An air conditioner is available as an optional extra.
Don't you think the air conditioner is turned up too high in here?
This air conditioner consumes a lot of electricity.
I want a compact car with an air conditioner.
The air conditioner doesn't work.
Don't leave the air conditioner on.
We measured the electricity used during air cooling in the same way as heating, and compared the old model air conditioner to the energy conservation (2001) model.
The air conditioner is out of order.
Which air conditioner do you think is the most efficient?
Incidentally, this room doesn't have anything like an air conditioner. All it has is a hand-held paper fan.
Without an air conditioner, people nowadays cannot live.
The air conditioner makes too much noise.
She had an air conditioner installed in her house.
Please turn up the air conditioner.
It's very warm. Shall I turn on the air conditioner?