questionText: To ask the Secretary of State for Energy Security and Net Zero, what assessment his Department has made of the potential impact of zero emission domestic boilers on the transition to net zero.
answerText: Zero emission boilers, or heat batteries are a promising technology because they utilise time-of-use tariffs, do not require outside space, and can be cheaper to install than heat pumps in some circumstances. However, they are also less efficient than hea...
heading: Boilers: Carbon Emissions