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  • ENERGY STAR Most Efficient 2025
    Windows, Doors & Skylights
    THE YEAR'S BEST OF ENERGY STAR FOR EFFICIENCY & INNOVATION

    Products that make the ENERGY STAR Most Efficient list for 2025 deliver cutting edge energy efficiency along with the latest in technological innovation. They represent the year’s very best for energy savings and environmental protection.
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Series Name:
400/500 Series Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.24
ME Total ES Options Certified Field details:
92
ME Northern Zone Options Field details:
30
ME North-Central Zone Options Field details:
74
ME Southern Zone Options Field details:
80
ME South-Central Zone Options Field details:
62
Series Name:
Westchester Clad Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Wood
ME U-Factor Min Field details:
0.21
ME SHGC Min. Field details:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.23
ME Total ES Options Certified Field details:
29
ME Northern Zone Options Field details:
0
ME North-Central Zone Options Field details:
0
ME Southern Zone Options Field details:
29
ME South-Central Zone Options Field details:
0
Series Name:
100/200 Series Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.16
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.25
ME Total ES Options Certified Field details:
148
ME Northern Zone Options Field details:
44
ME North-Central Zone Options Field details:
107
ME Southern Zone Options Field details:
132
ME South-Central Zone Options Field details:
91
Series Name:
Vinyl Premium Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.21
ME SHGC Min. Field details:
0.10
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.21
ME Total ES Options Certified Field details:
37
ME Northern Zone Options Field details:
0
ME North-Central Zone Options Field details:
0
ME Southern Zone Options Field details:
37
ME South-Central Zone Options Field details:
0
Series Name:
Monument Single Hung - Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Wood
ME U-Factor Min Field details:
0.22
ME SHGC Min. Field details:
0.11
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.17
ME Total ES Options Certified Field details:
3
ME Northern Zone Options Field details:
0
ME North-Central Zone Options Field details:
0
ME Southern Zone Options Field details:
3
ME South-Central Zone Options Field details:
0
Series Name:
7500 Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.15
ME U-Factor Max Field details:
0.18
ME SHGC Max Field details:
0.22
ME Total ES Options Certified Field details:
36
ME Northern Zone Options Field details:
24
ME North-Central Zone Options Field details:
36
ME Southern Zone Options Field details:
36
ME South-Central Zone Options Field details:
36
Series Name:
Vinyl Double Hung Window
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.16
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.25
ME Total ES Options Certified Field details:
348
ME Northern Zone Options Field details:
114
ME North-Central Zone Options Field details:
251
ME Southern Zone Options Field details:
309
ME South-Central Zone Options Field details:
212
Series Name:
Wood Clad Vinyl Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Wood
ME U-Factor Min Field details:
0.17
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.24
ME Total ES Options Certified Field details:
71
ME Northern Zone Options Field details:
17
ME North-Central Zone Options Field details:
48
ME Southern Zone Options Field details:
69
ME South-Central Zone Options Field details:
46
Series Name:
DH5460/5560
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.18
ME SHGC Min. Field details:
0.15
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.42
ME Total ES Options Certified Field details:
84
ME Northern Zone Options Field details:
32
ME North-Central Zone Options Field details:
68
ME Southern Zone Options Field details:
64
ME South-Central Zone Options Field details:
52
Series Name:
Pella Architect Reserve Double Hung - Clad - Model 6
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Other, Wood
ME U-Factor Min Field details:
0.18
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.39
ME Total ES Options Certified Field details:
159
ME Northern Zone Options Field details:
54
ME North-Central Zone Options Field details:
97
ME Southern Zone Options Field details:
131
ME South-Central Zone Options Field details:
69
Series Name:
250 Series / Power Symphony Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.21
ME SHGC Min. Field details:
0.17
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.21
ME Total ES Options Certified Field details:
5
ME Northern Zone Options Field details:
0
ME North-Central Zone Options Field details:
0
ME Southern Zone Options Field details:
5
ME South-Central Zone Options Field details:
0
Series Name:
8225 Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.20
ME SHGC Min. Field details:
0.19
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.23
ME Total ES Options Certified Field details:
10
ME Northern Zone Options Field details:
2
ME North-Central Zone Options Field details:
2
ME Southern Zone Options Field details:
10
ME South-Central Zone Options Field details:
2
Series Name:
900 Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.22
ME SHGC Min. Field details:
0.20
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.21
ME Total ES Options Certified Field details:
2
ME Northern Zone Options Field details:
0
ME North-Central Zone Options Field details:
0
ME Southern Zone Options Field details:
2
ME South-Central Zone Options Field details:
0
Series Name:
DH990 Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.22
ME SHGC Min. Field details:
0.19
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.21
ME Total ES Options Certified Field details:
2
ME Northern Zone Options Field details:
0
ME North-Central Zone Options Field details:
0
ME Southern Zone Options Field details:
2
ME South-Central Zone Options Field details:
0
Series Name:
1271 Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.20
ME SHGC Min. Field details:
0.18
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.18
ME Total ES Options Certified Field details:
1
ME Northern Zone Options Field details:
0
ME North-Central Zone Options Field details:
1
ME Southern Zone Options Field details:
1
ME South-Central Zone Options Field details:
1
Series Name:
F210/G210 RR/NC Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.18
ME SHGC Min. Field details:
0.16
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.24
ME Total ES Options Certified Field details:
8
ME Northern Zone Options Field details:
2
ME North-Central Zone Options Field details:
6
ME Southern Zone Options Field details:
7
ME South-Central Zone Options Field details:
5
Series Name:
800 Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.16
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.22
ME Total ES Options Certified Field details:
35
ME Northern Zone Options Field details:
11
ME North-Central Zone Options Field details:
21
ME Southern Zone Options Field details:
35
ME South-Central Zone Options Field details:
21
Series Name:
Envision Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.18
ME SHGC Min. Field details:
0.17
ME U-Factor Max Field details:
0.19
ME SHGC Max Field details:
0.27
ME Total ES Options Certified Field details:
12
ME Northern Zone Options Field details:
6
ME North-Central Zone Options Field details:
12
ME Southern Zone Options Field details:
6
ME South-Central Zone Options Field details:
6
Series Name:
DH 600/6600 Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.16
ME SHGC Min. Field details:
0.22
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.25
ME Total ES Options Certified Field details:
44
ME Northern Zone Options Field details:
42
ME North-Central Zone Options Field details:
42
ME Southern Zone Options Field details:
30
ME South-Central Zone Options Field details:
28
Series Name:
400 Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.17
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.22
ME Total ES Options Certified Field details:
25
ME Northern Zone Options Field details:
8
ME North-Central Zone Options Field details:
16
ME Southern Zone Options Field details:
25
ME South-Central Zone Options Field details:
16