If you aren't sure whether you can mount a/c in your house, a competent tradesperson can aid you identify what you will need for the task. http://www.google.no/url?sa=t&url=https%3a%2f%2fitalianculture.net%2Fredir.php%3Furl%3Dhttps%3A%2F%2Fkensalgreenairconditioning.co.uk