Patio Door Series -Millenium Windows

General

Energy

Features

Glass

Literature

Energy Performance Data

As an ENERGY STAR^® Partner, Linford Brothers Glass Co. is committed to manufacturing energy efficient windows. As part of our commitment to energy efficiency, our windows are certified by the National Fenestration Rating Council (NFRC). Search NFRC For Linford Bros. Products.

A quick description the NFRC label rates:

• U-factor: How well a window keeps heat inside a building.
• Solar heat gain: A window's ability to block warming caused by sunlight.
• Visible light transmittance: How much light gets through a product.
• Air Leakage: A measure of air infiltration through a window.

More detailed information on the NFRC ENERGY Performance Label is found at the NFRC website.