One-time service to replace ALL HVAC replacement filters excluding boilers and chillers. This service does not include boilers or chillers. Repair services shall not be included in this service. Suppliers must perform this one-time service in accordance with specification, terms and conditions across selected DHR county offices. Each county location has been identified within the spec. Suppliers are required to conduct site visits to view the quantity, size and type of filters for replacement per air handler. Unit price shall represent the total cost of providing one-time HVAC filter replacement service per specification. Total price shall include all costs inclusive of, but not limited to: travel time, mileage, labor cost, trip charges if applicable, materials, filters, supplies, equipment rentals used to complete a one-time air handler filter replacement service. All service shall be first class in every respect; all items should be new. Type of replacement filters required: Pleated filters (standard for most HVAC systems). HEPA (High Efficiency Particulate Air) filters (ASHRAE standard defines HEPA filters as those that remove at least 99.97% of particles ≥ 0.3 microns.) Suppliers shall be responsible for providing all necessary filters, change out and proper disposal. Suppliers shall ensure the installation of new air handler filters, and the proper removal/disposal of old filters, following all industry guidelines, requirements, standards and manufacturer specifications.