They made a saving of approx. £3k per year on their fuel bills. They will receive RHI payments of £32,300 over the next 7 years. Taking into account the cost of supplying and fitting their heat pump, they will make a saving over the 7 years of £21k.
And we finished the fitting of the full heating system within 10 days, just in time for the family to get ready for Christmas. Not to mention the handy Nest thermostat installation, so the heating can now be controlled by mobile phone.