Flat-plate Solar Collector:

1. Flat-plate solar collector is high efficient and pressurized. The life span is about 15 years.

2. Flat-plate solar collector has no anti-freeze function. Therefore, it is suitable for south area use.

3. Specification: 1-2m2 flat-plate solar collector could produce 55 hot water: 75-140kg/ m2 if the weather is fine without cloud.

4. High Absorption Efficiency: As??92% Low Emission: H??10% Average Heat Efficiency/Day: Hd??55%