Best cat doors

We just installed our third cat door on the attached garage. We have two in the house, one for the front porch door and one for the back porch door. Our cats love that they can come and go as they please and avoid any strangers in the house with the front and back doors. The north winter wind does not come in the front porch door, nor does the south winds affect the back door. We had a different cat door before that wind blew easily blew open. Thank you