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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:
Sanford Hills Awning
Product Category Field details:
Window
Product Type Field details:
Awning (Projected)
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:
0.22
ME SHGC Max Field details:
0.37
ME Total ES Options Certified Field details:
79
ME Northern Zone Options Field details:
35
ME North-Central Zone Options Field details:
58
ME Southern Zone Options Field details:
54
ME South-Central Zone Options Field details:
33
Series Name:
MB-79N/MB-86N SI Fixed Window
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Aluminum
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.04
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.44
ME Total ES Options Certified Field details:
1,046
ME Northern Zone Options Field details:
668
ME North-Central Zone Options Field details:
886
ME Southern Zone Options Field details:
568
ME South-Central Zone Options Field details:
412
Series Name:
Sanford Hills Casement
Product Category Field details:
Window
Product Type Field details:
Casement Windows
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:
0.22
ME SHGC Max Field details:
0.37
ME Total ES Options Certified Field details:
85
ME Northern Zone Options Field details:
34
ME North-Central Zone Options Field details:
62
ME Southern Zone Options Field details:
64
ME South-Central Zone Options Field details:
41
Series Name:
Envision Casement Picture
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.18
ME U-Factor Max Field details:
0.17
ME SHGC Max Field details:
0.30
ME Total ES Options Certified Field details:
24
ME Northern Zone Options Field details:
18
ME North-Central Zone Options Field details:
24
ME Southern Zone Options Field details:
12
ME South-Central Zone Options Field details:
12
Series Name:
8540T2 Casement
Product Category Field details:
Window
Product Type Field details:
Casement Windows
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.38
ME Total ES Options Certified Field details:
2,939
ME Northern Zone Options Field details:
448
ME North-Central Zone Options Field details:
1,287
ME Southern Zone Options Field details:
2,713
ME South-Central Zone Options Field details:
1,061
Series Name:
3075 Casement
Product Category Field details:
Window
Product Type Field details:
Casement Windows
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.38
ME Total ES Options Certified Field details:
3,059
ME Northern Zone Options Field details:
509
ME North-Central Zone Options Field details:
1,395
ME Southern Zone Options Field details:
2,808
ME South-Central Zone Options Field details:
1,144
Series Name:
8354 Fixed
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.12
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.47
ME Total ES Options Certified Field details:
1,156
ME Northern Zone Options Field details:
352
ME North-Central Zone Options Field details:
346
ME Southern Zone Options Field details:
986
ME South-Central Zone Options Field details:
213
Series Name:
442/6802 Awning
Product Category Field details:
Window
Product Type Field details:
Awning (Projected)
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:
0.22
ME SHGC Max Field details:
0.42
ME Total ES Options Certified Field details:
555
ME Northern Zone Options Field details:
276
ME North-Central Zone Options Field details:
412
ME Southern Zone Options Field details:
390
ME South-Central Zone Options Field details:
261
Series Name:
IGLO 5 Classic Fixed Window
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.04
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.46
ME Total ES Options Certified Field details:
695
ME Northern Zone Options Field details:
543
ME North-Central Zone Options Field details:
590
ME Southern Zone Options Field details:
233
ME South-Central Zone Options Field details:
148
Series Name:
400 Series Tilt-Wash Double-Hung Transom Full-Frame Window
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.13
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.43
ME Total ES Options Certified Field details:
452
ME Northern Zone Options Field details:
150
ME North-Central Zone Options Field details:
290
ME Southern Zone Options Field details:
330
ME South-Central Zone Options Field details:
180
Series Name:
Ultimate Wood Casement Picture
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.15
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.44
ME Total ES Options Certified Field details:
1,746
ME Northern Zone Options Field details:
360
ME North-Central Zone Options Field details:
576
ME Southern Zone Options Field details:
1,460
ME South-Central Zone Options Field details:
326
Series Name:
8420T2.8430T2.8470T2 Awning
Product Category Field details:
Window
Product Type Field details:
Awning (Projected)
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.11
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.39
ME Total ES Options Certified Field details:
1,236
ME Northern Zone Options Field details:
508
ME North-Central Zone Options Field details:
919
ME Southern Zone Options Field details:
1,023
ME South-Central Zone Options Field details:
706
Series Name:
F150/G150 RR/NC Picture Window
Product Category Field details:
Window
Product Type Field details:
Picture Window
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:
0.22
ME SHGC Max Field details:
0.23
ME Total ES Options Certified Field details:
39
ME Northern Zone Options Field details:
5
ME North-Central Zone Options Field details:
20
ME Southern Zone Options Field details:
39
ME South-Central Zone Options Field details:
20
Series Name:
EnergyQuest Tilt Single Hung
Product Category Field details:
Window
Product Type Field details:
Single Hung
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.16
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.29
ME Total ES Options Certified Field details:
295
ME Northern Zone Options Field details:
57
ME North-Central Zone Options Field details:
173
ME Southern Zone Options Field details:
242
ME South-Central Zone Options Field details:
120
Series Name:
9770 Polyvinyl Chloride (PVC) Casement Window
Product Category Field details:
Window
Product Type Field details:
Casement Windows
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.07
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.37
ME Total ES Options Certified Field details:
1,710
ME Northern Zone Options Field details:
225
ME North-Central Zone Options Field details:
816
ME Southern Zone Options Field details:
1,584
ME South-Central Zone Options Field details:
690
Series Name:
Vivid Direct Glaze
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Fiberglass
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.17
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.33
ME Total ES Options Certified Field details:
816
ME Northern Zone Options Field details:
486
ME North-Central Zone Options Field details:
712
ME Southern Zone Options Field details:
462
ME South-Central Zone Options Field details:
358
Series Name:
7520 Double Slider
Product Category Field details:
Window
Product Type Field details:
Double Slider
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:
0.19
ME SHGC Max Field details:
0.22
ME Total ES Options Certified Field details:
36
ME Northern Zone Options Field details:
20
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:
Premium Vinyl (V-4500) Tilt Single Hung Fixed Direct Set
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.17
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.48
ME Total ES Options Certified Field details:
547
ME Northern Zone Options Field details:
132
ME North-Central Zone Options Field details:
172
ME Southern Zone Options Field details:
463
ME South-Central Zone Options Field details:
96
Series Name:
410 Picture Window
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
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:
29
ME Northern Zone Options Field details:
11
ME North-Central Zone Options Field details:
22
ME Southern Zone Options Field details:
23
ME South-Central Zone Options Field details:
16
Series Name:
440/6800 Single Slider
Product Category Field details:
Window
Product Type Field details:
Single Slider
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.19
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.44
ME Total ES Options Certified Field details:
146
ME Northern Zone Options Field details:
121
ME North-Central Zone Options Field details:
107
ME Southern Zone Options Field details:
84
ME South-Central Zone Options Field details:
65