Curly Steve and Stephen Murphy discuss the impact of home energy use on the UK's carbon emissions, which account for 20%. Stephen, a low-carbon energy advisor, emphasises the importance of insulation, particularly loft and solid wall insulation, and the benefits of heat pumps over traditional heating systems. He highlights the role of Community Energy Plus in guiding homeowners through retrofitting processes, including grants and financing options like the Boiler Upgrade Scheme. Stephen also stresses the need for proper ventilation and moisture control during retrofits. The conversation concludes with practical tips for reducing energy use and the importance of starting the retrofitting journey.