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ENERGY NOTES - ELECTRIC HEAT, continued Page 2 <br />Air Sealing, continued: <br />5. Vapor barrier may be either face stapled batts, 4 mil visqueen or a <br />vapor barrier paint. <br />Insulation: <br />1. Faced batts are lapped and face stapled at framing members. <br />2. All exterior wall cavities are filled with uncompressed insulation, <br />including all cavities isolated during framing. Wiring and plumbing <br />do not compress insulation. <br />3. All recessed fixtures in exterior walls have rigid board insulation <br />behind them. <br />4. Underfloor insulation is supported by lath, twine, or by other <br />non -compressing means. <br />5. Attic access door is baffled, weatherstripped, and insulated. <br />NON -HEAT RECOVERY VENTILATION <br />1. Whole house ventilation fan 1s capable of exhausting 10 cfm from each <br />bedroom and 10 cfm from each combined living area (cfm rating . 10 x <br />(number of bedrooms + 1). <br />2 Whole house exhaust ventilation fan has both automatic (timer clock or <br />dehumidistat) AND manual controls. <br />3. The whole house exhaust fan has a sone rating <. 2.5 or is remotely <br />located from conditioned space. <br />4. All exhaust fans or exhaust ducts have tight -fitting backdraft dampers. <br />5. Exhaust ductwork is sized according to plans and is insulated in <br />unheated spaces. <br />6. Each bedroom and combined living area has a through -the -wall port or <br />central ducted vent capable of providing 10 cfm or outside air. <br />7. Air intake ports are located away from potential sources of air or <br />noise pollution, and have adequate bird and bug screens. <br />B. Air intake source has provision for flow control to lima' excessive <br />air flow under normal operation. <br />0484H <br />