Energy efficiency first! Before you think about installing a system to generate your own heat, make sure your home is as energy efficient as it can be. All heat-producing systems are most efficient when used in highly insulated buildings. Focus on improving insulation and tackling draughts .
The Energy Saving Trust's buyer's guides and field reports have lots of extra information about systems to let you generate your own energy.
Find out how much you could earn and save when you generate your own energy with hydro, micro CHP or wind power.
The calculator lets you see how the cash your installation earns can repay a loan to cover the upfront costs, and even potentially make you a profit!