Fans

A desk fan can direct air at one position, but occupies a surface and must stand securely. A pedestal model offers height adjustment and needs room for its base. A tower has a different footprint and may distribute air at a different height; do not assume greater airflow because it is tall. A ceiling fan requires professional checks of height, support and installation compatibility, without improvised fixings or connections.

Compare airflow only when measurements and units are equivalent. Maximum speed does not describe low-speed use or comfortable reach. Check tilt, height and oscillation span to see whether the air reaches the sofa or passes above it. Oscillation shares the air but interrupts continuous flow towards each person; fixed direction may suit a single desk.

• A circulator intended to move room air and a personal fan serve different purposes. Check the declared use.

For a bedroom, gentle settings matter more than a noise figure with no identified mode. Compare measurements at similar speeds and distances. Consider beeps, lights and whether they can be disabled. A timer is not a thermostat and does not cool the air. Estimate kWh by multiplying the chosen mode's power in watts by operating hours and dividing by one thousand, then apply your tariff. If you only know the rated power, the calculation is approximate and may not represent low-speed use.

Check the base, cable length and unobstructed routes without trip hazards. A remote helps make changes from bed, but verify that basic functions remain accessible on the fan. Check permitted grille opening and cleaning of blades or ducts. A hard-to-clean design can collect dust despite looking neat.

Disconnect the power supply before cleaning as instructed in the manual and keep objects and water out of the motor. Keep children, animals, curtains and loose items away from inlets and blades. Do not use in damp areas unless designed for them. Grilles and controls do not replace supervision. Choose a workable position, not merely an attractive size.