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Most households had also made some ‘no-cost’ behaviour changes, estimated to give at least 5% savings on average.
Table: Calculated Emission Reductions (tCO2e) savings derived from follow-up survey data (56 household sample)
| Appliances | 0.61 |
| ASHP | 4.2 |
| Behaviour | 13.5 |
| Cavity insulation | 3.77 |
| Draughtproofing | 2.11 |
| Heating systems | 18.17 |
| Improved insulation | 0.34 |
| Loft insulation | 5.77 |
| Low energy bulbs | 2.14 |
| PVs | 1.72 |
| Wood stove | 2.68 |
| Grand Total | 55.01 |
Average emissions per household are approx. 6 tCO2e/year, therefore direct savings from energy audits to date assuming an average of 18% savings per household are approx. 400 x 6 x 0.18 tCO2e/year = 432 tCO2e. More importantly, the energy audits have given households the information they require to make future, much larger carbon savings once obstacles, particularly of finance, have been removed.
