Single Room Heat Recovery Unit Installation in Dublin

A single room heat recovery unit, sometimes called single room MVHR or decentralised MVHR, does in one room what a whole house MVHR system does for the whole home. It suits:

• One or two problem rooms: a bedroom on a cold outside wall with condensation every morning, or a bathroom that never dries.
• Homes with no route for ducts: where running ducts through the attic and ceilings to every room is not practical.
• Apartments: where there is an outside wall to the room but no attic or plant space.
• Extensions and attic conversions: new rooms added to an older house.

If the whole house is damp, or you are building new, a whole house MVHR system is usually the better answer, and we tell you honestly which suits your home. Our page on ventilation installation compares the systems side by side.

The unit sits in a round opening through the outside wall, with a slim cover on the inside and a grille on the outside. Inside it, a fan and a heat exchanging core move air in and out of the room.

• Out: warm, moist air from the room passes through the core on its way outside, and the core keeps much of the heat.
• In: fresh outside air is filtered and warmed by the core on its way in.
• Continuous: it runs quietly all day, so the moisture from showers, cooking, drying clothes and sleeping leaves the room before it can condense on cold walls and windows.

Many units can be controlled by schedule or from a phone, and they need little looking after beyond regular filter cleaning.