Cost per hour
Convert rated watts and pence per kWh into a conservative full-input figure.
Electricity costs explained
Understand what an air conditioner could cost to run
Running cost depends on electrical input, your tariff and operating time. Rated maximum input and likely cycling consumption are related, but they are not the same claim.
Choose your route
Start with the type of outcome you need
Usage scenarios
Compare different hours, days and weeks instead of extrapolating one hot afternoon.
Ownership cost
Include purchase, delivery, window kits, maintenance and installation where relevant.