Quote:
Originally Posted by solderwhiz
Since are talking about cooling the fridge...has anyone used a Ventilation Cooling fan for Refrigerator Vent and Ventilation Grille, such as the one below? . . .
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It's a little pricey ($67.99 on Amazon), but it does have some useful features.
I believe these computer-type fans work well, facing up, in the upper part of the vent areas on trailers with vents that exit on the roof. However, when these computer fans are placed in the lower grill, vent area, facing in, I believe they lose their effectiveness. They tend to blow air into the back of the frig vs. upward where the boiler tubes are. For the lower grill, vent area, there are a number of squirrel-type fans available that are especially effective in these situations. They pull in air directly through the lower grill, vent opening then discharge the air at a 90 degree angle, directly upward into the boiler tube area---exactly where air-flow is most needed.
FWIW, ARP makes a unit with a fan option that switches one or more fans on/off via a thermostat that's mounted directly to the lower boiler tubes. The temperature threshold is adjustable. They also sell optional squirrel-type fans that interface well with this option.