.Electric heater is defrost by cosely connecting clectrical aluminum bushing and holes of fins,heat is dissipated easily ,and thus fan boastslong service life. .External rotor motor realizes bilateral ...

To prevent this problem, indirect, or two-stage, coolers have an additional heat-exchanging stage that uses a secondary heat exchanger to pre-cool the air. This second stage is the same as a direct ...

Those generally cut holes in the top of a cooler, put a fan on top to blow the air down across the ice. This is similar, but acts more like an evaporative cooler (not really a traditional air ...