Milgard Vinyl Windows U Factor

Gases are heavier than air and therefore provide insulation resistance to air.

Milgard vinyl windows u factor.

Lowering of the u factor and shgc criteria across the united states. This material has many advantages including being virtually maintenance free. Solar heat gain coefficient shgc shgc measures the amount of solar radiation transmitted through a window expressed as a number between 0 and 1. 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.

Milgard custom energy efficient windows and patio doors including vinyl wood fiberglass and aluminum for replacement remodel and new construction. Nfrc u factor ratings however represent the entire window performance including frame and spacer material. Draft criteria for windows energy star draft 2 u factor energy star draft 2 shgc. 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.

Triple glazed windows may have a u factor as low as 0 15. Milgard energy performance options. It s usually expressed in units of btu hr ft2 of. 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.

Double paned windows may have a u factor at or below 0 30. The lower the shgc the less solar heat the window transmits. This is because a vinyl frame is made from. There will be differences in the quality of one manufacturer 039 s vinyl compared to another.

U factor is the rate at which a window door or skylight conducts non solar heat flow. 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. Milgard vinyl windows are available in nine exterior frame colors with premium exterior finishes like bronze and espresso. Advantages of vinyl frames extremely durable non corroding virtually maintenance free exceptionally energy efficient vinyl frames are made primarily from polyvinyl chloride pvc.

Milgard tuscany series vinyl windows and doors are designed and assembled in the u s a. 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. U factors on windows generally range from 0 25 to 1 25. For windows skylights and glass doors a u factor may refer to just the glass or glazing alone.

Zone u factor shgc your energy efficient windows could include one or more of the following features based on your climate.