mattjgreenwood asked:
You could recoup the cost within 5 years of improved efficiency if your existing boiler is more than 10 years old, you reduce the probability of it breaking down in a cold spell if serviced regularly and consider the benefit to your grandchildren If everyone in the UK installed a condensing boiler...

We would cut CO2 emissions by 18.6 million tonnes. This is enough energy to power four million homes for a year!

The equivalent energy saved would power the...