Specifications include, but are not limited to: Contractor is to install central heating and cooling system to the following specifications that apply. MSRP - CENTRAL HEATING and AIR CONDITIONING SYSTEM, COMPLETE : 15-651: Contractor to calculate the proper size of all HVAC equipment and materials. Install/Replace a Central HVAC system with a properly sized, high efficiency (14 SEER), Central heating and air conditioning unit per specifications. All permits, duct sheet & inspection form, green tag. Installation to include removal of existing system and all its components and to be replaced with new parts and equipment to. GC shall provide a 3 year service agreement. Enter tonnage of unit as units of measure. All materials and/or equipment demolished or repaired are considered salvage and belong to the General Contractor for use or disposal. Comments: leave existing metal ductwork/boots, replace registers and provide certificate of ductwork cleaning, clean in wall return air plenums as needed, 425 per ton used