For sale due to replacement. It produces hot air, cold air, etc., but there is a burning smell. There is also a buzzing sound. The hot air also feels hot. There are also some scratches, so please check the images. This is being sold as a junk item, so please understand this before purchasing. The box and instruction manual have traces of sticker removal and dirt. Please feel free to contact me if you don't need them. Thank you for looking.