What should I look for when buying windows, doors & skylights?
Every ENERGY STAR window, door and skylight is independently certified to perform at levels that meet or exceed energy efficiency guidelines set by the U.S. EPA. But how do you know which windows work in your climate? The following tips will help you buy with confidence.
Shopping for new windows, doors, and skylights can be a confusing process. ENERGY STAR makes it simple! Follow these five steps to ensure your windows, doors, and skylights deliver savings and comfort you'll enjoy.
How a Product Earns the ENERGY STAR Label?
What is ENERGY STAR?
ENERGY STAR is the trusted, government-backed symbol for energy efficiency helping us all save money and protect the environment through energy-efficient products and practices.
The ENERGY STAR label was established to:
How Does EPA Choose which Products Earn the Label?
Products can earn the ENERGY STAR label by meeting the energy efficiency requirements set forth in ENERGY STAR product specifications. EPA establishes these specifications based on the following set of key guiding principles:
How Does EPA decide when to Revise Specifications? Generally, a market share of ENERGY STAR certified products in a particular category of 50 percent or higher will prompt consideration for a specification revision. However, there are other factors that weigh into the decision, such as: