Selecting energy efficient windows in Raleigh, NC means getting familiar with what makes windows energy efficient. The type of window material and type of window glass impact the energy efficiency of windows. ENERGY STAR® provides a set of criteria based on climate zones, U-factors, and Solar Heat Gain Coefficient (SHGC) numbers as a guideline to select ENERGY STAR-certified windows. ENERGY STAR outlines windows in the South-Central climate zone need to have a U-factor of ≤ 0.28 and a SHGC number of ≤ 0.23 to be ENERGY STAR-certified windows. A Marvin Replacement design consultant can help guide you through window glass options that best suit Raleigh, North Carolina.

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You can search for Raleigh, NC door replacement companies and consult a front door buying guide to begin the process of finding a new entry door. You can also search for front door replacement inspiration. If you have trouble deciding what you want, a Marvin Replacement design consultant can help during a free, in-home appointment.