Tools
Our calculators give you a defensible starting point — a range and a recommendation, not a false-precision single number.
Tool
Room-size calculator
Tell us about your room and constraints, get a BTU range and a recommended cooling type.
Coming soon
Running-cost calculator
Estimate what a cooling method will actually cost to run, based on UK electricity pricing.
Coming soon
Which cooling method quiz
A few questions about your room and constraints, routed straight to the right buying guide.