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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:
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
Series Name:
Fixed XL Hung
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:
0.16
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.49
ME Total ES Options Certified Field details:
41
ME Northern Zone Options Field details:
18
ME North-Central Zone Options Field details:
19
ME Southern Zone Options Field details:
26
ME South-Central Zone Options Field details:
8
Series Name:
Architect Wood Fixed Casement
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:
0.45
ME Total ES Options Certified Field details:
265
ME Northern Zone Options Field details:
132
ME North-Central Zone Options Field details:
171
ME Southern Zone Options Field details:
164
ME South-Central Zone Options Field details:
89
Series Name:
3065 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:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.38
ME Total ES Options Certified Field details:
1,976
ME Northern Zone Options Field details:
496
ME North-Central Zone Options Field details:
1,377
ME Southern Zone Options Field details:
1,731
ME South-Central Zone Options Field details:
1,132
Series Name:
8440T2 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:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.38
ME Total ES Options Certified Field details:
1,859
ME Northern Zone Options Field details:
440
ME North-Central Zone Options Field details:
1,275
ME Southern Zone Options Field details:
1,636
ME South-Central Zone Options Field details:
1,052
Series Name:
XLB-80 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:
0.17
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.27
ME Total ES Options Certified Field details:
5
ME Northern Zone Options Field details:
2
ME North-Central Zone Options Field details:
4
ME Southern Zone Options Field details:
4
ME South-Central Zone Options Field details:
3
Series Name:
EnergyQuest Horizontal 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:
0.16
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.27
ME Total ES Options Certified Field details:
287
ME Northern Zone Options Field details:
55
ME North-Central Zone Options Field details:
171
ME Southern Zone Options Field details:
236
ME South-Central Zone Options Field details:
120
Series Name:
Ultra-VistaLuxe-Forgent Complimentary Gardenaire Sliding Patio Door
Product Category Field details:
Door
Product Type Field details:
Sliding Patio Door
Frame Material:
Other, Wood
ME U-Factor Min Field details:
0.15
ME SHGC Min. Field details:
0.08
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.40
ME Total ES Options Certified Field details:
4,525
ME Northern Zone Options Field details:
1,025
ME North-Central Zone Options Field details:
4,376
ME Southern Zone Options Field details:
3,815
ME South-Central Zone Options Field details:
3,666
Series Name:
Endure Single Slide
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:
0.15
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.25
ME Total ES Options Certified Field details:
320
ME Northern Zone Options Field details:
105
ME North-Central Zone Options Field details:
244
ME Southern Zone Options Field details:
295
ME South-Central Zone Options Field details:
219
Series Name:
2020 Supreme 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:
0.19
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.46
ME Total ES Options Certified Field details:
14
ME Northern Zone Options Field details:
13
ME North-Central Zone Options Field details:
10
ME Southern Zone Options Field details:
4
ME South-Central Zone Options Field details:
4
Series Name:
8900/90/8000/1800/8900 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:
0.18
ME SHGC Max Field details:
0.26
ME Total ES Options Certified Field details:
96
ME Northern Zone Options Field details:
48
ME North-Central Zone Options Field details:
96
ME Southern Zone Options Field details:
80
ME South-Central Zone Options Field details:
80