Add these 2 ites and convert your still air unit too a forced air unit. I already had a 12v adapter/converter
https://www.amazon.com/gp/product/B01CZFUOD0/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B00G9KRJ9U/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B01CZFUOD0/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B00G9KRJ9U/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1