Remove existing duct system, provide and install all new R8 ducting ran on attic floor. Seal duct system below 5% leakage. Remove existing accessible insulation, air seal attic floor. Blow in new R44 cellulose insulation, deep burying the duct system. Install metal duct to exterior from range hood vent. Wall off storage area with one inch RMax foam board. Build R-Max box w/hinged lid over shutter style whole house fan. Includes permit, labor, materials, third party testing, and taxes. Installation Total $9,252 Smud Rebate ($3,000) Assigned to Huft Amount Due to Huft at Completion $6,252