Heat pumps are frequently touted as a cleaner alternative to gas boilers, yet a significant question mark hangs over their effectiveness in Britain's older, larger homes, beyond modern, well-insulated properties.
These electrically powered systems draw warmth from the air or ground, promising substantial reductions in a household's carbon footprint. However, the considerable initial outlay, even with a £7,500 government grant, leaves many owners of period or expansive properties hesitant about making the switch.