Advice and guides
Know what you’re buying
Plain-English guides from our engineers on choosing, running and looking after air conditioning at home.
Featured · Buying guide
What size air conditioner do I need?
Kilowatts explained, with a simple guide to bedrooms, living rooms and kitchens.
5 minute read
Installation
Do I need planning permission for air conditioning?
What counts as permitted development, and when you need to check.
4 min read
Buying
Air conditioning vs portable units
Why a fitted system is quieter, cooler and cheaper to run long term.
6 min read
Running costs
How much does air conditioning cost to run?
What affects running costs, and simple ways to keep them down.
5 min read
Maintenance
How often should air conditioning be serviced?
What a service involves and why it protects your warranty.
3 min read
Running costs
Can air conditioning heat your home?
How reversible systems work, and where they make sense.
4 min read
Buying
Wall-mounted or multi-split: which is right?
Choosing between one unit per room and one outdoor unit for several.
5 min read
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