Hello) I live in Novosibirsk, Russia! Now we have a cold night. In the afternoon + 5 ° C, and at night -2. My mines with a total capacity of 1,700 watts. stand on a glassed-in balcony. The temperature is now +30 ° C on the balcony, and on the street now + 1 ° C degrees Celsius. Waiting for the winter to see how they warm up the balcony (2 square meters)