Frequently Asked Questions

Q's on the DesignLights Qualified Products List (DLC QPL)

1. Where can I see the Qualified Products List?
2. Once my product receives an incentive how can I market it to my customers?
3. What information does the DLC QPL Subscribers see on the Qualified Products List?

Q's on the DLC QPL Process

1. How will my application be reviewed?
2. What happens after I have gone through the application and payment process?
3. If my product PASSED, how do I know which utilities will incentivize my product?
4. What is the cost to apply and is Credit Card the only form of payment you accept?
5. How will DLC QPL phase out their product categories when ENERGY STAR decides to take them on?

Q's on the DLC QPL Application requirements

1. Where can I find labs that test for LM-79?
2. What if we are working with a lab that is NOT on the CALiPER list?
3. What if the lab module does not have full LM 80 results?
4. If we conduct our own UL 1598 testing will that meet the DLC QPL requirements?
5. I know I can apply for a product but can I apply for a ‘product family’?
6. Referring to the online application form, what is the LED Package Part number?
7. How is lumen maintenance in Option 1 calculated?
8. Why is a Temperature Measurement Point needed for DLC requirement?
9. Under what version of technical requirements is my application evaluated?
10. During the manufacturing of a luminaire, can thermocouples be attached to the LED at the specified TMP, take photos of the internal attachments showing location, and run the wires out through a hole as described in Energy Star® Manufacturer’s Guide for Qualifying
Solid State Lighting Luminaires – Version 2.1?
11. How should center refrigerated case fixtures be submitted?
12. What orientation is required for reporting zonal lumen densities?
13. Under the technical requirements, Is the The minimum lumen capacity of 35 lm/w is measured at the center or at the side?
14. How should luminaire efficacy be reported?
15. In the extreme case where the insitu temp is lower than all of the LM 80 results. What would the 3rd temperature be?