Insulating Your Home
The media has bombarded us recently with many ecologically friendly means of reducing our household carbon emmissions. These range from photo voltaic cells on the roof to a boiler lagging jacket. Below is a simple table where we rank these according to cost payback period and tonnes of carbon emissions reduced.
| Cost | Years to recoup cost | Kg of carbon saved each year | |
|---|---|---|---|
| Hot water tank insulation | £14 | 0.5 | 53 |
| Loft Insulation (150-200mm) | £180 | 2.2 | 190 |
| Cavity wall Insualtion | £400 | 2.9 | 242 |
| Improved heating Controls | £147 | 3.4 | 77 |
| Draught Proofing windows | £100 | 4.3 | 43 |
| Micro CHP (combined heat and power ) | £1571 | 6.8 | 508 |
| Photovoltaic electricity cells on roof | £10000 | 7 | 1000 |
| Solid Wall Insulation | £3150 | 7.5 | 694 |
| A Rated Boiler | £1500 | 8.9 | 177 |
| Ground source Heat pump | £4725 | 12.8 | 990 |
| Micro Wind Turbine | £2363 | 10.5 | 263 |
| Photo voltaic electricity cells on roof | £9844 | 46.4 | 249 |
| Solar Water | £2625 | 54.7 | 88 |
| Windows Single to double glazed | £4000 | 97.6 | 26 |