Installation and Maintenance of Efficient Energy Systems . HOME ABOUT US FACILITIES MAINTENANCE GAS SUPPLY OTHER SERVICES NEWS CONTACT With Gas we close the Circle. We transform your facilities. Smarter Financing . Comprehensive Maintenance with Total Guarantee News Cost distributors and thermostatic valves. 01/15/2014 The new Directive of the European Parliament on Energy Efficiency requires the installation, before 2017, in all buildings with central heating, individual consumption meters in all homes, in order to be able to distribute the heating costs. For more information, you can contact our commercial department. Contact: C / Narváez, 80 Tel: 91 574 6700 Fax: 91 504 2022 28009 Madrid