I'm in Canada, so I emailed creelightingcanada@cree.com. Looking at this page, it appears the US one is info@cree.com: https://lighting.cree.com/resources/warra

I'm in Canada, so I emailed creelightingcanada@cree.com. Looking at this page, it appears the US one is info@cree.com: https://lighting.cree.com/resources/warranties https://lighting.cree.com/resources/warranties