25-31/32 20-3/8 3.67 No 0.4 0.6 28 66
31-1/2 68-7/16 26 24 36 10.07 3.96 14.97 27-31/32 20-3/8 3.96 No 0.4 0.6 30 66
33-1/2 68-7/16 28 24 36 10.88 4.24 15.92 29-31/32 20-3/8 4.24 No 0.4 0.6 32 66
35-1/2 68-7/16 30 24 36 11.68 4.52 16.87 31-31/32 20-3/8 4.52 No 0.4 0.6 34 66
37-1/2 68-7/16 32 24 36 12.49 4.81 17.82 33-31/32 20-3/8 4.81 No 0.4 0.6 36 66
41-1/2 68-7/16 36 24 36 14.1 5.37 19.72 37-31/32 20-3/8 5.37 No 0.4 0.6 40 66
45-1/2 68-7/16 40 24 36 15.71 5.94 21.62 41-31/32 20-3/8 5.94 No 0.4 0.6 44 66
Heritage Series Sterling Double Hung
Sterling DH High and Impact Performance
Frame Size Glass Size Clear Opening Sash Size Additional Details
Width (in.) Height (in.) Width (in.) Height (in.) Daylight Area (ft²) Vent Area (ft²) Frame Area (ft²) Width (in.) Height (in.) Area (ft²) Meets Most EER Codes Width (in.) Height (in.)
21-1/2 36-7/16 16 14 2.71 1.48 5.44 17-31/32 11-7/8 1.48 No 20 34
21-1/2 40-7/16 16 16 3.12 1.73 6.04 17-31/32 13-7/8 1.73 No 20 38
21-1/2 48-7/16 16 20 3.96 2.23 7.23 17-31/32 17-7/8 2.23 No 20 46
21-1/2 52-7/16 16 22 4.38 2.48 7.83 17-31/32 19-7/8 2.48 No 20 50
21-1/2 56-7/16 16 24 4.79 2.73 8.43 17-31/32 21-7/8 2.73 No 20 54
21-1/2 60-7/16 16 26 5.21 2.98 9.02 17-31/32 23-7/8 2.98 No 20 58
21-1/2 64-7/16 16 28 5.62 3.23 9.62 17-31/32 25-7/8 3.23 No 20 62
21-1/2 68-7/16 16 30 6.04 3.48 10.22 17-31/32 27-7/8 3.48 No 20 66
21-1/2 72-7/16 16 32 6.46 3.73 10.82 17-31/32 29-7/8 3.73 No 20 70
21-1/2 76-7/16 16 34 6.88 3.98 11.41 17-31/32 31-7/8 3.98 No 20 74
21-1/2 80-7/16 16 36 7.29 4.23 12.01 17-31/32 33-7/8 4.23 No 20 78
25-1/2 36-7/16 20 14 3.43 1.81 6.45 21-31/32 11-7/8 1.81 No 24 34
25-1/2 40-7/16 20 16 3.96 2.12 7.16 21-31/32 13-7/8 2.12 No 24 38
25-1/2 48-7/16 20 20 5.01 2.73 8.58 21-31/32 17-7/8 2.73 No 24 46
25-1/2 52-7/16 20 22 5.54 3.03 9.29 21-31/32 19-7/8 3.03 No 24 50
25-1/2 56-7/16 20 24 6.07 3.34 9.99 21-31/32 21-7/8 3.34 No 24 54
25-1/2 60-7/16 20 26 6.6 3.64 10.7 21-31/32 23-7/8 3.64 No 24 58
25-1/2 64-7/16 20 28 7.12 3.95 11.41 21-31/32 25-7/8 3.95 No 24 62
25-1/2 68-7/16 20 30 7.65 4.25 12.12 21-31/32 27-7/8 4.25 No 24 66
25-1/2 72-7/16 20 32 8.18 4.56 12.83 21-31/32 29-7/8 4.56 No 24 70
25-1/2 76-7/16 20 34 8.71 4.86 13.54 21-31/32 31-7/8 4.86 No 24 74
25-1/2 80-7/16 20 36 9.24 5.17 14.24 21-31/32 33-7/8 5.17 No 24 78
29-1/2 36-7/16 24 14 4.15 2.14 7.46 25-31/32 11-7/8 2.14 No 28 34
29-1/2 40-7/16 24 16 4.79 2.5 8.28 25-31/32 13-7/8 2.5 No 28 38
29-1/2 48-7/16 24 20 6.07 3.22 9.92 25-31/32 17-7/8 3.22 No 28 46
29-1/2 52-7/16 24 22 6.71 3.58 10.74 25-31/32 19-7/8 3.58 No 28 50
29-1/2 56-7/16 24 24 7.35 3.94 11.56 25-31/32 21-7/8 3.94 No 28 54
29-1/2 60-7/16 24 26 7.99 4.31 12.38 25-31/32 23-7/8 4.31 No 28 58
29-1/2 64-7/16 24 28 8.62 4.67 13.2 25-31/32 25-7/8 4.67 No 28 62
29-1/2 68-7/16 24 30 9.26 5.03 14.02 25-31/32 27-7/8 5.03 No 28 66
29-1/2 72-7/16 24 32 9.9 5.39 14.84 25-31/32 29-7/8 5.39 No 28 70
29-1/2 76-7/16 24 34 10.54 5.75 15.66 25-31/32 31-7/8 5.75 Yes 28 74
29-1/2 80-7/16 24 36 11.18 6.11 16.48 25-31/32 33-7/8 6.11 Yes 28 78
31-1/2 36-7/16 26 14 4.51 2.31 7.97 27-31/32 11-7/8 2.31 No 30 34
31-1/2 40-7/16 26 16 5.21 2.69 8.85 27-31/32 13-7/8 2.69 No 30 38
31-1/2 48-7/16 26 20 6.6 3.47 10.6 27-31/32 17-7/8 3.47 No 30 46
31-1/2 52-7/16 26 22 7.29 3.86 11.47 27-31/32 19-7/8 3.86 No 30 50
31-1/2 56-7/16 26 24 7.99 4.25 12.35 27-31/32 21-7/8 4.25 No 30 54
31-1/2 60-7/16 26 26 8.68 4.64 13.22 27-31/32 23-7/8 4.64 No 30 58
31-1/2 64-7/16 26 28 9.38 5.03 14.1 27-31/32 25-7/8 5.03 No 30 62
31-1/2 68-7/16 26 30 10.07 5.41 14.97 27-31/32 27-7/8 5.41 No 30 66
31-1/2 72-7/16 26 32 10.76 5.8 15.85 27-31/32 29-7/8 5.8 Yes 30 70
31-1/2 76-7/16 26 34 11.46 6.19 16.72 27-31/32 31-7/8 6.19 Yes 30 74
31-1/2 80-7/16 26 36 12.15 6.58 17.6 27-31/32 33-7/8 6.58 Yes 30 78
33-1/2 36-7/16 28 14 4.88 2.47 8.48 29-31/32 11-7/8 2.47 No 32 34
33-1/2 40-7/16 28 16 5.62 2.89 9.41 29-31/32 13-7/8 2.89 No 32 38
33-1/2 48-7/16 28 20 7.12 3.72 11.27 29-31/32 17-7/8 3.72 No 32 46
33-1/2 52-7/16 28 22 7.88 4.14 12.2 29-31/32 19-7/8 4.14 No 32 50
33-1/2 56-7/16 28 24 8.62 4.55 13.13 29-31/32 21-7/8 4.55 No 32 54
33-1/2 60-7/16 28 26 9.38 4.97 14.06 29-31/32 23-7/8 4.97 No 32 58
33-1/2 64-7/16 28 28 10.12 5.39 14.99 29-31/32 25-7/8 5.39 No 32 62
33-1/2 68-7/16 28 30 10.88 5.8 15.92 29-31/32 27-7/8 5.8 Yes 32 66
33-1/2 72-7/16 28 32 11.62 6.22 16.85 29-31/32 29-7/8 6.22 Yes 32 70
33-1/2 76-7/16 28 34 12.38 6.63 17.78 29-31/32 31-7/8 6.63 Yes 32 74
33-1/2 80-7/16 28 36 13.12 7.05 18.71 29-31/32 33-7/8 7.05 Yes 32 78
35-1/2 36-7/16 30 14 5.24 2.64 8.98 31-31/32 11-7/8 2.64 No 34 34
35-1/2 40-7/16 30 16 6.04 3.08 9.97 31-31/32 13-7/8 3.08 No 34 38
35-1/2 48-7/16 30 20 7.65 3.97 11.94 31-31/32 17-7/8 3.97 No 34 46
35-1/2 52-7/16 30 22 8.46 4.41 12.93 31-31/32 19-7/8 4.41 No 34 50
35-1/2 56-7/16 30 24 9.26 4.86 13.91 31-31/32 21-7/8 4.86 No 34 54
35-1/2 60-7/16 30 26 10.07 5.3 14.9 31-31/32 23-7/8 5.3 No 34 58
35-1/2 64-7/16 30 28 10.88 5.74 15.89 31-31/32 25-7/8 5.74 Yes 34 62
35-1/2 68-7/16 30 30 11.68 6.19 16.87 31-31/32 27-7/8 6.19 Yes 34 66
35-1/2 72-7/16 30 32 12.49 6.63 17.86 31-31/32 29-7/8 6.63 Yes 34 70
35-1/2 76-7/16 30 34 13.29 7.08 18.84 31-31/32 31-7/8 7.08 Yes 34 74
35-1/2 80-7/16 30 36 14.1 7.52 19.83 31-31/32 33-7/8 7.52 Yes 34 78
37-1/2 36-7/16 32 14 5.6 2.8 9.49 33-31/32 11-7/8 2.8 No 36 34
37-1/2 40-7/16 32 16 6.46 3.27 10.53 33-31/32 13-7/8 3.27 No 36 38
37-1/2 48-7/16 32 20 8.18 4.22 12.61 33-31/32 17-7/8 4.22 No 36 46
37-1/2 52-7/16 32 22 9.04 4.69 13.66 33-31/32 19-7/8 4.69 No 36 50
37-1/2 56-7/16 32 24 9.9 5.16 14.7 33-31/32 21-7/8 5.16 No 36 54
37-1/2 60-7/16 32 26 10.76 5.63 15.74 33-31/32 23-7/8 5.63 No 36 58
37-1/2 64-7/16 32 28 11.62 6.1 16.78 33-31/32 25-7/8 6.1 Yes 36 62
37-1/2 68-7/16 32 30 12.49 6.58 17.82 33-31/32 27-7/8 6.58 Yes 36 66
37-1/2 72-7/16 32 32 13.35 7.05 18.86 33-31/32 29-7/8 7.05 Yes 36 70
37-1/2 76-7/16 32 34 14.21 7.52 19.91 33-31/32 31-7/8 7.52 Yes 36 74
37-1/2 80-7/16 32 36 15.07 7.99 20.95 33-31/32 33-7/8 7.99 Yes 36 78
41-1/2 36-7/16 36 14 6.32 3.13 10.5 37-31/32 11-7/8 3.13 No 40 34
41-1/2 40-7/16 36 16 7.29 3.66 11.65 37-31/32 13-7/8 3.66 No 40 38
41-1/2 48-7/16 36 20 9.24 4.71 13.96 37-31/32 17-7/8 4.71 No 40 46
41-1/2 52-7/16 36 22 10.21 5.24 15.11 37-31/32 19-7/8 5.24 No 40 50
41-1/2 56-7/16 36 24 11.18 5.77 16.26 37-31/32 21-7/8 5.77 No 40 54
41-1/2 60-7/16 36 26 12.15 6.3 17.42 37-31/32 23-7/8 6.3 No 40 58
41-1/2 64-7/16 36 28 13.12 6.82 18.57 37-31/32 25-7/8 6.82 Yes 40 62
41-1/2 68-7/16 36 30 14.1 7.35 19.72 37-31/32 27-7/8 7.35 Yes 40 66
41-1/2 72-7/16 36 32 15.07 7.88 20.88 37-31/32 29-7/8 7.88 Yes 40 70
41-1/2 76-7/16 36 34 16.04 8.4 22.03 37-31/32 31-7/8 8.4 Yes 40 74
41-1/2 80-7/16 36 36 17.01 8.93 23.18 37-31/32 33-7/8 8.93 Yes 40 78
45-1/2 36-7/16 40 14 7.04 3.46 11.51 41-31/32 11-7/8 3.46 No 44 34
45-1/2 40-7/16 40 16 8.12 4.04 12.78 41-31/32 13-7/8 4.04 No 44 38
45-1/2 48-7/16 40 20 10.29 5.21 15.3 41-31/32 17-7/8 5.21 No 44 46
45-1/2 52-7/16 40 22 11.38 5.79 16.57 41-31/32 19-7/8 5.79 No 44 50
45-1/2 56-7/16 40 24 12.46 6.38 17.83 41-31/32 21-7/8 6.38 No 44 54
45-1/2 60-7/16 40 26 13.54 6.96 19.1 41-31/32 23-7/8 6.96 No 44 58
45-1/2 64-7/16 40 28 14.62 7.54 20.36 41-31/32 25-7/8 7.54 Yes 44 62
45-1/2 68-7/16 40 30 15.71 8.12 21.62 41-31/32 27-7/8 8.12 Yes 44 66
45-1/2 72-7/16 40 32 16.79 8.71 22.89 41-31/32 29-7/8 8.71 Yes 44 70
45-1/2 76-7/16 40 34 17.88 9.29 24.15 41-31/32 31-7/8 9.29 Yes 44 74
45-1/2 80-7/16 40 36 18.96 9.87 25.42 41-31/32 33-7/8 9.87 Yes 44 78
Heritage Series Sterling Double Hung
Sterling DH Standard Performance
Frame Size Glass Size Clear Opening Sash Size Additional Details
Width (in.) Height (in.) Width (in.) Height (in.) Daylight Area (ft²) Vent Area (ft²) Frame Area (ft²) Width (in.) Height (in.) Area (ft²) Meets Most EER Codes Width (in.) Height (in.)
21-1/2 36-7/16 16 14 2.71 1.54 5.44 17-31/32 12-3/8 1.54 No 20 34
21-1/2 40-7/16 16 16 3.12 1.79 6.04 17-31/32 14-3/8 1.79 No 20 38
21-1/2 48-7/16 16 20 3.96 2.29 7.23 17-31/32 18-3/8 2.29 No 20 46
21-1/2 52-7/16 16 22 4.38 2.54 7.83 17-31/32 20-3/8 2.54 No 20 50
21-1/2 56-7/16 16 24 4.79 2.79 8.43 17-31/32 22-3/8 2.79 No 20 54
21-1/2 60-7/16 16 26 5.21 3.04 9.02 17-31/32 24-3/8 3.04 No 20 58
21-1/2 64-7/16 16 28 5.62 3.29 9.62 17-31/32 26-3/8 3.29 No 20 62
21-1/2 68-7/16 16 30 6.04 3.54 10.22 17-31/32 28-3/8 3.54 No 20 66
21-1/2 72-7/16 16 32 6.46 3.79 10.82 17-31/32 30-3/8 3.79 No 20 70
21-1/2 76-7/16 16 34 6.88 4.04 11.41 17-31/32 32-3/8 4.04 No 20 74
21-1/2 80-7/16 16 36 7.29 4.29 12.01 17-31/32 34-3/8 4.29 No 20 78
25-1/2 36-7/16 20 14 3.43 1.89 6.45 21-31/32 12-3/8 1.89 No 24 34
25-1/2 40-7/16 20 16 3.96 2.19 7.16 21-31/32 14-3/8 2.19 No 24 38
25-1/2 48-7/16 20 20 5.01 2.8 8.58 21-31/32 18-3/8 2.8 No 24 46
25-1/2 52-7/16 20 22 5.54 3.11 9.29 21-31/32 20-3/8 3.11 No 24 50
25-1/2 56-7/16 20 24 6.07 3.41 9.99 21-31/32 22-3/8 3.41 No 24 54
25-1/2 60-7/16 20 26 6.6 3.72 10.7 21-31/32 24-3/8 3.72 No 24 58
25-1/2 64-7/16 20 28 7.12 4.02 11.41 21-31/32 26-3/8 4.02 No 24 62
25-1/2 68-7/16 20 30 7.65 4.33 12.12 21-31/32 28-3/8 4.33 No 24 66
25-1/2 72-7/16 20 32 8.18 4.63 12.83 21-31/32 30-3/8 4.63 No 24 70
25-1/2 76-7/16 20 34 8.71 4.94 13.54 21-31/32 32-3/8 4.94 No 24 74
25-1/2 80-7/16 20 36 9.24 5.24 14.24 21-31/32 34-3/8 5.24 No 24 78
29-1/2 36-7/16 24 14 4.15 2.23 7.46 25-31/32 12-3/8 2.23 No 28 34
29-1/2 40-7/16 24 16 4.79 2.59 8.28 25-31/32 14-3/8 2.59 No 28 38
29-1/2 48-7/16 24 20 6.07 3.31 9.92 25-31/32 18-3/8 3.31 No 28 46
29-1/2 52-7/16 24 22 6.71 3.67 10.74 25-31/32 20-3/8 3.67 No 28 50
29-1/2 56-7/16 24 24 7.35 4.04 11.56 25-31/32 22-3/8 4.04 No 28 54
29-1/2 60-7/16 24 26 7.99 4.4 12.38 25-31/32 24-3/8 4.4 No 28 58
29-1/2 64-7/16 24 28 8.62 4.76 13.2 25-31/32 26-3/8 4.76 No 28 62
29-1/2 68-7/16 24 30 9.26 5.12 14.02 25-31/32 28-3/8 5.12 No 28 66
29-1/2 72-7/16 24 32 9.9 5.48 14.84 25-31/32 30-3/8 5.48 No 28 70
29-1/2 76-7/16 24 34 10.54 5.84 15.66 25-31/32 32-3/8 5.84 Yes 28 74
29-1/2 80-7/16 24 36 11.18 6.2 16.48 25-31/32 34-3/8 6.2 Yes 28 78
31-1/2 36-7/16 26 14 4.51 2.4 7.97 27-31/32 12-3/8 2.4 No 30 34
31-1/2 40-7/16 26 16 5.21 2.79 8.85 27-31/32 14-3/8 2.79 No 30 38
31-1/2 48-7/16 26 20 6.6 3.57 10.6 27-31/32 18-3/8 3.57 No 30 46
31-1/2 52-7/16 26 22 7.29 3.96 11.47 27-31/32 20-3/8 3.96 No 30 50
31-1/2 56-7/16 26 24 7.99 4.35 12.35 27-31/32 22-3/8 4.35 No 30 54
31-1/2 60-7/16 26 26 8.68 4.73 13.22 27-31/32 24-3/8 4.73 No 30 58
31-1/2 64-7/16 26 28 9.38 5.12 14.1 27-31/32 26-3/8 5.12 No 30 62
31-1/2 68-7/16 26 30 10.07 5.51 14.97 27-31/32 28-3/8 5.51 No 30 66
31-1/2 72-7/16 26 32 10.76 5.9 15.85 27-31/32 30-3/8 5.9 Yes 30 70
31-1/2 76-7/16 26 34 11.46 6.29 16.72 27-31/32 32-3/8 6.29 Yes 30 74
31-1/2 80-7/16 26 36 12.15 6.68 17.6 27-31/32 34-3/8 6.68 Yes 30 78
33-1/2 36-7/16 28 14 4.88 2.58 8.48 29-31/32 12-3/8 2.58 No 32 34
33-1/2 40-7/16 28 16 5.62 2.99 9.41 29-31/32 14-3/8 2.99 No 32 38
33-1/2 48-7/16 28 20 7.12 3.82 11.27 29-31/32 18-3/8 3.82 No 32 46
33-1/2 52-7/16 28 22 7.88 4.24 12.2 29-31/32 20-3/8 4.24 No 32 50
33-1/2 56-7/16 28 24 8.62 4.66 13.13 29-31/32 22-3/8 4.66 No 32 54
33-1/2 60-7/16 28 26 9.38 5.07 14.06 29-31/32 24-3/8 5.07 No 32 58
33-1/2 64-7/16 28 28 10.12 5.49 14.99 29-31/32 26-3/8 5.49 No 32 62
33-1/2 68-7/16 28 30 10.88 5.91 15.92 29-31/32 28-3/8 5.91 Yes 32 66
33-1/2 72-7/16 28 32 11.62 6.32 16.85 29-31/32 30-3/8 6.32 Yes 32 70
33-1/2 76-7/16 28 34 12.38 6.74 17.78 29-31/32 32-3/8 6.74 Yes 32 74
33-1/2 80-7/16 28 36 13.12 7.15 18.71 29-31/32 34-3/8 7.15 Yes 32 78
35-1/2 36-7/16 30 14 5.24 2.75 8.98 31-31/32 12-3/8 2.75 No 34 34
35-1/2 40-7/16 30 16 6.04 3.19 9.97 31-31/32 14-3/8 3.19 No 34 38
35-1/2 48-7/16 30 20 7.65 4.08 11.94 31-31/32 18-3/8 4.08 No 34 46
35-1/2 52-7/16 30 22 8.46 4.52 12.93 31-31/32 20-3/8 4.52 No 34 50
35-1/2 56-7/16 30 24 9.26 4.97 13.91 31-31/32 22-3/8 4.97 No 34 54
35-1/2 60-7/16 30 26 10.07 5.41 14.9 31-31/32 24-3/8 5.41 No 34 58
35-1/2 64-7/16 30 28 10.88 5.86 15.89 31-31/32 26-3/8 5.86 Yes 34 62
35-1/2 68-7/16 30 30 11.68 6.3 16.87 31-31/32 28-3/8 6.3 Yes 34 66
35-1/2 72-7/16 30 32 12.49 6.74 17.86 31-31/32 30-3/8 6.74 Yes 34 70
35-1/2 76-7/16 30 34 13.29 7.19 18.84 31-31/32 32-3/8 7.19 Yes 34 74
35-1/2 80-7/16 30 36 14.1 7.63 19.83 31-31/32 34-3/8 7.63 Yes 34 78
37-1/2 36-7/16 32 14 5.6 2.92 9.49 33-31/32 12-3/8 2.92 No 36 34
37-1/2 40-7/16 32 16 6.46 3.39 10.53 33-31/32 14-3/8 3.39 No 36 38
37-1/2 48-7/16 32 20 8.18 4.33 12.61 33-31/32 18-3/8 4.33 No 36 46
37-1/2 52-7/16 32 22 9.04 4.81 13.66 33-31/32 20-3/8 4.81 No 36 50
37-1/2 56-7/16 32 24 9.9 5.28 14.7 33-31/32 22-3/8 5.28 No 36 54
37-1/2 60-7/16 32 26 10.76 5.75 15.74 33-31/32 24-3/8 5.75 Yes 36 58
37-1/2 64-7/16 32 28 11.62 6.22 16.78 33-31/32 26-3/8 6.22 Yes 36 62
37-1/2 68-7/16 32 30 12.49 6.69 17.82 33-31/32 28-3/8 6.69 Yes 36 66
37-1/2 72-7/16 32 32 13.35 7.17 18.86 33-31/32 30-3/8 7.17 Yes 36 70
37-1/2 76-7/16 32 34 14.21 7.64 19.91 33-31/32 32-3/8 7.64 Yes 36 74
37-1/2 80-7/16 32 36 15.07 8.11 20.95 33-31/32 34-3/8 8.11 Yes 36 78
41-1/2 36-7/16 36 14 6.32 3.26 10.5 37-31/32 12-3/8 3.26 No 40 34
41-1/2 40-7/16 36 16 7.29 3.79 11.65 37-31/32 14-3/8 3.79 No 40 38
41-1/2 48-7/16 36 20 9.24 4.84 13.96 37-31/32 18-3/8 4.84 No 40 46
41-1/2 52-7/16 36 22 10.21 5.37 15.11 37-31/32 20-3/8 5.37 No 40 50
41-1/2 56-7/16 36 24 11.18 5.9 16.26 37-31/32 22-3/8 5.9 No 40 54
41-1/2 60-7/16 36 26 12.15 6.43 17.42 37-31/32 24-3/8 6.43 Yes 40 58
41-1/2 64-7/16 36 28 13.12 6.95 18.57 37-31/32 26-3/8 6.95 Yes 40 62
41-1/2 68-7/16 36 30 14.1 7.48 19.72 37-31/32 28-3/8 7.48 Yes 40 66
41-1/2 72-7/16 36 32 15.07 8.01 20.88 37-31/32 30-3/8 8.01 Yes 40 70
41-1/2 76-7/16 36 34 16.04 8.54 22.03 37-31/32 32-3/8 8.54 Yes 40 74
41-1/2 80-7/16 36 36 17.01 9.06 23.18 37-31/32 34-3/8 9.06 Yes 40 78
45-1/2 36-7/16 40 14 7.04 3.61 11.51 41-31/32 12-3/8 3.61 No 44 34
45-1/2 40-7/16 40 16 8.12 4.19 12.78 41-31/32 14-3/8 4.19 No 44 38
45-1/2 48-7/16 40 20 10.29 5.36 15.3 41-31/32 18-3/8 5.36 No 44 46
45-1/2 52-7/16 40 22 11.38 5.94 16.57 41-31/32 20-3/8 5.94 No 44 50
45-1/2 56-7/16 40 24 12.46 6.52 17.83 41-31/32 22-3/8 6.52 No 44 54
45-1/2 60-7/16 40 26 13.54 7.1 19.1 41-31/32 24-3/8 7.1 Yes 44 58
45-1/2 64-7/16 40 28 14.62 7.69 20.36 41-31/32 26-3/8 7.69 Yes 44 62
45-1/2 68-7/16 40 30 15.71 8.27 21.62 41-31/32 28-3/8 8.27 Yes 44 66
45-1/2 72-7/16 40 32 16.79 8.85 22.89 41-31/32 30-3/8 8.85 Yes 44 70
45-1/2 76-7/16 40 34 17.88 9.44 24.15 41-31/32 32-3/8 9.44 Yes 44 74
45-1/2 80-7/16 40 36 18.96 10.02 25.42 41-31/32 34-3/8 10.02 Yes 44 78
Heritage Series Sterling Double Hung
Sterling DH with Class 5 Balances High and Impact Performance
Frame Size Glass Size Clear Opening Sash Size Additional Details
Width (in.) Height (in.) Width (in.) Height (in.) Daylight Area (ft²) Vent Area (ft²) Frame Area (ft²) Width (in.) Height (in.) Area (ft²) Meets Most EER Codes Width (in.) Height (in.)
21-1/2 36-7/16 16 14 2.71 1.23 5.44 17-31/32 9-7/8 1.23 No 20 34
21-1/2 40-7/16 16 16 3.12 1.48 6.04 17-31/32 11-7/8 1.48 No 20 38
21-1/2 48-7/16 16 20 3.96 1.98 7.23 17-31/32 15-7/8 1.98 No 20 46
21-1/2 52-7/16 16 22 4.38 2.23 7.83 17-31/32 17-7/8 2.23 No 20 50
21-1/2 56-7/16 16 24 4.79 2.48 8.43 17-31/32 19-7/8 2.48 No 20 54
21-1/2 60-7/16 16 26 5.21 2.73 9.02 17-31/32 21-7/8 2.73 No 20 58
21-1/2 64-7/16 16 28 5.62 2.98 9.62 17-31/32 23-7/8 2.98 No 20 62
21-1/2 68-7/16 16 30 6.04 3.23 10.22 17-31/32 25-7/8 3.23 No 20 66
21-1/2 72-7/16 16 32 6.46 3.48 10.82 17-31/32 27-7/8 3.48 No 20 70
21-1/2 76-7/16 16 34 6.88 3.73 11.41 17-31/32 29-7/8 3.73 No 20 74
21-1/2 80-7/16 16 36 7.29 3.98 12.01 17-31/32 31-7/8 3.98 No 20 78
25-1/2 36-7/16 20 14 3.43 1.51 6.45 21-31/32 9-7/8 1.51 No 24 34
25-1/2 40-7/16 20 16 3.96 1.81 7.16 21-31/32 11-7/8 1.81 No 24 38
25-1/2 48-7/16 20 20 5.01 2.42 8.58 21-31/32 15-7/8 2.42 No 24 46
25-1/2 52-7/16 20 22 5.54 2.73 9.29 21-31/32 17-7/8 2.73 No 24 50
25-1/2 56-7/16 20 24 6.07 3.03 9.99 21-31/32 19-7/8 3.03 No 24 54
25-1/2 60-7/16 20 26 6.6 3.34 10.7 21-31/32 21-7/8 3.34 No 24 58
25-1/2 64-7/16 20 28 7.12 3.64 11.41 21-31/32 23-7/8 3.64 No 24 62
25-1/2 68-7/16 20 30 7.65 3.95 12.12 21-31/32 25-7/8 3.95 No 24 66
25-1/2 72-7/16 20 32 8.18 4.25 12.83 21-31/32 27-7/8 4.25 No 24 70
25-1/2 76-7/16 20 34 8.71 4.56 13.54 21-31/32 29-7/8 4.56 No 24 74
25-1/2 80-7/16 20 36 9.24 4.86 14.24 21-31/32 31-7/8 4.86 No 24 78
29-1/2 36-7/16 24 14 4.15 1.78 7.46 25-31/32 9-7/8 1.78 No 28 34
29-1/2 40-7/16 24 16 4.79 2.14 8.28 25-31/32 11-7/8 2.14 No 28 38
29-1/2 48-7/16 24 20 6.07 2.86 9.92 25-31/32 15-7/8 2.86 No 28 46
29-1/2 52-7/16 24 22 6.71 3.22 10.74 25-31/32 17-7/8 3.22 No 28 50
29-1/2 56-7/16 24 24 7.35 3.58 11.56 25-31/32 19-7/8 3.58 No 28 54
29-1/2 60-7/16 24 26 7.99 3.94 12.38 25-31/32 21-7/8 3.94 No 28 58
29-1/2 64-7/16 24 28 8.62 4.31 13.2 25-31/32 23-7/8 4.31 No 28 62
29-1/2 68-7/16 24 30 9.26 4.67 14.02 25-31/32 25-7/8 4.67 No 28 66
29-1/2 72-7/16 24 32 9.9 5.03 14.84 25-31/32 27-7/8 5.03 No 28 70
29-1/2 76-7/16 24 34 10.54 5.39 15.66 25-31/32 29-7/8 5.39 No 28 74
29-1/2 80-7/16 24 36 11.18 5.75 16.48 25-31/32 31-7/8 5.75 Yes 28 78
31-1/2 36-7/16 26 14 4.51 1.92 7.97 27-31/32 9-7/8 1.92 No 30 34
31-1/2 40-7/16 26 16 5.21 2.31 8.85 27-31/32 11-7/8 2.31 No 30 38
31-1/2 48-7/16 26 20 6.6 3.08 10.6 27-31/32 15-7/8 3.08 No 30 46
31-1/2 52-7/16 26 22 7.29 3.47 11.47 27-31/32 17-7/8 3.47 No 30 50
31-1/2 56-7/16 26 24 7.99 3.86 12.35 27-31/32 19-7/8 3.86 No 30 54
31-1/2 60-7/16 26 26 8.68 4.25 13.22 27-31/32 21-7/8 4.25 No 30 58
31-1/2 64-7/16 26 28 9.38 4.64 14.1 27-31/32 23-7/8 4.64 No 30 62
31-1/2 68-7/16 26 30 10.07 5.03 14.97 27-31/32 25-7/8 5.03 No 30 66
31-1/2 72-7/16 26 32 10.76 5.41 15.85 27-31/32 27-7/8 5.41 No 30 70
31-1/2 76-7/16 26 34 11.46 5.8 16.72 27-31/32 29-7/8 5.8 Yes 30 74
31-1/2 80-7/16 26 36 12.15 6.19 17.6 27-31/32 31-7/8 6.19 Yes 30 78
33-1/2 36-7/16 28 14 4.88 2.06 8.48 29-31/32 9-7/8 2.06 No 32 34
33-1/2 40-7/16 28 16 5.62 2.47 9.41 29-31/32 11-7/8 2.47 No 32 38
33-1/2 48-7/16 28 20 7.12 3.3 11.27 29-31/32 15-7/8 3.3 No 32 46
33-1/2 52-7/16 28 22 7.88 3.72 12.2 29-31/32 17-7/8 3.72 No 32 50
33-1/2 56-7/16 28 24 8.62 4.14 13.13 29-31/32 19-7/8 4.14 No 32 54
33-1/2 60-7/16 28 26 9.38 4.55 14.06 29-31/32 21-7/8 4.55 No 32 58
33-1/2 64-7/16 28 28 10.12 4.97 14.99 29-31/32 23-7/8 4.97 No 32 62
33-1/2 68-7/16 28 30 10.88 5.39 15.92 29-31/32 25-7/8 5.39 No 32 66
33-1/2 72-7/16 28 32 11.62 5.8 16.85 29-31/32 27-7/8 5.8 Yes 32 70
33-1/2 76-7/16 28 34 12.38 6.22 17.78 29-31/32 29-7/8 6.22 Yes 32 74
33-1/2 80-7/16 28 36 13.12 6.63 18.71 29-31/32 31-7/8 6.63 Yes 32 78
35-1/2 36-7/16 30 14 5.24 2.19 8.98 31-31/32 9-7/8 2.19 No 34 34
35-1/2 40-7/16 30 16 6.04 2.64 9.97 31-31/32 11-7/8 2.64 No 34 38
35-1/2 48-7/16 30 20 7.65 3.52 11.94 31-31/32 15-7/8 3.52 No 34 46
35-1/2 52-7/16 30 22 8.46 3.97 12.93 31-31/32 17-7/8 3.97 No 34 50
35-1/2 56-7/16 30 24 9.26 4.41 13.91 31-31/32 19-7/8 4.41 No 34 54
35-1/2 60-7/16 30 26 10.07 4.86 14.9 31-31/32 21-7/8 4.86 No 34 58
35-1/2 64-7/16 30 28 10.88 5.3 15.89 31-31/32 23-7/8 5.3 No 34 62
35-1/2 68-7/16 30 30 11.68 5.74 16.87 31-31/32 25-7/8 5.74 Yes 34 66
35-1/2 72-7/16 30 32 12.49 6.19 17.86 31-31/32 27-7/8 6.19 Yes 34 70
35-1/2 76-7/16 30 34 13.29 6.63 18.84 31-31/32 29-7/8 6.63 Yes 34 74
35-1/2 80-7/16 30 36 14.1 7.08 19.83 31-31/32 31-7/8 7.08 Yes 34 78
37-1/2 36-7/16 32 14 5.6 2.33 9.49 33-31/32 9-7/8 2.33 No 36 34
37-1/2 40-7/16 32 16 6.46 2.8 10.53 33-31/32 11-7/8 2.8 No 36 38
37-1/2 48-7/16 32 20 8.18 3.74 12.61 33-31/32 15-7/8 3.74 No 36 46
37-1/2 52-7/16 32 22 9.04 4.22 13.66 33-31/32 17-7/8 4.22 No 36 50
37-1/2 56-7/16 32 24 9.9 4.69 14.7 33-31/32 19-7/8 4.69 No 36 54
37-1/2 60-7/16 32 26 10.76 5.16 15.74 33-31/32 21-7/8 5.16 No 36 58
37-1/2 64-7/16 32 28 11.62 5.63 16.78 33-31/32 23-7/8 5.63 No 36 62
37-1/2 68-7/16 32 30 12.49 6.1 17.82 33-31/32 25-7/8 6.1 Yes 36 66
37-1/2 72-7/16 32 32 13.35 6.58 18.86 33-31/32 27-7/8 6.58 Yes 36 70
37-1/2 76-7/16 32 34 14.21 7.05 19.91 33-31/32 29-7/8 7.05 Yes 36 74
37-1/2 80-7/16 32 36 15.07 7.52 20.95 33-31/32 31-7/8 7.52 Yes 36 78
41-1/2 36-7/16 36 14 6.32 2.6 10.5 37-31/32 9-7/8 2.6 No 40 34
41-1/2 40-7/16 36 16 7.29 3.13 11.65 37-31/32 11-7/8 3.13 No 40 38
41-1/2 48-7/16 36 20 9.24 4.19 13.96 37-31/32 15-7/8 4.19 No 40 46
41-1/2 52-7/16 36 22 10.21 4.71 15.11 37-31/32 17-7/8 4.71 No 40 50
41-1/2 56-7/16 36 24 11.18 5.24 16.26 37-31/32 19-7/8 5.24 No 40 54
41-1/2 60-7/16 36 26 12.15 5.77 17.42 37-31/32 21-7/8 5.77 No 40 58
41-1/2 64-7/16 36 28 13.12 6.3 18.57 37-31/32 23-7/8 6.3 No 40 62
41-1/2 68-7/16 36 30 14.1 6.82 19.72 37-31/32 25-7/8 6.82 Yes 40 66
41-1/2 72-7/16 36 32 15.07 7.35 20.88 37-31/32 27-7/8 7.35 Yes 40 70
41-1/2 76-7/16 36 34 16.04 7.88 22.03 37-31/32 29-7/8 7.88 Yes 40 74
41-1/2 80-7/16 36 36 17.01 8.4 23.18 37-31/32 31-7/8 8.4 Yes 40 78
45-1/2 36-7/16 40 14 7.04 2.88 11.51 41-31/32 9-7/8 2.88 No 44 34
45-1/2 40-7/16 40 16 8.12 3.46 12.78 41-31/32 11-7/8 3.46 No 44 38
45-1/2 48-7/16 40 20 10.29 4.63 15.3 41-31/32 15-7/8 4.63 No 44 46
45-1/2 52-7/16 40 22 11.38 5.21 16.57 41-31/32 17-7/8 5.21 No 44 50
45-1/2 56-7/16 40 24 12.46 5.79 17.83 41-31/32 19-7/8 5.79 No 44 54
45-1/2 60-7/16 40 26 13.54 6.38 19.1 41-31/32 21-7/8 6.38 No 44 58
45-1/2 64-7/16 40 28 14.62 6.96 20.36 41-31/32 23-7/8 6.96 No 44 62
45-1/2 68-7/16 40 30 15.71 7.54 21.62 41-31/32 25-7/8 7.54 Yes 44 66
45-1/2 72-7/16 40 32 16.79 8.12 22.89 41-31/32 27-7/8 8.12 Yes 44 70
45-1/2 76-7/16 40 34 17.88 8.71 24.15 41-31/32 29-7/8 8.71 Yes 44 74
45-1/2 80-7/16 40 36 18.96 9.29 25.42 41-31/32 31-7/8 9.29 Yes 44 78
Heritage Series Sterling Double Hung
Sterling DH with Class 5 Balances Standard Performance
Frame Size Glass Size Clear Opening Sash Size Additional Details
Width (in.) Height (in.) Width (in.) Height (in.) Daylight Area (ft²) Vent Area (ft²) Frame Area (ft²) Width (in.) Height (in.) Area (ft²) Meets Most EER Codes Width (in.) Height (in.)
21-1/2 36-7/16 16 14 2.71 1.29 5.44 17-31/32 10-3/8 1.29 No 20 34
21-1/2 40-7/16 16 16 3.12 1.54 6.04 17-31/32 12-3/8 1.54 No 20 38
21-1/2 48-7/16 16 20 3.96 2.04 7.23 17-31/32 16-3/8 2.04 No 20 46
21-1/2 52-7/16 16 22 4.38 2.29 7.83 17-31/32 18-3/8 2.29 No 20 50
21-1/2 56-7/16 16 24 4.79 2.54 8.43 17-31/32 20-3/8 2.54 No 20 54
21-1/2 60-7/16 16 26 5.21 2.79 9.02 17-31/32 22-3/8 2.79 No 20 58
21-1/2 64-7/16 16 28 5.62 3.04 9.62 17-31/32 24-3/8 3.04 No 20 62
21-1/2 68-7/16 16 30 6.04 3.29 10.22 17-31/32 26-3/8 3.29 No 20 66
21-1/2 72-7/16 16 32 6.46 3.54 10.82 17-31/32 28-3/8 3.54 No 20 70
21-1/2 76-7/16 16 34 6.88 3.79 11.41 17-31/32 30-3/8 3.79 No 20 74
21-1/2 80-7/16 16 36 7.29 4.04 12.01 17-31/32 32-3/8 4.04 No 20 78
25-1/2 36-7/16 20 14 3.43 1.58 6.45 21-31/32 10-3/8 1.58 No 24 34
25-1/2 40-7/16 20 16 3.96 1.89 7.16 21-31/32 12-3/8 1.89 No 24 38
25-1/2 48-7/16 20 20 5.01 2.5 8.58 21-31/32 16-3/8 2.5 No 24 46
25-1/2 52-7/16 20 22 5.54 2.8 9.29 21-31/32 18-3/8 2.8 No 24 50
25-1/2 56-7/16 20 24 6.07 3.11 9.99 21-31/32 20-3/8 3.11 No 24 54
25-1/2 60-7/16 20 26 6.6 3.41 10.7 21-31/32 22-3/8 3.41 No 24 58
25-1/2 64-7/16 20 28 7.12 3.72 11.41 21-31/32 24-3/8 3.72 No 24 62
25-1/2 68-7/16 20 30 7.65 4.02 12.12 21-31/32 26-3/8 4.02 No 24 66
25-1/2 72-7/16 20 32 8.18 4.33 12.83 21-31/32 28-3/8 4.33 No 24 70
25-1/2 76-7/16 20 34 8.71 4.63 13.54 21-31/32 30-3/8 4.63 No 24 74
25-1/2 80-7/16 20 36 9.24 4.94 14.24 21-31/32 32-3/8 4.94 No 24 78
29-1/2 36-7/16 24 14 4.15 1.87 7.46 25-31/32 10-3/8 1.87 No 28 34
29-1/2 40-7/16 24 16 4.79 2.23 8.28 25-31/32 12-3/8 2.23 No 28 38
29-1/2 48-7/16 24 20 6.07 2.95 9.92 25-31/32 16-3/8 2.95 No 28 46
29-1/2 52-7/16 24 22 6.71 3.31 10.74 25-31/32 18-3/8 3.31 No 28 50
29-1/2 56-7/16 24 24 7.35 3.67 11.56 25-31/32 20-3/8 3.67 No 28 54
29-1/2 60-7/16 24 26 7.99 4.04 12.38 25-31/32 22-3/8 4.04 No 28 58
29-1/2 64-7/16 24 28 8.62 4.4 13.2 25-31/32 24-3/8 4.4 No 28 62
29-1/2 68-7/16 24 30 9.26 4.76 14.02 25-31/32 26-3/8 4.76 No 28 66
29-1/2 72-7/16 24 32 9.9 5.12 14.84 25-31/32 28-3/8 5.12 No 28 70
29-1/2 76-7/16 24 34 10.54 5.48 15.66 25-31/32 30-3/8 5.48 No 28 74
29-1/2 80-7/16 24 36 11.18 5.84 16.48 25-31/32 32-3/8 5.84 Yes 28 78
31-1/2 36-7/16 26 14 4.51 2.02 7.97 27-31/32 10-3/8 2.02 No 30 34
31-1/2 40-7/16 26 16 5.21 2.4 8.85 27-31/32 12-3/8 2.4 No 30 38
31-1/2 48-7/16 26 20 6.6 3.18 10.6 27-31/32 16-3/8 3.18 No 30 46
31-1/2 52-7/16 26 22 7.29 3.57 11.47 27-31/32 18-3/8 3.57 No 30 50
31-1/2 56-7/16 26 24 7.99 3.96 12.35 27-31/32 20-3/8 3.96 No 30 54
31-1/2 60-7/16 26 26 8.68 4.35 13.22 27-31/32 22-3/8 4.35 No 30 58
31-1/2 64-7/16 26 28 9.38 4.73 14.1 27-31/32 24-3/8 4.73 No 30 62
31-1/2 68-7/16 26 30 10.07 5.12 14.97 27-31/32 26-3/8 5.12 No 30 66
31-1/2 72-7/16 26 32 10.76 5.51 15.85 27-31/32 28-3/8 5.51 No 30 70
31-1/2 76-7/16 26 34 11.46 5.9 16.72 27-31/32 30-3/8 5.9 Yes 30 74
31-1/2 80-7/16 26 36 12.15 6.29 17.6 27-31/32 32-3/8 6.29 Yes 30 78
33-1/2 36-7/16 28 14 4.88 2.16 8.48 29-31/32 10-3/8 2.16 No 32 34
33-1/2 40-7/16 28 16 5.62 2.58 9.41 29-31/32 12-3/8 2.58 No 32 38
33-1/2 48-7/16 28 20 7.12 3.41 11.27 29-31/32 16-3/8 3.41 No 32 46
33-1/2 52-7/16 28 22 7.88 3.82 12.2 29-31/32 18-3/8 3.82 No 32 50
33-1/2 56-7/16 28 24 8.62 4.24 13.13 29-31/32 20-3/8 4.24 No 32 54
33-1/2 60-7/16 28 26 9.38 4.66 14.06 29-31/32 22-3/8 4.66 No 32 58
33-1/2 64-7/16 28 28 10.12 5.07 14.99 29-31/32 24-3/8 5.07 No 32 62
33-1/2 68-7/16 28 30 10.88 5.49 15.92 29-31/32 26-3/8 5.49 No 32 66
33-1/2 72-7/16 28 32 11.62 5.91 16.85 29-31/32 28-3/8 5.91 Yes 32 70
33-1/2 76-7/16 28 34 12.38 6.32 17.78 29-31/32 30-3/8 6.32 Yes 32 74
33-1/2 80-7/16 28 36 13.12 6.74 18.71 29-31/32 32-3/8 6.74 Yes 32 78
35-1/2 36-7/16 30 14 5.24 2.3 8.98 31-31/32 10-3/8 2.3 No 34 34
35-1/2 40-7/16 30 16 6.04 2.75 9.97 31-31/32 12-3/8 2.75 No 34 38
35-1/2 48-7/16 30 20 7.65 3.64 11.94 31-31/32 16-3/8 3.64 No 34 46
35-1/2 52-7/16 30 22 8.46 4.08 12.93 31-31/32 18-3/8 4.08 No 34 50
35-1/2 56-7/16 30 24 9.26 4.52 13.91 31-31/32 20-3/8 4.52 No 34 54
35-1/2 60-7/16 30 26 10.07 4.97 14.9 31-31/32 22-3/8 4.97 No 34 58
35-1/2 64-7/16 30 28 10.88 5.41 15.89 31-31/32 24-3/8 5.41 No 34 62
35-1/2 68-7/16 30 30 11.68 5.86 16.87 31-31/32 26-3/8 5.86 Yes 34 66
35-1/2 72-7/16 30 32 12.49 6.3 17.86 31-31/32 28-3/8 6.3 Yes 34 70
35-1/2 76-7/16 30 34 13.29 6.74 18.84 31-31/32 30-3/8 6.74 Yes 34 74
35-1/2 80-7/16 30 36 14.1 7.19 19.83 31-31/32 32-3/8 7.19 Yes 34 78
37-1/2 36-7/16 32 14 5.6 2.45 9.49 33-31/32 10-3/8 2.45 No 36 34
37-1/2 40-7/16 32 16 6.46 2.92 10.53 33-31/32 12-3/8 2.92 No 36 38
37-1/2 48-7/16 32 20 8.18 3.86 12.61 33-31/32 16-3/8 3.86 No 36 46
37-1/2 52-7/16 32 22 9.04 4.33 13.66 33-31/32 18-3/8 4.33 No 36 50
37-1/2 56-7/16 32 24 9.9 4.81 14.7 33-31/32 20-3/8 4.81 No 36 54
37-1/2 60-7/16 32 26 10.76 5.28 15.74 33-31/32 22-3/8 5.28 No 36 58
37-1/2 64-7/16 32 28 11.62 5.75 16.78 33-31/32 24-3/8 5.75 Yes 36 62
37-1/2 68-7/16 32 30 12.49 6.22 17.82 33-31/32 26-3/8 6.22 Yes 36 66
37-1/2 72-7/16 32 32 13.35 6.69 18.86 33-31/32 28-3/8 6.69 Yes 36 70
37-1/2 76-7/16 32 34 14.21 7.17 19.91 33-31/32 30-3/8 7.17 Yes 36 74
37-1/2 80-7/16 32 36 15.07 7.64 20.95 33-31/32 32-3/8 7.64 Yes 36 78
41-1/2 36-7/16 36 14 6.32 2.74 10.5 37-31/32 10-3/8 2.74 No 40 34
41-1/2 40-7/16 36 16 7.29 3.26 11.65 37-31/32 12-3/8 3.26 No 40 38
41-1/2 48-7/16 36 20 9.24 4.32 13.96 37-31/32 16-3/8 4.32 No 40 46
41-1/2 52-7/16 36 22 10.21 4.84 15.11 37-31/32 18-3/8 4.84 No 40 50
41-1/2 56-7/16 36 24 11.18 5.37 16.26 37-31/32 20-3/8 5.37 No 40 54
41-1/2 60-7/16 36 26 12.15 5.9 17.42 37-31/32 22-3/8 5.9 No 40 58
41-1/2 64-7/16 36 28 13.12 6.43 18.57 37-31/32 24-3/8 6.43 Yes 40 62
41-1/2 68-7/16 36 30 14.1 6.95 19.72 37-31/32 26-3/8 6.95 Yes 40 66
41-1/2 72-7/16 36 32 15.07 7.48 20.88 37-31/32 28-3/8 7.48 Yes 40 70
41-1/2 76-7/16 36 34 16.04 8.01 22.03 37-31/32 30-3/8 8.01 Yes 40 74
41-1/2 80-7/16 36 36 17.01 8.54 23.18 37-31/32 32-3/8 8.54 Yes 40 78
45-1/2 36-7/16 40 14 7.04 3.02 11.51 41-31/32 10-3/8 3.02 No 44 34
45-1/2 40-7/16 40 16 8.12 3.61 12.78 41-31/32 12-3/8 3.61 No 44 38
45-1/2 48-7/16 40 20 10.29 4.77 15.3 41-31/32 16-3/8 4.77 No 44 46
45-1/2 52-7/16 40 22 11.38 5.36 16.57 41-31/32 18-3/8 5.36 No 44 50
45-1/2 56-7/16 40 24 12.46 5.94 17.83 41-31/32 20-3/8 5.94 No 44 54
45-1/2 60-7/16 40 26 13.54 6.52 19.1 41-31/32 22-3/8 6.52 No 44 58
45-1/2 64-7/16 40 28 14.62 7.1 20.36 41-31/32 24-3/8 7.1 Yes 44 62
45-1/2 68-7/16 40 30 15.71 7.69 21.62 41-31/32 26-3/8 7.69 Yes 44 66
45-1/2 72-7/16 40 32 16.79 8.27 22.89 41-31/32 28-3/8 8.27 Yes 44 70
45-1/2 76-7/16 40 34 17.88 8.85 24.15 41-31/32 30-3/8 8.85 Yes 44 74
45-1/2 80-7/16 40 36 18.96 9.44 25.42 41-31/32 32-3/8 9.44 Yes 44 78