• Airtightness: A to Z of draughtproofing Airtightness Airtightness is key to concepts of draughtproofing. If air can’t get past a barrier then by definition that barrier is airtight. This is great for keeping biscuits fresh, and for keeping your home comfortable. It can be a relative term though and something that’s difficult to measure, so here we look a little closer. Passivhaus The Passivhaus ...
  • Fitting windows effectively for top energy performance Fitting windows effectively for top energy performance A recent technical article in The Installer magazine on fitting windows effectively raises a very good point: any energy saving measure is only as good as its installation, particularly when it comes to windows. We were shocked to read that windows can be so poorly fitted, assuming naïvely that ...
  • Minimum Energy Performance Standard What is the Minimum Energy Performance Standard (MEPS)? Minimum Energy Performance Standard – not only a mouthful but set to be a headache too. MEPS is the aspect of the 2011 Energy Act intended to improve the energy efficiency of buildings in the private rented sector, both residential and non-residential. The minimum standard proposed is band ...
  • Monitoring energy is not saving energy Monitoring energy vs taking real steps This section has focussed before on monitoring energy and the distinction between knowing (or thinking you know) how much energy you’re using, and taking real, measurable steps to reduce that energy consumption in a range of ways, eg thermostat control, insulation, lowere energy appliances and domestic habits. This article from ...
  • Retrofit for energy efficiency success What makes a successful energy efficiency retrofit? Short-term thinking: a retrofit disaster I read an article on the Sustainable Homes website today that brought to mind a conversation with an ex-colleague, the property manager at a historic house in the south east of England. Her point was that ever since the sash windows had been sealed in ...