Solar keymark air heater vacuum tube collector ISO9001

Model	21/22
Approximate   area in m2	50m2
Maximum air flow	98m3 / hour
Time for   air change	Approximate 2   hours
Heating   efficiency	77%
Sun intensity performance(w/h)	550W
Total   Annual Heating Delivered (9 month) kWh/m2	770kWh/m2
Estimated   energy supplement kWh-unit/year	550kWh
Temperature   rise, approx.	160 C
Noise   Level	Max. 38db
Product   size(cm )	101x72x6.2cm
Carton   size(cm)	122x77x9cm
Area in   m2	0.72
Solar   photovoltaic panel power	12 watt
Fan  2 ball	SUNON 12V,3.4 watt  120*120*25mm
Net   weight	15kg
Gross   Weight	17kg