The first one I received would not heat out of the box . New Air replaced it and it worked for almost a year and now is just like the first one . It won't pass room temperature. I paid the large price tag expecting a reliable humidor that I would not have to worry about only to be let down. Thermostat is set to 74 degrees and it won't go past 65. So far I am extremely hesitant to purchase any future New Air products due to reliability