How long will it take to pay-back the cost of the installation?
This depends on a number of factors including the level of gas prices over the coming years. We are not able to predict future energy prices, but it is unlikely that they will fall. On average 25% of a households heating bill is accounted for by hot water heating. If you now calculate how much you spend on hot water and reduce it by around 70%, you can estimate your annual saving.
