These are available as options to some of their windows even the double pane 400 series.
Andersen windows 400 series u factor.
Andersen doors and windows that use low e4 and low e glass have a u factor between 0 27 and 0 30.
I pulled their nfrc data 0 and found this test result for a 400 series casement w out grill with passivesun lowe4.
Made of wood protected by a vinyl exterior it s our best selling double hung window.
The sash tilt in for easy cleaning from the inside of your home.
400 series double hung windows have two operating sash that move up and down allowing for ventilation on the top bottom or both.
U factor how well a product prevents heat from escaping.
They include detailed information on the construction of each type of 400 series window and door along with sizing charts and section details.
Products that use low e4 and low e glass include certain 200 series fixed units and tilt windows 400 series gliding windows roof windows and skylights and several models of andersen architectural window.
Anyone know what technology andersen is using in what they call passivesun heatlock or lowe4.
If windows are double pane savings estimates range between 27 197 per year.
For over 100 years andersen has built a reputation for environmental stewardship and energy efficient products.
Actual savings will vary based on local climate conditions window type single double pane frame material utility rates and individual home.
If windows are single pane an estimated savings for energy star certified windows is between 101 583 per year.
400 series windows doors time tested classic wood craftsmanship as our most popular series with our longest standing products the 400 series brings you the best overall blend of performance and style to satisfy just about any window or door need.
U factor 29 shgc 52 i ve tried comparing this nfrc data with marvin s 1 but.
Architect builder remodeler.