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.
⚫The felt used in the collector is easy to corrupt and fade after being exposed to open air for long term. If there is a lot of dust in the air, it also easy to be blocked. The gap of the felt is large that PM2.5 is cannot be filtered.
Though rarely happened, if the fan, regulator or circuit board went wrong, a replacement would be sent free of charge within 6 years. If exceeding 6 years, we can send spare parts based on customer’s payment on the material cost. You can substitute the spare parts except pv panels all by yourself within 10 minutes, with easy tools like scissors, tape, screwdriver.