Typically, an existing home gives off more than double the carbon emissions (and has twice the fuel costs) of a new house.
Retrofitting existing housing gives better energy and carbon savings per pound spent than any new build measure or renewable technology. Key energy saving retrofit measures to consider are:
- controlling ventilation by draught proofing, blocking up unused chimneys, sealing leaky timber ground floors and introducing humidity controlled extractor fans where needed;
- insulating solid walls, replacing single glazed windows with new high performance double glazed windows, filling cavity walls, and insulating lofts and roofs;
- installing new highly efficient gas condensing boilers with thermostats and programmers and thermostatic radiator valves.
But this is just the technology. A good retrofit will look at much more than the physical changes to an individual house. Here are five points to bear in mind…. MORE
A great little article by Arup Associates
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