SK Collaborative works with developers, builders, remodelers, contractors, architects, and homeowners to implement cost-effective techniques that improve building performance. Our services include design reviews, charrettes, training, building envelope consulting and testing, and green and healthy housing certification for single family, multifamily, and light commercial buildings. Our team has certified tens of thousands of homes across the U.S. under the following programs: NGBS Green, Enterprise Green Communities, LEED for Homes and Neighborhood Development, EarthCraft, ENERGY STAR, FitWel, and Green Globes.