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Old or improperly insulated doors are one of the leading causes of drafts in homes, reducing your property’s overall insulation to let outdoor heat in and indoor heat out. Getting a new door is recommended to address this and door and siding companies recommend getting ENERGY STAR® doors. What’s even better is that aside from allowing you to save on energy costs, they also make your home cozier and more comfortable and can even earn you tax credits.


For a door to receive certification from ENERGY STAR, it must be manufactured by an ENERGY STAR partner, as well as tested and certified by the National Fenestration Rating Council, with resulting ratings meeting guidelines set by the U.S. Department of Energy. Without knowing specific ratings, you can expect a door to be energy-efficient if it bears the ENERGY STAR label. NFRC ratings include measures for U-factor, solar heat gain coefficients and glazing level, or the amount of glass a door has. 

Anatomy of an Energy-Efficient Door

Most energy-efficient doors share the same features, such as:

  • Multi-Pane Glass – Where glass is used in a door, having a multi-pane design improves a unit’s ability to reduce heat flow.

  • Excellent Core Materials – Durable, insulative core materials help ensure a door and siding installation is energy-efficient by helping stunt heat transfer.

  • Tight Fit and Exceptional Weatherstripping – A tight fit limits gaps through which air leakage can occur while exceptional weatherstripping reinforces the seal that a door makes.

Woodbridge Home Exteriors is the expert to trust for all your exterior improvement needs. We have more than 25 years of experience and we offer only the best products and services around, ensuring you get the results you’re looking for. Want new windows or doors? Need siding repair? We have you covered. To learn more about what we can do for you, simply give us a call at (800) 728-3502 or fill out our contact form. Talk to us today! We serve Levelland, Dallas and the surrounding TX communities. 


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