Resources Below is a list of resource books from the Zero Carbon Hub, they are full of useful information for retrofit. Zero Carbon Hub Builders BookDownload ZCH-OverheatingLeaflet-4-Definitions-S_0-1Download ZCH-ThermalBridgingGuide-Screen_0-1Download TBH-DesignGuide-Screen-1Download ZCH-ServicesGuide-Screen 2Download ZCH-OverheatingLeaflet-3-Modelling-S-1Download ZCH-OverheatingLeaflet-5-TechnicalSolutions-S_0-1Download ZCH_Ventilation-1Download ZCH-CostEfficiencyGuide-FINAL_0-1Download ZCH-OverheatingLeaflet-1-Impacts-S-1Download ZCH-SAPUntangled-Screen-1Download Zero Carbon Hub 2015 FINAL REV 2910_WEBDownload