Forms and Checklists Forms and Checklists Optional Weatherization Data Collection Form This is an optional form to assist utilities in collection of information required by BPA for weatherization measures: Download Check with your local utility program for additional forms or requirements. “At a glance” Field Guide Checklists Envelope Single-Family Attic Insulation Identifying Roof Leaks Mechanical Ventilation/Venting Bath Fans Single-Family Wall Insulation Single-Family Floor Insulation Ground Barrier Manufactured Home Belly Insulation Manufactured Home Roof Insulation Prime Windows and Patio Doors Low E Storm Windows Insulated Exterior Doors Prescriptive Duct Sealing Mechanical Ductless Heat Pumps Advanced Smart Thermostats Heat Pump Water Heaters Optional Performance Tested Comfort Systems (PTCS) Forms Air Source Heat Pump PTCS Registry Duct Sealing Prescriptive Duct Sealing Qualified Products Lists HVAC Ductless Heat Pump Qualified Products List Smart Thermostat Qualified Products List Water Heating Heat Pump Water Heaters Qualified Products List Thermostatic Shut-Off Valve Qualified Products List Find additional BPA qualified products lists. More BPA Resources Weatherization Essentials Residential HVAC Essentials PTCS Essentials Water Heating Essentials