It doesnt stay on even if I set it to 85. Im not sure why it shuts off but it cant even heat my bathroom aIt doesnt stay on even if I set it to 85. Im not sure why it shuts off but it cant even heat my bathroom and its like 50 sq ft. The smallest bathroom in history and it cant warm it up. nd its like 50 sq ft. The smallest bathroom in history and it cant warm it up.