How often should air conditioning be serviced?

Recommended service intervals for homes and businesses, the F-Gas rules on leak checks, what an engineer does during a service and the signs your system needs attention.
Single split vs multi split: which split system is right for you?

Cooling more than one room? We compare separate single-split systems with one multi-split system on cost, reliability, running costs and outdoor space.
How much does air conditioning cost in the UK?

Typical UK prices for home air conditioning, from one room to a whole house: what is included, what changes the price and how much it costs to run.