The label shows the solar heat gain coefficient shgc and u factor for the door.
Energy star exterior door requirements.
200 for eligible windows and skylights.
Energy star program requirements for residential windows doors and skylights partner commitments 2 known as blind purchase is implemented providing full cooperation and timely responses.
The nfrc label provides a reliable way to determine a window s energy properties and to compare products.
Though energy star does not require any specific technologies certain product features are common in many certified products.
January 1 2015 the current criteria were finalized in january 2014.
Current specification effective date.
To be labeled as an energy star qualified product the nfrc ratings u factor and shgc or solar heat gain coefficient ratings must meet the 2015 energy star eligibility criteria for residential doors.
Sliding doors are included under the door criteria and definition.
Be installed between january 1 2012 and december 31 2016.
Following is the version 6 0 energy star product specification for windows doors and skylights.
Energy star program requirements for residential windows doors and skylights partner commitments 1.
Meet the energy star program requirements.
Windows doors and skylights must meet u factor and where applicable solar.
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.
Note that energy star considers glass doors to be a type of window.
The range is from 0 to 1.
Be installed in a taxpayer s primary residence.
But like a winter coat you should pick the windows doors and skylights that make the most sense for your climate.
Air leakage for sliding doors 0 3 cfm ft air leakage for swinging doors 0 5 cfm ft.
A door that contains one or more manually operated panels that slide horizontally within a common frame.
Homeowners may receive a tax credit equal to 10 of the product cost installation costs may not be included up to.
500 for eligible doors.
Windows doors and skylights protect you from the elements just like a winter coat.
A product shall meet all of the identified criteria if it is to earn the energy star.
Energy star product specification residential windows doors and skylights.