We can stop those wasteful drafts


When you feel air moving through your windows you know you’re not only wasting energy, you are losing hard-earned money. Our windows maximize reduction of air infiltration with triple weatherstripping.

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ENERGY STAR - NFRC LABEL

What you need to know

U-FACTOR - Insulating value of the entire window system. Lower numbers reflect better insulating value.

SOLAR HEAT GAIN COEFFICIENT (SHGC) - Amount of heat from the sun passing through the glass. Lower numbers show glass is keeping heat from entering your home.

VISIBLE TRANSMITTANCE - Amount of visible light passing through the glass. Higher numbers show glass is allowing more light to enter your home.

AIR INFILTRATION - How much air is entering or escaping through the window. Lower numbers show air is kept from entering or escaping.

CONDENSATION RESISTANCE - Amount of moisture it takes for glass to condensate when exposed to extreme interior and exterior temperature changes. Higher numbers show better resistance to condensation.

A

B

C

D

E

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Test data is a result of sizes shown, configurations and lab conditions of a certified independent third party laboratory

PERFORMANCE & CONSTRUCTION

WINDOWS

FAQ

PERFORMANCE & CONSTRUCTION

HIGHER PERFORMANCE

**INNOVATIVE ENGINEERING**

**QUALITY**

**DURABILITY**

**BEAUTY**

**ENERGY EFFICIENCY**

With Best Window & Door windows, you come out ahead. Your real comfort comes when you discover just how well your new windows keep unwanted heat and cold out of your home. Our window components are inventively designed and come together to create one of the most energy efficient windows on the market today.


The frame and sash construction exceed industry standards and are tested against the most stringent requirements for air and water infiltration, wind load resistance, ease of operation, forced entry and much more.

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Featuring a multi-chambered frame and sash system, providing excellent durability and ultimate energy efficiency.

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