The F1145 ground source heat pump from NIBE (
www.nibe.co.uk) features an integrated immersion heater as a backup. It is available in 15kW and 17kW outputs.
The DuoWIN biomass boiler from Windhager (
www.windhager.co.uk) can accept logs and pellets. The unit has two independent heat exchanger systems to increase reliability
If you’re building your own home, you have a great opportunity to create something that’s sustainable to construct and live in. One of the key considerations will be how to keep the house at a consistently comfortable temperature (as well as provide sufficient hot water). A variety of renewable options are available, but for many of us the goal will be to find a solution that’s as simple and cost-effective as possible.