I've used it for about 3 years. It produces both hot and cold air. I've confirmed it works, but the handle doesn't stay fixed and wobbles, so I'm selling it as a junk item. There are some scratches. (See photo 3) *When purchasing, please be sure to agree to the "defective" condition. We do not accept any claims, exchanges, or returns after purchase, such as "it doesn't work," so please understand.