U factor is the rate at which a window door or skylight conducts non solar heat flow.
Milgard vinyl windows u factor.
Milgard custom energy efficient windows and patio doors including vinyl wood fiberglass and aluminum for replacement remodel and new construction.
However through several discussions with other members of aama we have decided that the following chart is milgard s recommendation for the energy star version 6 0 criteria.
Double paned windows may have a u factor at or below 0 30.
We conduct thermal simulations to improve energy efficiency and performance in our windows and patio doors and adhere to energy star v6 requirements that meet or exceed u factor and solar heat gain coefficient shgc criteria for the areas in which we serve.
Zone u factor shgc your energy efficient windows could include one or more of the following features based on your climate.
Milgard tuscany series vinyl windows and doors are designed and assembled in the u s a.
Lowering of the u factor and shgc criteria across the united states.
Advantages of vinyl frames extremely durable non corroding virtually maintenance free exceptionally energy efficient vinyl frames are made primarily from polyvinyl chloride pvc.
The milgard energy calculator provides a quick and easy way to help you select windows and doors that can meet local energy codes and project requirements.
Triple glazed windows may have a u factor as low as 0 15.
For windows skylights and glass doors a u factor may refer to just the glass or glazing alone.
This is because a vinyl frame is made from.
U factors on windows generally range from 0 25 to 1 25.
Solar heat gain coefficient shgc shgc measures the amount of solar radiation transmitted through a window expressed as a number between 0 and 1.
There will be differences in the quality of one manufacturer 039 s vinyl compared to another.
This tool gives you the flexibility to select the required energy star zone u factor shgc or vt and determine which milgard window and door products meet the selected requirements.
Milgard vinyl windows are available in nine exterior frame colors with premium exterior finishes like bronze and espresso.
Milgard energy performance options.
Our coating technology allows uv rays to pass through the paint and reflect off the vinyl frame preserving the exterior finish for colors that last.
With the dedication.
Gases are heavier than air and therefore provide insulation resistance to air.
The u factor will approach the very low 0 15 point if there is a gas such as argon or krypton between the layers of glass glazing.
This material has many advantages including being virtually maintenance free.
And we build them to last.
It s usually expressed in units of btu hr ft2 of.
