Air conditioning for bedrooms
Bedrooms are the most common domestic installation we are asked about, and the one where quietness and airflow matter most.
Sleeping in a warm room
Sleep is disrupted when the room is much above 18–20°C. Upstairs bedrooms in houses with slate or tiled roofs, loft conversions and rooms with large south- or west-facing windows hold the day’s heat well into the night. Opening a window brings in noise and insects and often does not help when it is warmer outside than in.
What matters in a bedroom
- Sound level. Indoor units are rated in dB(A). Look for the lowest-speed figure, not the maximum.
- Outdoor unit position. The outdoor unit is louder, so it should not sit under your bedroom window or on a neighbour’s boundary.
- Airflow direction. The unit should not blow directly onto the bed. The position on the wall decides this.
- Sleep modes and timers. Raise the set point overnight, or switch off after you are asleep.
Installation
A bedroom is normally a single wall-mounted split. Pipework runs to an outdoor unit on an external wall or ground stand, and can often be concealed in the loft or an adjoining cupboard. For several bedrooms, a multi-split avoids a row of outdoor units. See installation, or the wider domestic page.
Common questions.
Is air conditioning in a bedroom noisy?
A modern indoor unit on low speed is typically very quiet — often around the level of a quiet library. The outdoor unit is louder, so its position matters.
Can I use it for heating in winter?
Most units are reversible and will heat efficiently, which makes them useful in a bedroom without radiators.
Is air conditioning bad for sleep or health?
Used sensibly, no. Avoid setting it very low, avoid direct airflow, and keep the filters clean.
Talk to the engineers.
Call, message or send the form. We reply the same working day wherever we can.
