Split-unit or fixed air conditioning unit are fitted into an outside wall with the cooling side inside your home and the extractor outside. https://quhfvwkwzuhfkuy73um4x2u2ejhjaocmycug4cfzjywftxsdgj6a.webpkgcache.com/doc/-/s/Www.webwiki.ch%2Ftwickenhamhvac.co.uk%2Fair-conditioning-installation.html