Though energy star does not require any specific technologies certain product features are common in many certified products.
Energy star exterior door requirements.
The nfrc label provides a reliable way to determine a window s energy properties and to compare products.
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.
Tax credit for energy star qualified windows doors and skylights.
Following is the version 6 0 energy star product specification for windows doors and skylights.
There are several requirements that energy star doors must first meet.
Opaque 0 17 no rating lite 0 25 0 25 lite 0 30 northern and north central 0 40 south central and southern 0 25.
Air leakage for sliding doors 0 3 cfm ft air leakage for swinging doors 0 5 cfm ft.
A product shall meet all of the identified criteria if it is to earn the energy star.
Be installed in a taxpayer s primary residence.
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.
First the door must be manufactured by an official energy star doors partner.
Sliding doors are included under the door criteria and definition.
To be eligible for the credit windows doors and skylight must.
Energy star program requirements for residential windows doors and skylights partner commitments 1.
But like a winter coat you should pick the windows doors and skylights that make the most sense for your climate.
January 1 2015 the current criteria were finalized in january 2014.
Be installed between january 1 2012 and december 31 2016.
Energy star product specification residential windows doors and skylights.
Effect at that time.
The energy star for windows doors and skylights product qualification label must be clearly displayed on all qualified windows doors and skylights.
All display units for qualified products must display the energy star for windows doors and skylights display unit label.
A door that contains one or more manually operated panels that slide horizontally within a common frame.
Windows doors and skylights protect you from the elements just like a winter coat.
Windows doors and skylights must meet u factor and where applicable solar.
Current specification effective date.
Energy efficiency requirements for doors glazing level u factor1shgc2.