Details: These windows have two options: Impact Level D windows, which are HVHZ certified and Impact level C windows for non-coastal areas. The windows have high-performance laminated glass, with three panes of glass and a protective interlayer and a low-E coating and argon gas fill. The corners of the thick-walled vinyl frame are fused together at high temperatures and it also has multiple internal chambers for insulative properties. Other features include a delta lock to secure sashes, foam inside the frame and a double-walled sill dam extended inside the window mainframe. The Energy Star-certified windows are available in double- and single-hung models with tilt-in sashes, lift-out sliding windows, casements and awning models, and picture windows.

Best-selling Features: Both Barcelona Level C and Level D impact windows exceed the threshold DP50 rating and also achieve an air infiltration rating of .01.

Details: These windows have two options: Impact Level D windows, which are HVHZ certified and Impact level C windows for non-coastal areas. The windows have high-performance laminated glass, with three panes of glass and a protective interlayer and a low-E coating and argon gas fill. The corners of the thick-walled vinyl frame are fused together at high temperatures and it also has multiple internal chambers for insulative properties. Other features include a delta lock to secure sashes, foam inside the frame and a double-walled sill dam extended inside the window mainframe. The Energy Star-certified windows are available in double- and single-hung models with tilt-in sashes, lift-out sliding windows, casements and awning models, and picture windows.

Best-selling Features: Both Barcelona Level C and Level D impact windows exceed the threshold DP50 rating and also achieve an air infiltration rating of .01.

Details: The Infinity Series delivers European style and narrow frame designs with a sound transmission class rating of 44dB. The company offers a 1 3/8-inch glaze panel accompanied by a 1-inch exterior panel, all within an overall frame depth of 3 ½ inches. The window is an inward-opening casement in the turn position, a secure top-venting hopper in the tilt position, and a picture window when closed. Multiple locking points and dual weather seals contribute to the energy efficiency and acoustical properties. The exterior aluminum cladding can be customized with solid colors and foil options.

Best-selling Features: Altera Windows & Doors says this series’ top-selling features include high performance, quality and aesthetic appeal. Matching doors also are available. 

Details: The Infinity Series delivers European style and narrow frame designs with a sound transmission class rating of 44dB. The company offers a 1 3/8-inch glaze panel accompanied by a 1-inch exterior panel, all within an overall frame depth of 3 ½ inches. The window is an inward-opening casement in the turn position, a secure top-venting hopper in the tilt position, and a picture window when closed. Multiple locking points and dual weather seals contribute to the energy efficiency and acoustical properties. The exterior aluminum cladding can be customized with solid colors and foil options.

Best-selling Features: Altera Windows & Doors says this series’ top-selling features include high performance, quality and aesthetic appeal. Matching doors also are available. 

Details: The Infinity Series delivers European style and narrow frame designs with a sound transmission class rating of 44dB. The company offers a 1 3/8-inch glaze panel accompanied by a 1-inch exterior panel, all within an overall frame depth of 3 ½ inches. The window is an inward-opening casement in the turn position, a secure top-venting hopper in the tilt position, and a picture window when closed. Multiple locking points and dual weather seals contribute to the energy efficiency and acoustical properties. The exterior aluminum cladding can be customized with solid colors and foil options.

Best-selling Features: Altera Windows & Doors says this series’ top-selling features include high performance, quality and aesthetic appeal. Matching doors also are available. 

Details: The Aspen Collection has 0.062-inch extruded aluminum cladding and a standard Ponderosa Pine interior, with other species available and incorporates Encore hardware with a single operating lock lever. With 74 powder coated and anodized finishes available, including various textures and custom colors, it offers a continuous foam weather strip on the frame and interior stationary brackets. Frame covers are fastened with a rigid coupler that leaves fewer nail holes to putty during finishing. 

Best-selling Features: Sierra Pacific Windows re-engineered its Aspen Collection for enhanced structural performance and resistance to air and water intrusion. Its hidden locking system, as well as the lock adjustment reducing operating force in large units, also contributes to it being a best-seller. High-performance hardware enables large operable sizes, and the screen has a lift rail. A new ¼-inch steel plate option is available to improve mull structural ratings. 

Details: The Aspen Collection has 0.062-inch extruded aluminum cladding and a standard Ponderosa Pine interior, with other species available and incorporates Encore hardware with a single operating lock lever. With 74 powder coated and anodized finishes available, including various textures and custom colors, it offers a continuous foam weather strip on the frame and interior stationary brackets. Frame covers are fastened with a rigid coupler that leaves fewer nail holes to putty during finishing. 

Best-selling Features: Sierra Pacific Windows re-engineered its Aspen Collection for enhanced structural performance and resistance to air and water intrusion. Its hidden locking system, as well as the lock adjustment reducing operating force in large units, also contributes to it being a best-seller. High-performance hardware enables large operable sizes, and the screen has a lift rail. A new ¼-inch steel plate option is available to improve mull structural ratings. 

Details: The Aspen Collection has 0.062-inch extruded aluminum cladding and a standard Ponderosa Pine interior, with other species available and incorporates Encore hardware with a single operating lock lever. With 74 powder coated and anodized finishes available, including various textures and custom colors, it offers a continuous foam weather strip on the frame and interior stationary brackets. Frame covers are fastened with a rigid coupler that leaves fewer nail holes to putty during finishing. 

Best-selling Features: Sierra Pacific Windows re-engineered its Aspen Collection for enhanced structural performance and resistance to air and water intrusion. Its hidden locking system, as well as the lock adjustment reducing operating force in large units, also contributes to it being a best-seller. High-performance hardware enables large operable sizes, and the screen has a lift rail. A new ¼-inch steel plate option is available to improve mull structural ratings. 

Details: These aluminum doors have a maximum width of 78 – 47/64 inches, maximum height of 94 inches and a glass thickness of ¾ to 1 inch. Custom sizes also can be made. Finishes include anodizing colors, the RAL color chart and wooden effect. The company also says the doors, which have non-corrosive mechanisms, are easy to operate and resistant to air and water.

Best-selling Features: This model offers all the qualities of the regular slider, plus an option for lift and slide functionality. It also offers levers and rollers that lift panels off the sill; sill-supported panels that run on two multi-roller carriages; dual weather seals at the top, bottom and sides; and available pocketing and cornering systems. 

Details: These aluminum doors have a maximum width of 78 – 47/64 inches, maximum height of 94 inches and a glass thickness of ¾ to 1 inch. Custom sizes also can be made. Finishes include anodizing colors, the RAL color chart and wooden effect. The company also says the doors, which have non-corrosive mechanisms, are easy to operate and resistant to air and water.

Best-selling Features: This model offers all the qualities of the regular slider, plus an option for lift and slide functionality. It also offers levers and rollers that lift panels off the sill; sill-supported panels that run on two multi-roller carriages; dual weather seals at the top, bottom and sides; and available pocketing and cornering systems.