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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:
EuroTek 70 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:
0.15
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.32
ME Total ES Options Certified Field details:
159
ME Northern Zone Options Field details:
48
ME North-Central Zone Options Field details:
102
ME Southern Zone Options Field details:
111
ME South-Central Zone Options Field details:
54
Series Name:
Select Wide 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:
0.20
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.49
ME Total ES Options Certified Field details:
22
ME Northern Zone Options Field details:
22
ME North-Central Zone Options Field details:
13
ME Southern Zone Options Field details:
6
ME South-Central Zone Options Field details:
6
Series Name:
8621/8631/2610/2630 Transom
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:
1,114
ME Northern Zone Options Field details:
315
ME North-Central Zone Options Field details:
295
ME Southern Zone Options Field details:
935
ME South-Central Zone Options Field details:
152
Series Name:
8660 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:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.32
ME Total ES Options Certified Field details:
1,042
ME Northern Zone Options Field details:
432
ME North-Central Zone Options Field details:
904
ME Southern Zone Options Field details:
842
ME South-Central Zone Options Field details:
704
Series Name:
8660 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:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.32
ME Total ES Options Certified Field details:
1,042
ME Northern Zone Options Field details:
432
ME North-Central Zone Options Field details:
904
ME Southern Zone Options Field details:
842
ME South-Central Zone Options Field details:
704
Series Name:
8650/3151 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:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.32
ME Total ES Options Certified Field details:
1,126
ME Northern Zone Options Field details:
458
ME North-Central Zone Options Field details:
987
ME Southern Zone Options Field details:
913
ME South-Central Zone Options Field details:
774
Series Name:
8650/3151 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:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.32
ME Total ES Options Certified Field details:
1,126
ME Northern Zone Options Field details:
458
ME North-Central Zone Options Field details:
987
ME Southern Zone Options Field details:
913
ME South-Central Zone Options Field details:
774
Series Name:
250 Series / Power Symphony / CWS Comfort Shield / Burris TectView Fixed Casement
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:
0.22
ME SHGC Max Field details:
0.46
ME Total ES Options Certified Field details:
30
ME Northern Zone Options Field details:
10
ME North-Central Zone Options Field details:
10
ME Southern Zone Options Field details:
24
ME South-Central Zone Options Field details:
8
Series Name:
Vinyl 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:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.25
ME Total ES Options Certified Field details:
129
ME Northern Zone Options Field details:
43
ME North-Central Zone Options Field details:
100
ME Southern Zone Options Field details:
120
ME South-Central Zone Options Field details:
91
Series Name:
6300 Large 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:
0.17
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.43
ME Total ES Options Certified Field details:
114
ME Northern Zone Options Field details:
48
ME North-Central Zone Options Field details:
66
ME Southern Zone Options Field details:
82
ME South-Central Zone Options Field details:
40
Series Name:
Vinyl Awning Window
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:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.25
ME Total ES Options Certified Field details:
126
ME Northern Zone Options Field details:
43
ME North-Central Zone Options Field details:
100
ME Southern Zone Options Field details:
117
ME South-Central Zone Options Field details:
91
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:
442/6802 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:
0.42
ME Total ES Options Certified Field details:
573
ME Northern Zone Options Field details:
274
ME North-Central Zone Options Field details:
411
ME Southern Zone Options Field details:
410
ME South-Central Zone Options Field details:
263
Series Name:
ComfortSmart 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:
0.12
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.46
ME Total ES Options Certified Field details:
19,176
ME Northern Zone Options Field details:
5,968
ME North-Central Zone Options Field details:
10,462
ME Southern Zone Options Field details:
14,893
ME South-Central Zone Options Field details:
7,408
Series Name:
Consolidated 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:
0.41
ME Total ES Options Certified Field details:
14,051
ME Northern Zone Options Field details:
3,197
ME North-Central Zone Options Field details:
7,242
ME Southern Zone Options Field details:
11,904
ME South-Central Zone Options Field details:
5,186
Series Name:
IGLO EDGE 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:
0.21
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.42
ME Total ES Options Certified Field details:
23
ME Northern Zone Options Field details:
18
ME North-Central Zone Options Field details:
16
ME Southern Zone Options Field details:
13
ME South-Central Zone Options Field details:
8
Series Name:
9660 Polyvinyl Chloride (PVC) Awning Window
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:
0.07
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.37
ME Total ES Options Certified Field details:
1,709
ME Northern Zone Options Field details:
232
ME North-Central Zone Options Field details:
831
ME Southern Zone Options Field details:
1,577
ME South-Central Zone Options Field details:
699
Series Name:
8350.8351.8357 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:
0.48
ME Total ES Options Certified Field details:
785
ME Northern Zone Options Field details:
296
ME North-Central Zone Options Field details:
263
ME Southern Zone Options Field details:
599
ME South-Central Zone Options Field details:
123
Series Name:
8520T2.8530T2.8570T2 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:
0.10
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.39
ME Total ES Options Certified Field details:
1,768
ME Northern Zone Options Field details:
516
ME North-Central Zone Options Field details:
931
ME Southern Zone Options Field details:
1,553
ME South-Central Zone Options Field details:
716
Series Name:
A172/A173/A175 Sliding Patio Door
Product Category Field details:
Door
Product Type Field details:
Sliding Patio Door
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:
0.35
ME Total ES Options Certified Field details:
3,419
ME Northern Zone Options Field details:
1,493
ME North-Central Zone Options Field details:
2,398
ME Southern Zone Options Field details:
2,549
ME South-Central Zone Options Field details:
1,528