Let’s just say every device advertising it could work on X meters (square, cubic, whatever) is a lie.
What are the conditions? How pronounced you expect your result to be?
This is especially funny with heaters, for example, when heaters of the same power advertise vastly different area of effect and people go “Oh! This 1500W heater can heat up 50 square meters, so much better than this 2000W heater advertised for 30 square meters!”
Let’s just say every device advertising it could work on X meters (square, cubic, whatever) is a lie.
What are the conditions? How pronounced you expect your result to be?
This is especially funny with heaters, for example, when heaters of the same power advertise vastly different area of effect and people go “Oh! This 1500W heater can heat up 50 square meters, so much better than this 2000W heater advertised for 30 square meters!”