Practical demostration October, 16th 2017 – Renovation of a residential building on the ultra-energy level of construction 16 October 2017 Obnova bytového domu na ultranízkoenergetickú úroveň výstavby [Show slideshow] Podobné články Slovakia: Open Consultation on 4 energy efficiency decrees 18 September 2015 Video: Trombeho stena 25 November 2017