Free warranty for 6 years⚫FAN LIFE EXPECTANCE: 70,000 Hours at 40 deg. C, 65% humidity, 90CL
40000 hours warranty fan.
⚫The lifespan for pv panel is 20 years, guaranteed for 10 years. While glass and aluminum materials is with long lifespan. Therefore, an glass panel is with 20 years life span, which is much longer than polycarbonate panels, that are only 10 years, and after sunlight irradiation, it becomes yellow and solar transmittance goes extremely lower. Thermostat, air outlet can be replaced free of charge within 2 years.
Though rarely happened, if the fan, regulator or circuit board went wrong, a replacement would be sent free of charge within 6 years. You can substitute the spare parts except pv panels all by yourself within 30 minutes, with easy tools like scissors, tape, screwdriver. If exceeding 6 years, we can send spare parts based on the material cost.