How to Choose Air Conditioning for Your Home

Choosing your AC

There is no single best air conditioner for every property. Compare the exact indoor and outdoor pairing, the capacity your room needs, sound figures at comparable fan settings, controls and the complete fitted price. A brand name or a low starting price does not answer all of these questions.

• Choosing the right size: what room information matters and why the biggest unit is not automatically the right choice.
• Multi room systems: shared outdoor equipment, room controls and available capacity when several rooms run together.
• Installation costs: compare equipment, installation scope, allowances and the total you will pay.

Comparing specific models? See the best permanent air conditioning units for 2026 for fitted systems, the best portable units for 2026, or portable or wall mounted if you are still deciding between the two.

Compare the unit types

Floor standing and cassette installations are quoted individually. Supported wall mounted packages can be estimated through our online questionnaire. The installation check confirms the equipment and final scope.

Comfort and efficiency

A cooling capacity label is not the electricity the complete system consumes. Our running costs and heating guide explains the calculation, seasonal efficiency ratings, operating schedules and winter heating considerations.

For home offices, bedrooms or other spaces, compare comfort at the settings you will actually use. Indoor fan noise, airflow direction and the system's ability to reduce output can matter as much as its maximum capacity. Tell us if heating will be the main purpose so winter performance can be assessed.

I already have air conditioning. Where do I go for help?

Use Care and Support for routine owner care, safe checks and professional assistance. Buying advice is not permission to open equipment or attempt a repair.