Specifications include, but are not limited to: Contractor is to install central heating and cooling system. A) Each room designed to be living space will have a minimum of one duct and vent except where the size of the room would require more than one. Ducting requirements will be calculated using industry standard duct calculations based on the heat and cooling load required by each room. The exception to this would be in bathrooms where there is electric heat and an electric ventilation fan. The return air grill and thermostat will be placed within the structure in a manner that will allow good air circulation and high performance of the heating and cooling cycle. Contractor will insure system balance by the practice of undercutting doors, installing door grills, or installing jumper ducts.
