Uncategorized 23 Jan 2018 FREE Green Living Guide Click the link below to download a PDF of this AWESOME Green Living Guide by Nedbank and the Sustainability Institute that we provided most of the photography for... Make a difference,… Dennis Guichard No Comments
Blog 11 Jan 2018 Why SANS 10400 XA is important In April 2014 atmospheric carbon dioxide levels exceeded 400 parts per million for the first time in recorded history. The readings are taken hourly at Mauna Loa in Hawaii and… dga.energy Admin No Comments
Blog 08 Jan 2018 Sizing Heat Pumps In order to ensure that the heat pumps you specify will perform adequately all year round it is vital that they are accurately specified in terms of their CoP Coefficient… dga.energy Admin No Comments
Blog 05 Jan 2018 The truth about glazing In providing Rational Design energy assessment services we have modelled and assessed every classification of property type, in every climate zone in the country, and are yet to see any… dga.energy Admin No Comments
