April 3, 2015
Okna Picture Windows will open up your home to the outdoors.
Okna Picture Windows are also designated "Most Efficient 2015" by energystar.gov
Below are others from the list. Compare Okna's ratings to others and you will understand the extremely high quality Okna provides. And when you compare our price the decision will be easy.
* for more information on understanding performance ratings see (Understanding NFRC)
*data source
OKNA Windows & Doors
|
Product Line |
CPD Number |
U-Factor |
SHGC |
Frame Type |
PG |
Climate Zones |
|
Insul Tec – 510 / 5510 Series |
OKW-K-19 |
0.14–0.20 |
0.24–0.27 |
Vinyl |
75 |
N, NC |
|
Precision Weld – 410 Series |
OKW-K-27 |
0.20 |
0.28 |
Vinyl |
75 |
N, NC |
|
Enviro Star – 810 Series |
OKW-K-28 |
0.20 |
0.27 |
Vinyl |
75 |
N, NC |
Champion Window
|
Product Line |
CPD Number |
U-Factor |
SHGC |
Frame Type |
PG |
Climate Zones |
|
Comfort 365 Extreme Energy |
CHW-A-9 |
0.18–0.20 |
0.24–0.25 |
Vinyl |
30 |
N, NC, SC, S |
Marvin Windows and Doors
|
Product Line |
CPD Number |
U-Factor |
SHGC |
Frame Type |
PG |
Climate Zones |
|
Clad Double Hung Round Top Transom |
MAR-N-54 |
0.17–0.20 |
0.20–0.50 |
Wood and Clad Wood |
30 |
N, NC, SC, S |
|
Clad Direct Glaze Polygon |
MAR-N-53 |
0.16–0.20 |
0.21–0.48 |
Wood and Clad Wood |
55 |
N, NC, SC, S |
|
Clad Ultimate Double Hung Transom Round Top |
MAR-N-292 |
0.20–0.20 |
0.22–0.27 |
Wood and Clad Wood |
40 |
N, NC, SC, S |
|
Clad Ultimate Insert Double Hung Picture |
MAR-N-77 |
0.19–0.20 |
0.21–0.43 |
Wood and Clad Wood |
40 |
N, NC, SC, S |
|
Clad Ultimate Pushout Casement Picture |
MAR-N-351 |
0.16–0.20 |
0.20–0.45 |
Wood and Clad Wood |
50 |
N, NC, SC, S |
|
Clad Ultimate Casement Picture |
MAR-N-344 |
0.16–0.20 |
0.20–0.45 |
Wood and Clad Wood |
50 |
N, NC, SC, S |
|
Clad Ultimate Double Hung Picture |
MAR-N-290 |
0.18–0.20 |
0.21–0.42 |
Wood and Clad Wood |
40 |
N, NC, SC, S |
|
Integrity Casement Stationary/Picture |
MAR-N-252 |
0.18–0.19 |
0.25–0.31 |
Fiberglass |
50 |
N, NC, SC, S |
|
Integrity Direct Glaze Polygon |
MAR-N-303 |
0.17–0.20 |
0.24–0.32 |
Fiberglass |
50 |
N, NC, SC, S |
|
Wood Ultimate Double Hung Round Top 2" Sash |
MAR-N-76 |
0.19–0.20 |
0.15–0.42 |
Wood and Clad Wood |
60 |
N, NC, SC, S |
|
Wood Ultimate Double Hung Transom Round Top 2" Sash |
MAR-N-327 |
0.19–0.20 |
0.15–0.43 |
Wood and Clad Wood |
60 |
N, NC, SC, S |
|
Wood Direct Glaze Polygon with 1" Insulated Glass |
MAR-N-47 |
0.15–0.20 |
0.20–0.48 |
Wood and Clad Wood |
55 |
N, NC, SC, S |
|
Wood Direct Glaze Round Top with 1" Insulated Glass |
MAR-N-49 |
0.15–0.20 |
0.20–0.48 |
Wood and Clad Wood |
55 |
N, NC, SC, S |
|
Wood Ultimate Double Hung Picture 1 5/8" Sash |
MAR-N-70 |
0.17–0.20 |
0.17–0.46 |
Wood and Clad Wood |
40 |
N, NC, SC, S |
|
Wood Ultimate Double Hung Picture 2" Sash |
MAR-N-72 |
0.16–0.20 |
0.20–0.43 |
Wood and Clad Wood |
40 |
N, NC, SC, S |
|
Wood Ultimate Double Hung Transom |
MAR-N-71 |
0.17–0.20 |
0.20–0.47 |
Wood and Clad Wood |
40 |
N, NC, SC, S |
|
Wood Ultimate Casement Picture |
MAR-N-355 |
0.16–0.20 |
0.22–0.44 |
Wood and Clad Wood |
50 |
N, NC, SC, S |
|
Wood Ultimate Replacement Casement Picture |
MAR-N-380 |
0.20–0.20 |
0.16–0.40 |
Wood and Clad Wood |
50 |
N, NC, SC, S |
|
Wood Ultimate Pushout Replacement Casement Picture |
MAR-N-385 |
0.20–0.20 |
0.16–0.28 |
Wood and Clad Wood |
50 |
N, NC, SC, S |
|
Clad Ultimate Double Hung Picture - Next Generation |
MAR-N-427 |
0.18–0.20 |
0.15–0.42 |
Wood and Clad Wood |
65 |
N, NC, SC, S |
|
Clad Ultimate Double Hung Transom - Next Generation |
MAR-N-428 |
0.18–0.20 |
0.15–0.43 |
Wood and Clad Wood |
50 |
N, NC, SC, S |
Pella Corporation
|
Product Line |
CPD Number |
U-Factor |
SHGC |
Frame Type |
PG |
Climate Zones |
|
350 Series Fixed Window (Nail Fin) |
PEL-N-185 |
0.15–0.19 |
0.24–0.27 |
Vinyl |
40 |
N, NC |
|
350 Series Fixed Window (Pocket Frame) |
PEL-N-193 |
0.15–0.19 |
0.24–0.52 |
Vinyl |
60 |
N, NC |
|
Pella 250 Series Fixed Window with Advanced Low-E |
PEL-N-209 |
0.19–0.20 |
0.24–0.27 |
Vinyl |
50 |
N, NC, SC, S |
|
Pella 250 Series Fixed Window with Natural Sun |
PEL-N-209 |
0.20 |
0.43–0.47 |
Vinyl |
50 |
N |
|
Pella Special Shapes with Advanced Low-E Triple IG |
PEL-N-18 |
0.14–0.20 |
0.23–0.29 |
Wood and Clad Wood |
60 |
N, NC, SC, S |
|
Pella Special Shapes with SunDefense Low-E Triple IG |
PEL-N-18 |
0.14–0.20 |
0.17–0.22 |
Wood and Clad Wood |
60 |
N, NC, SC, S |
|
Pella Special Shapes with NaturalSun Low-E Triple IG |
PEL-N-18 |
0.15–0.20 |
0.37–0.49 |
Wood and Clad Wood |
60 |
N, NC |
Soft-Lite LLC
|
Product Line |
CPD Number |
U-Factor |
SHGC |
Frame Type |
PG |
Climate Zones |
|
Barrington |
SSL-A-8 |
0.16–0.18 |
0.19–0.28 |
Vinyl |
55 |
N, NC, SC, S |
|
Bainbridge |
SSL-A-42 |
0.15–0.20 |
0.19–0.28 |
Vinyl |
55 |
N, NC, SC, S |
|
Imperial LS |
SSL-A-31 |
0.14–0.20 |
0.17–0.27 |
Vinyl |
75 |
N, NC, SC, S |
|
Elements |
SSL-A-38 |
0.13–0.20 |
0.18–0.29 |
Vinyl |
50 |
N, NC, SC, S |
