Hot House, Bad House Shaun Azzopardi met up with a team of researchers led by Eur. Ing. Charles Yousif to take the concrete block to the next level. It is more exciting than it sounds. Photography by Dr Edward Duca.Continue reading bad house Caroline Caruana compressive strength energy demands Galea Curmi Engineering Services Ltd. hot house Ing.Charles Yousif limestone malta MCST Prof. Spiridione Buhagiar R.A. & Sons Manufacturing Ltd. shaun azzopardi temperature ThermHCB UoM