Honeywell 527SHON105BLK Roof Mount Solar Panel with Attic Fan, 12-Watt Ventilates up to 1250 square feet Thermostat controlled Commercial grade 12 watt solar panel Motor is warranted to be free from defects for 5 years; solar panel and housing are warranted for 20 years May qualify for federal and/or local tax rebate Ventilates up to 1250 square feet Thermostat controlled Commercial grade 12 watt solar panel Motor is warranted to be free from defects for 5 years; solar panel and housing are warranted for 20 years May qualify for federal and/or local tax rebate