What is ISEER / star rating?
Cooling delivered per unit of electricity across a season.
Short answer
Compare the ISEER figure itself, not just stars — rating thresholds get revised and old stock looks better than it is.
ISEER / star rating when buying a air conditioner
Cooling delivered per unit of electricity across a season.
Why it matters: This is the number that shows up on your bill every month, not once at the shop.
Look for: Compare the ISEER figure itself, not just stars — rating thresholds get revised and old stock looks better than it is.
Full Air Conditioner buying guide