The King County Library System (KCLS) is seeking proposals from qualified contractors for HVAC maintenance and repair services at the Duvall and Sammamish libraries. The project includes addressing condensation issues on the floor slabs and lengthy changeover times from heating to cooling and vice versa. The proposed solutions should be implemented outside of library open hours. The contractor will be responsible for providing all necessary labor, materials, and supplies to complete the work. The contract will run from September 1st, 2025, to October 31st, 2025. Key aspects of the project include: • Site visits are mandatory, and the contractor must visit both libraries to understand the specific issues. • The contractor must have experience with similar job scopes and working with public institutions. • The contractor must comply with Washington State Prevailing Wage Rates and provide proof of payment. • The contractor must provide a detailed project schedule and timeline. • The contractor must have a plan for mobilization and demobilization. • The contractor must provide all necessary certifications and documentation.