The National Association of Home Builders (NAHB) named the winning products in its seventh annual Best of IBS Awards during the 2019 NAHB International Builders' Show (IBS) in Las Vegas. Andersen Windows’ Easy Connect Joining System won the Best Window and Door Product award, as well as the most prestigious Best in Show award.Awards were given to IBS exhibitors with a product or line that shows the best combination of design, functionality and innovation, as well as its usefulness to consumers and/or home builders, according to conference organizers.