Specifications include, but are not limited to: The PHMC administers 21 historic sites and museums throughout the Commonwealth and has a need for a qualified suppliers(s) to provide for assessment of existing heating, ventilating and air conditioning (HVAC) and related systems, monitoring of system performance, trouble shooting and repair, preventative maintenance planning and execution, and emergency repairs for, HVAC and related systems, humidification and dehumidification systems and water treatment systems. Inspect and evaluate condition and operation of existing HVAC systems and related equipment, update information in the inventory and condition spreadsheet or database, review equipment manufacturer's operation and maintenance manuals and other documentation and update preventive maintenance plan and schedule for each site. An up to date equipment inventory and current preventive maintenance plans are attached as Appendices C 1-3, & Appendix F. Using preventive maintenance work plan developed for the site, perform preventive maintenance work in conjunction with PHMC contract administrator and staff of each respective site location. Review system performance and help identify and trouble shoot system problems through iWACS system and on-site inspections and service visits. Respond to emergency requests for service and repairs. Make recommendations as requested and/or appropriate for system component upgrades including equipment, controls and/or whole systems toward meeting PHMC goals. Provide duct cleaning services as requested by PHMC. Provide ancillary services of plumbing and electrical trades as required to achieve complete functioning HVAC systems