26
PROVISION FOR VENTILATION
The room containing the cooker should have an air supply in accordance with BS.5540:
Part 2: 1989.
All rooms require an openable window or equivalent while some rooms require a perma-
nent vent in addition to the openable window.
The cooker should not be installed in a bed-sitting room, of volume less than 21 m
3
.
Where a DOMESTIC COOKER is installed in a room or internal space, that room or inter-
nal space shall be provided with a permanent opening which communicates directly with
outside air and is sized in accordance with table below. In domestic premises the perma-
nent opening shall be an air vent.
If there are other fuel burning appliances in the same room, BS.5540: Part 2: 1989 should
be consulted to determine the requisite air vent requirements.
If the cooker is installed in a cellar or basement, it is advisable to provide an air vent of
effective area 100 cm
2
, irrespective of the room volume.
(
❊
)
If the room or internal space containing these appliances has a door which
opens directly to outside, no permanent opening is required.
MINIMUM PERMANENT OPENING FREE AREA FOR FLUELESS APPLIANCE
5 m
3
to 10
m
3
Openable
window or
equivalent also
required
Maximum
appliance
rated input
limit
Room volume
11 m
3
to
20 m
3
> 20 m
3
< 5 m
3
Type of appliance
Domestic oven,
hotplate, grill or any
combination thereof.
None
50 (
❊
)
cm
2
Nil
cm
2
Nil
cm
2
100
cm
2
Yes