Air conditioning installation in London

Sometimes. It depends on the building, where the unit goes and the borough. Flats, listed buildings, conservation areas and units facing the street are the most likely to need consent, and your council’s planning department can confirm for your address.

As a rule of thumb, a multi-split runs anywhere from two to five indoor units off a single outdoor condenser, depending on the make and how much combined capacity the rooms need. We size the system to match the rooms, not to whatever happens to be sitting on the van that day.

Refrigerant work is carried out by F-Gas registered engineers, which is a legal requirement, not an optional extra. We can show the certification on request.

Most split systems sold now can, because the unit can run in reverse and move heat into the room rather than out of it. Whether it makes sense as your main heating depends on the room and what else heats the house, which we can talk through at the survey.

For a single split, the main work is one hole through the outside wall for the pipes, cable and drain, usually hidden behind the indoor unit, and a straightforward job is often done in a day. Multi-splits take longer because pipework has to reach each room. Where every pipe will run is agreed with you before any drilling starts.

Yes — annual maintenance and F-Gas leak checks are a separate service, covered on our air conditioning maintenance page, and available whether we installed your system or not.