400 Series - Precision Weld - Picture Window - Dual Glazed with ESP

Name: Wonder Windows Buffalo
Rating: 5

Choose the ESP (energy saver package) for performance and savings. The double pane Precision Weld Okna 400 series picture window is maintenance free and a good choice for homeowners in the Northeast. Let the window professionals from Wonder Window help you decide which window is right for you and your budget. Financing available.

10% Better than Energy Star® minimum
3000% Better AI protection
A great choice to keep the cold out with excellent thermal efficiency
Welded sash & frame for overall durability
Custom made for your home
Available in custom exterior colors as well as four standard colors

					Energy Star	Comparison To
Glazing Option	U-Value	SHGC	VT	CR	Minimum*	Energy Star Minimum
Dual Glazed
With ESP	0.27	0.32	0.59	63	0.30	10% Better

		Industry	Comparison To
	Our Windows	Minimum	Industry Minimum

AAMA Rating	R 75	R 15
Air Infiltration cfm/ft2	0.01	0.3	3000%	Better
Water Penetration mph	66	33	100%	Better
Structural Integrity mph	210	94	123%	Better

See What Our Customers Are Saying!

Joan C. Rochester, NY 5 Stars

I was very pleased with everything. The process went as planned, the windows are awesome (glad I got them in before this weeks very cold weather), and the guys were very good. I was very pleased with everything and would definitely refer folks to you, in fact my daughter and son-in-law are going to be calling to get a quote for springtime of 2015.

Christine S. Fairport, NY 5 Stars

It definitely feels warmer in the upstairs. We are looking at replacing the lower level now and would like another estimate for the remaining windows. We are very excited about being able to open the windows come springtime. The installers were very kind and professional and answered all my annoying questions.

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