Specifications include, but are not limited to: Install/Replace a Central HVAC system with a gas furnace. The unit will be high efficiency (14 SEER), sized according to Manual J and meet or exceed Section 15- Mechanical specifications. GC shall provide a 3 year service agreement. All materials and/or equipment demolished containing refrigerants, refrigerant oils or its by products are considered hazardous and belong to the General Contractor and shall be removed off the premises. Contractor, list equipment to be installed. "X6" stiles & treads: Install or Replace attic ladder, installation shall not disturb more than the lead base paint de minimis levels of 2 square feet per room or space of overall project or jobs.