If you are selecting windows for new construction or to replace existing windows it s important to choose the most efficient windows you can afford that work best in your climate.
Most energy efficient residential windows and doors.
Wood doors are strong and secure and offer a look that complements many homes.
Current specification effective date.
Although many people choose wood doors for their beauty insulated steel and fiberglass doors are more energy efficient.
New performance levels pdf 238 86 kb are effective as of january 1 2016 including northern zone prescriptive and equivalent energy performance criteria for windows doors and skylights in all climate zones.
Ply gem has raised the standard of efficiency with its high performance r 5 windows which make them the perfect option for new home construction.
Lion windows doors more is a full service company offering windows doors flooring surface materials window treatments hardware plumbing fixtures lighting and much more throughout southern california.
These highly insulating windows make them one of the most energy efficient windows on the market and they are ideal for cold and mixed climates.
Windows doors and skylights must meet u factor and where applicable solar.
Fiberglass offers energy efficiency and can be painted or stained any color.
The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program.
Feather river doors 63 5 in x81 625in mission pointe zinc 3 4 oval lt unfinished smooth right hd fiberglass prehung front door w sidelights model 182191 3a4 70.
Photo courtesy of istockphoto cstewart your home s exterior doors can contribute significantly to air leakage and can also waste energy through conduction especially if it s old uninsulated improperly installed and or improperly air sealed.
January 1 2015 the current criteria were finalized in january 2014.
Top 5 energy efficient windows.
High performance r 5 windows.
Access the full energy star most efficient certified products list in excel excel 57 kb.
Heat gain and heat loss through windows are responsible for 25 30 of residential heating and cooling energy use.
12 09 2019 3 arizona salt river project residential weather assistance program this federal program was established to help low income families and individuals improve energy efficiency and lower energy costs includes window shading.