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Guides and advice

Air conditioning guides from our engineers.

Straight answers on costs, rules and choosing the right system for your home or business, written by our F-Gas certified team.

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Written by engineers30+ years' experience

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Start with the question you have now.

Free calculator

What size air conditioner do I need?

Find the right kW and BTU for any room, with a free size calculator.

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Prices

How much does air conditioning cost in the UK?

Fitted prices for every system and what changes the price.

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Running costs

How much does air conditioning cost to run?

Hourly cooling and heating costs at today's energy prices.

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Heating

Can air conditioning heat your home?

How air-to-air heat pumps heat in winter, often for less than gas.

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Buying guide

Single split or multi split: which is right for you?

How each works, what it costs and which suits your home or business.

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Buying guide

Portable vs fitted air conditioning

Running costs, noise and cooling power compared.

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Buying guide

Is air conditioning worth it in the UK?

An honest look at the costs and benefits for UK homes.

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Planning

Do you need planning permission for air conditioning?

The rules in England, Wales, Scotland and Northern Ireland.

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UK law

Why F-Gas certified installation matters

What the law says and how to check your installer.

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Our brands

Daikin and Mitsubishi Heavy Industries

Their history, the technology inside and why they're worth it.

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Need help?

Not sure what you need?

Find the right sizeUse our free air conditioner size calculator.Book a free surveyFor larger homes and businesses.Call 0330 043 7869Speak to a specialist, 7 days a week.See all pricesOur full air conditioning cost guide.

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