Water droplets that form when warm moist air meets a cold surface. It is common on windows, cold walls and areas with poor ventilation.
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Heating controls that adjust flow temperature depending on internal or external conditions.
The process of checking, setting up and recording that a system has been installed correctly and is working as designed.
Ventilation required for appliances that burn fuel, such as gas, oil, LPG, coal or wood.
A boiler that provides heating and hot water directly, without needing a separate hot water cylinder.
Another term for a thermal bridge. It is an area where heat escapes more easily, often causing cold spots or condensation risk.
A heating system where heat is generated in one place, such as a boiler or heat pump, and distributed around the home.
Insulation made from recycled paper fibres. It is often used in lofts, timber frames and some breathable construction systems.
The removal of failed, unsuitable or wet cavity wall insulation from a property.
Insulation installed into the cavity between the inner and outer leaves of a wall to reduce heat loss.