19/08/2026
When designing renewable systems, one of the most useful things you can include in a home is a dedicated plant room.
Ideally, it should be centrally located and, where possible, on an outside wall. This gives you one dedicated space for key equipment such as the MHRV unit, solar PV inverter, battery, hot water cylinder, underfloor heating manifolds, control panels and consumer unit.
It can also help performance. For example, if the MHRV is positioned on an outside wall near the air source heat pump, the warm exhaust air leaving the house can go back into the air source heat pump, giving an extra efficiency benefit.
Without a proper plant room, equipment often ends up spread across utility rooms, hot presses and storage cupboards, which is far less practical.
A well-designed plant room makes life easier during the build, keeps the house more organised and makes annual servicing much more straightforward in the years ahead.
If you are planning a self-build or working on house plans, it is well worth thinking about this early.
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