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UK AIR CONDITIONER COMPARISON

Compare cooling.
Buy smarter.

Find the right air conditioner for your room. Compare cooling power, noise, energy use and verified specifications before you buy.

Find the right model Browse portable air conditioners
15 verified products4 products compared at once£ running-cost tools
Bright UK bedroom with a portable air conditioner correctly vented through a sash window
START WITH YOUR ROOMBedroomPrioritise lower noise →Living roomMatch output to floor area →ConservatoryAllow for solar gain →
Quick room finder

Start with the room, not the box

Get an indicative capacity range in under a minute.

UK HEATWAVE PLANNINGPrepare the room before temperatures peakOfficial alert links, postcode guidance and a practical cooling checklist.
Open Heatwave Centre →
WHOLE-YEAR HOME COMFORTInsulation, draughts, shading and controlsReduce heating and cooling demand with a fabric-first plan.
Open Home Efficiency →
POPULAR:Portable air conditionersBedroom coolingWhat BTU do I need?Running-cost calculatorInstallation quotes
Verified portable air conditioners

Start comparing popular capacities

Manufacturer specifications, checked and structured for side-by-side decisions.

Compare up to four
Popular UK comparisons

Shortlists built from verified specifications

No invented testing, review scores or affiliate-led rankings.

Quietest portable air conditionersCompare published minimum and maximum noise.Best for bedroomsBalance noise, weight and room matching.Lowest running-cost scenariosCompare rated input using one tariff assumption.For conservatoriesStart with higher capacity and strong solar gain.
Room, window and true cost

Three checks before you choose a product

Room Cooling MatchEstimate a transparent BTU range and portable-versus-split route.Window Kit CompatibilityUnderstand the venting setup common UK window types may need.Three-Year Ownership CostKeep purchase, delivery, accessories, installation and electricity separate.
Shop by room

Start with where you need cooling

Get a personalised match →
01

Bedroom

Lower-noise models and sensible overnight running-cost estimates.

Find bedroom cooling →02

Living room

Compare output, airflow and room coverage for everyday spaces.

Match a living room →03

Home office

Balance cooling power, footprint and call-friendly noise levels.

Cool a home office →04

Conservatory

Allow for glazing and stronger solar gain before choosing BTU.

Size conservatory cooling →
Browse by need

Compare cooling and air-quality products

View all categories →
01

Portable air conditioners

Flexible cooling without permanent installation.

Explore category →
02

Split air conditioners

Efficient, quiet cooling installed by a professional.

Explore category →
03

Air-to-air heat pumps

Year-round heating and cooling from one system.

Explore category →
04

Dehumidifiers

Manage moisture, condensation and drying.

Explore category →
05

Air purifiers

Compare filtration, room coverage and noise.

Explore category →
06

Fans and air coolers

Lower-cost airflow and evaporative cooling options.

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Built for better decisions

One clear place to compare what actually matters

CoolCompare turns fragmented technical details into comparable, practical information for your room.

01

Comparable specificationsBTU, noise, power draw and features presented consistently.

02

Estimated running costsUse your own electricity tariff and expected usage.

03

Practical room sizingTransparent capacity ranges with documented adjustments.

04

Retailer visibilitySource and checked time shown whenever offers are available.

05

Installer matchingConsent-led enquiries for permanent systems.

Why shoppers use CoolCompare

Specification-led, not commission-led

01

Source checkedEvery published model links to its manufacturer source.

02

True operating contextRated input is separated from estimated cycling use.

03

No fake urgencyNo invented reviews, discounts or stock messages.

Read our comparison methodology →
See the numbers

Running costs, without the guesswork

Move from watts and tariff to a practical daily estimate. The calculation stays transparent at every step.

Running-cost check

What might it cost to run?

Per hour£0.25
Per day£2.00
12-week use£168.00

Based on rated input and your tariff. Real compressor use can cycle above or below this estimate.

Know the difference

Portable or split air conditioning?

A portable unit is easier to start with, but it still needs warm air vented outside. A split system is permanently installed and can be quieter and more efficient, but refrigerant work requires a suitably qualified professional.

Read the full comparison →
No permanent installation

Portable

  • Move between suitable rooms
  • Usually vents through a window
  • More indoor noise
VS
Professionally installed

Split

  • Quiet indoor operation
  • Heating options are common
  • Outdoor unit required
Brand directory

Research manufacturers before you buy

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MeacoEcoAirDe'LonghiWood'sVonHausPro BreezeDreoelectriQ
Planning a permanent system?

Get air-conditioning quotes

Tell us about your property and project. We will only pass your enquiry on with explicit consent.

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Reviewed guidance

Useful guides for better decisions

Browse all guides →
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How CoolCompare earns money

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