NorthEast Windows USA has been manufacturing vinyl windows & doors in Merrick, New York, for over 70 years now. All Northeast windows & doors are AAMA Gold Label Compliant, meaning it has passed rigorous structural tests given by the American Architectural Manufacturers Association. Along with AMAA, NorthEast Windows USA is also Energy Star rated by NFRC (National Fenestration Rating Council). They randomly test doors & window configurations for Energy Statistics, we consistently receives some of the lowest U Values in the region. Buying NorthEast product is buying the best. All NorthEast Windows USA products are strictly manufactured using a pure PVC vinyl, proven by our AAMA Gold Label compliancy. NorthEast Windows USA is proud of all of their products that they are backed by an on-going limited lifetime warranty.