Can the air be used in any weather??

Unlike solar energy, which is subject to rainy weather or at night, OTES air energy water heater can work around the clock without any auxiliary heating measures. It provides you with hot water 24 hours a year, in spring, summer, autumn and winter, whether cloudy, rainy, sunny or 365 days. The air energy water heater has been designed according to the standard of the worst weather at the beginning, and can normally be used at the ambient temperature of - 15 ℃ - 40 ℃.