Size the room first
Measure the conditioned space and account for glazing, sun, occupants and heat-producing equipment. The calculator returns a range rather than false precision.
Use the BTU calculator →UK BUYING GUIDE
Wall-mounted air conditioners
Wall-mounted split systems place the compressor outdoors and require a properly designed installation. CoolCompare does not mix incomplete indoor-unit references with complete systems or pretend they are retail-ready products.
Choose the right route
Start with room loads, permissions, outdoor-unit position, condensate routing, electrical scope and appropriately qualified refrigerant work.
No incomplete catalogue records
We have not published placeholder products for this system type. Use the planning route below for sizing, permissions and installation scope.
Plan a split systemCompare like with like
Published sound, energy and room figures can use different test conditions. Open each product dossier to see source dates and evidence notes.
How CoolCompare checks data →Check the practical fit
Portable units need an exhaust route. Split systems need permissions, a safe outdoor-unit position and qualified installation.
Portable vs split →