Solar collector manufactured by imported machine with high efficiency, better heat conductivity, and strong heat absorptivity.
Storage tank is good in heat preservation, can work at night persistently.
Save fees for electricity, fuel and maintenance, only 2-3 year can take back all cost with long time income.
Without fire , blast, poisoning and other dangerous things happened. Safe and reliable.
With the function of purification, clean for hot water.
Auxiliary electric heater with half-automatic or automatic controller . Can enjoy hot water on cloudy and rainy days without sunshine.
Many persons can enjoy the hot water together with large area installation on roof ; with adiabatic ( heat insulation) function.
Heat preservabale storage tank have the function as sluice, can be emergency water-supply . |
|
|
|
|
