Check your Engineer: The law now requires that all companies or individuals installing, maintaining or servicing split air conditioners are registered by a DEFRA approved certification body in order to ensure their competency to handle refrigerant gases & equipment. AirconWarehouse is registered with REFCOM - Registered No. REF1003487 . It is an offence for any non registered company or person to install or service air conditioners. Legal Notice: All site elements & photos copyright airconwarehouse 2005-2009 or it's licencors - No reproduction without written permission. Use of this site is limited solely to those persons or organisations agreeing to the terms & conditions of use. This site is operated & maintained by Airconwarehouse (Sales) Limited.