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What Makes a Window Energy-Efficient?

Are you in the market for new energy-efficient windows? You know you want windows that not only look great, but save you money and make your home more comfortable – but do you know exactly what makes a window energy-efficient? There are a number of different things that factor into the energy efficiency of windows.

So, What Makes a Window Energy-Efficient?

Factors that influence window energy efficiency include the:

  • Style or type of window (picture, casement, awning, etc.)
  • Window material (wood, vinyl, etc.)
  • Type of glass
  • Location of the window
  • Window glazing
  • And more!

Learn more about window energy efficiency.

What Makes a Window Energy-Efficient?

To go into a little more detail, an “energy-efficient window” has:

A high-quality frame – certain materials help insulate better

Low-E glass – the special coating on this type of glass helps keep heat inside your house in the winter and outside in the summer

Multiple panes – two panes insulate better than one (especially with gas-filled space in between them), and three-pane windows are even more energy-efficient and offer more sound control

Window Energy Efficiency: ENERGY STAR

Many replacement windows are ENERGY STAR rated (just look for the blue label!), but what exactly does this mean? How does a product get an ENERGY STAR label? In accordance with EPA requirements, ENERGY STAR replacement windows (and other products):

  • Contribute “significant energy savings nationwide”
  • Must meet consumer demands and deliver higher energy efficiency
  • Can be measured and verified with testing, in terms of performance and energy consumption
  • Are effectively distinct from other products and clearly “visible” for buyers
  • Can be offered by multiple manufacturers and dealers

Plus, if these products cost more than conventional products that are less energy-efficient, consumers should be able to recover the cost through utility bill savings, within a “reasonable” time period.

The ENERGY STAR label was initially created to accomplish two things:

  • Make it simple for consumers to buy energy-efficient products that offer great savings but are just as convenient and reliable as conventional products
  • Reduce greenhouse gas emissions and other harmful pollutants caused by inefficient energy use

Choosing Energy Efficient Windows: Our Pick

Here at Quality Window & Door, we like Weather Shield windows for shoppers looking for energy efficient window products. Weather Shield has an extensive selection of window and door products with various levels of energy efficiency.

Weather Shield’s new Weather Shield ReInvented campaign launched last year with an emphasis product quality and industry-leading energy efficiency features to meet market  demand for energy efficient windows.

Weather Shield windows have a number of available energy saving features like real warm-edge spacers, Zo-e-Shield Low-E glazing on the windows, insulated frames, and insulated air pockets between panes of glass.

Use the chart below to learn more about Weather Shield’s energy efficiency options:

Energy-Efficient Replacement Windows in MD, DC, & VA

If you’re looking for energy-efficient replacement windows that can help your wallet and the environment, Quality Window & Door has what you need. We offer a wide, non-proprietary selection of windows from leading manufacturers. In fact, that’s what makes us stand out among other replacement window companies in Maryland! We aren’t about high-pressure sale tactics – we want to help you find the absolute best product.

Contact us today to see why so many homeowners and builders in the Maryland, Washington, DC, and Northern Virginia area have chosen Quality Window & Door!

Why Choose Us?

All of our consultants have 10+ years of experience

Learn about how our educational approach makes Quality Window & Door stand out from its competitors.

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