Your air conditioning questions, answered

Use the form or ring 01926 967778, and tell us your postcode and the rooms involved. We call back and book a survey if the job looks possible.

Checkatrade's May 2026 national figures put a wall unit at about £1,900 to £2,240 fitted, with electrics adding £400 to £700. Our cost guide has the breakdown.

Checkatrade quotes 20p to 60p for each hour it runs. Our cost guide shows a worked sum using the current price cap.

Usually one of them leaves something out. Check electrics, access equipment, pipe length, consents and whose F-gas certificate covers the job.

A reversible unit heats the room it serves by running in reverse. See air-to-air heat pumps.

Much cheaper. At a seasonal efficiency of 4, each kWh of heat takes a quarter of the electricity.

Generally not, so you keep your boiler or cylinder.

As a starting point, 15 to 25 square metres wants about 2.0 to 2.5kW, more for tall rooms and sunny ones. See the size guide.

Usually yes, and adding a new circuit to a home is notifiable work under Part P.

They can, on a multi-split, which is often the answer on terraces.

Usually, if there is enough wall height and a route for the pipes. Read the loft guide.

If you rent or need a stopgap, quite possibly. Our comparison is honest about it.

Not always. A reversible unit on a house may be permitted development if it meets the conditions. Read the planning guide.

Walls and roofs that face a road are excluded, as is anywhere nearer the road than the building. Much of central Leamington is in one.

Perhaps, once listed building consent is in place, where the work affects its character. See listed buildings.

Your freeholder, in writing, before anything else. See air conditioning in a flat.

For permitted development, a calculated 37 dB(A) or less next to the neighbour's nearest door or window.

No. It has to be reasonable, and employers have to assess heat as a risk. See office air conditioning.

A five-yearly energy check, required once the air conditioning under one person's control adds up to over 12kW.

Every year is enough for most homes, ideally in spring. See servicing for busier sites.

A blocked drain is the likeliest cause. Turn it off, catch the drips and see repairs.

No. A sealed system keeps its refrigerant, so low gas means there is a leak to find.

Yes. Have the make and model handy.

Leamington Spa, Warwick, Kenilworth, Stratford-upon-Avon, Coventry, Rugby, Solihull and the villages between. Every village is named on the areas page.

Perhaps. Ring 01926 967778, or put it on the form, and we will tell you.