Thanks to advances in technology, today's ENERGY STAR certified windows, doors, and skylights offer greater savings than ever before. Just look for the ENERGY STAR label. Save energy and money.
Replacing old windows with ENERGY STAR certified windows lowers household energy bills by an average of 12 percent nationwide and even more in Denver.
Lower energy consumption also reduces greenhouse gas emissions from power plants and shrinks a house's carbon footprint.
Installing ENERGY STAR certified windows, doors, and skylights lowers energy bills and saves you money. With more efficient windows, you also use less energy, which reduces greenhouse gas emissions from power plants. Feel your carbon footprint shrinking?
Put an end to cold drafts and overheated spaces. ENERGY STAR certified windows, doors, and skylights keep your home’s temperature consistently comfortable. Even your loveseat right by the window can be cozy with ENERGY STAR.
Low-emissivity coatings on many ENERGY STAR certified windows, doors, and skylights reduces UV sun damage to floors, carpets, and furniture.
All ENERGY STAR windows, doors, and skylights are certified and verified to perform as labeled.
What makes it ENERGY STAR?
ENERGY STAR qualified, windows, doors, and skylights:
Are manufactured by an ENERGY STAR partner,
Are independently tested, certified, and verified by the National Fenestration Rating Council (NFRC), and
Have NFRC ratings that meet strict energy efficiency guidelines set by the US Environmental Protection Agency (EPA).
ENERGY STAR certified windows come in a variety of framing materials.
Fiberglass frames are strong, durable, low maintenance, and provide good insulation. Fiberglass frames can be either hollow or filled with foam insulation.
Vinyl frames are low maintenance and provide good thermal insulation. Sections may be hollow or filled with foam insulation. Wide vinyl sills may be reinforced with metal or wood.
Aluminum frames are durable, low maintenance, recyclable, and typically have at least 15% recycled content. Frame design typically includes thermal breaks to reduce conductive heat loss through the metal.
Wood frames are strong, provide good insulation, and are generally favored in historical neighborhoods. The exterior surfaces of many wood windows are clad (or covered) with aluminum or vinyl to reduce maintenance.
Combination frames use different materials separately throughout the frame and sash to provide optimal performance. For example, the exterior half of a frame could be vinyl while the interior half could be wood.
Composite frames are made of various materials that have been blended together through manufacturing processes to create durable, low maintenance, well-insulated windows.
"G.S. Construction Exterior Experts was awesome to work with. From discovery to completion they were professional and courteous. They were by far the most knowledgeable about the James Hardy Product I chose and they were very conscious about the manufacturers specifications when it came to installing. The three crews that worked on my house, Demo and Install, Gutters, and Painting were all punctual and professional. Not only would I recommend GS to someone else I already did. Great Company - Great People."
Cities we serve in Colorado
Cherry Hills Village
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