Air conditioning in Sheffield

Is air conditioning worth it?

If you work from home, sleep badly in the heat or care for someone vulnerable to it, a split unit in one room can be worth the cost. It cools quietly and much more effectively than a fan.

Most split units are air-to-air heat pumps, so they also heat efficiently in winter. That makes them more useful in Sheffield's climate than a cooling-only unit.

Try passive cooling

Shade windows from outside, close curtains on sunny sides during the day and open windows at night. On a hillside, cool air often flows downhill after dark; opening windows on the uphill and downhill sides creates a through draught.

Sizing and placement

A unit that is too small runs flat out and still struggles on the hottest afternoons. One that is too big cools in short bursts and leaves the air clammy. The installer should size it from the room's floor area, windows and sun exposure, not just pick a standard model.

On sloping plots, the outdoor unit may sit well above or below the indoor head. Long vertical pipe runs are possible but need checking against the maker's limits.

Consent and installation

Renters need written permission from their landlord. Leaseholders need the freeholder's consent. In conservation areas, outdoor units on front walls may need approval. The engineer must hold an F-Gas certificate.