This special page is aimed primarily at owners of One and multi-family houses have questions about domestic fire safety. Since June 2005, homeowners / owners of older buildings, ie with a year of construction (completion) before 01.06.2005 committed until 31.12.2014 in accordance with the statutory requirements (HBO) with smoke detection systems retrofit. All buildings built after 01.06.2005 / ready have been provided with smoke detection systems from this date. Ask us, we are happy to advise you on the type, number and requirements of the smoke detection systems. 592/5000 This special page is primarily at owners of One and multi-family houses have questions about domestic fire safety. Since June 2005, homeowners / owners of older buildings, ie with a year of construction (completion) before 01.06.2005 committed until 31.12.2014 in accordance with the statutory requirements (HBO) with smoke detection systems retrofit. All buildings built after 01.06.2005 / ready have been provided with smoke detection systems from this date. Ask us, we are happy to advise you on the type, number and requirements of the smoke detection systems.