A:AnswerI did some research and found the it takes about 20 minutes to get warm. It won't feel hot by any means, but the vapor will be warm to the touch after a several minutes. I can feel a very subtle difference with mine after it has time to warm up.
A:AnswerYou pull the blue water bottle out of the top of the humidifier, turn it over, and you will see a cap/water valve. Remove it and fill with water only.