Guyou Construction, Inc. is a full-service energy solutions provider. We specialize in energy efficiency upgrades for home and business owners. Upgrades include solar electric systems, energy efficient California Climate roofs, high-quality energy-efficient vinyl replacement windows and doors by Anlin Window Systems, and Cool Wall Coating by Tex-Cote. California State Licenses: B - General Contractor C-10 - Electrical Contractor C-46 - Solar Contractor C-39 - Roofing Contractor NABCEP Installation Professional