To see these air conditioners face to face for a complete demo, you can reserve a showroom trip listed below. http://m.t.pungdeung.com/member/login.html?noMemberOrder=&returnUrl=http%3A%2F%2Fezproxy.cityu.edu.hk%2Flogin%3Furl%3Dhttps%3A%2F%2Fcanningtownairconditioning.co.uk