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hvac:roof_vent [2018/03/18 20:09] frater_secessus [roof vents in winter] |
hvac:roof_vent [2020/04/06 13:39] frater_secessus [nonstandard vents] |
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- | The industry standard for RV roof vents is 14" | + | The industry standard for RV roof vents is 14" |
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+ | See also [[hvac: | ||
+ | ===== placement ===== | ||
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+ | There several and sometimes conflicting factors affecting vent placement. | ||
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+ | * for effective **cross-ventilation** throughout the length of the van one would put the fan at the opposite end of the fresh air intake. | ||
+ | * for **direct breeze at night the vent** might be placed in the sleeping area.((Or one might just use a portable fan for this.)) | ||
+ | * for **protection from rainfall** at night((no cover, or manually operated fans)), the fan might be placed away from the sleeping area | ||
+ | * for **cooking exhaust** the vent would be placed over the cooking area. | ||
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+ | ===== installation ===== | ||
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+ | Some vans have flat (or flat-adjacent) areas to facilitate mounting fans. | ||
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+ | * [[http:// | ||
+ | * [[https:// | ||
+ | * The Chevy Express has a mounting pad in the rear.((https:// | ||
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+ | If no entirely flat spot is available, one can cut through the corrugations and either use an adapter to seal the gaps or build up the low areas with buytl tape, etc. | ||
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===== roof vents in winter ===== | ===== roof vents in winter ===== | ||
In winter you may want to run the vent on the lowest setting **pulling air into the camper**. | In winter you may want to run the vent on the lowest setting **pulling air into the camper**. | ||
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+ | ===== power consumption ===== | ||
+ | [[https:// | ||
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+ | The base 3-speed Fantastic model reportedly consumes 1A, 2A, and 3A respectively.((https:// | ||
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+ | ===== nonstandard vents ===== | ||
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+ | Although 14x14" vents are standard in the camper world, there are other (usually smaller) options. The smaller vents often have greatly-reduced flow, as measured in CFM((cubic feet/ | ||
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+ | ==== mushroom vents ==== | ||
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+ | RV-style mushroom vents are typically mounted in 5" to 6.25" holes. | ||
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+ | ==== wind-powered vents ==== | ||
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