Products and services
for energy savings and comfort
at home and in commercial & industrial buildings

About us
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Our History

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1970 Delta Dore founded as an electronics and telecommunications subcontractor
Founded by Monique and Joël Renault.
1973 Following the oil crisis, the company launched itself into the design and marketing of energy saving products
1975 Development of heating products and services and launch of the first range of thermostats, controllers and load shedders
1987 Beginnings of European development, subsidiary opened in Spain
1994 Creation of APTITUDE SERVICE, dedicated to the company’s service sector business
2000 Launch of alarm systems (acquisition of Talco) and subsidiary opened in Germany
2004 Launch of control systems for the home
2005 Subsidiary opened in Poland
2008 Acquisition of Trilogie and Energie Système, a specialist in service sector Demand Side Management
Creation of a Board of Directors chaired by Marcel Torrents and a Supervisory Board chaired by Joël Renault.
2009 Continued internationalisation, subsidiary opened in China
2010 Subsidiary opened in followed by one in Italy.
Valérie Renault-Hoarau, the daughter of the founders, is appointed as Managing Director.
2011 creation of subsidiaries in the UK and Singapore
2012 Purchase of the German company Spega, specialized in EMS market
2014 Opening of the 1st Concept Home in Rennes : "ma m@ison connectée"
2015 Equity investment in Kiwatch, a start-up specialising in remote videa-surveillance solutions & services.