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hvac:roof_vent [2020/04/06 13:39] frater_secessus [nonstandard vents] |
hvac:roof_vent [2022/11/22 03:38] (current) princess_fluffypants [nonstandard vents] |
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There several and sometimes conflicting factors affecting vent placement. | There several and sometimes conflicting factors affecting vent placement. | ||
- | * 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 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 **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 **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. | * for **cooking exhaust** the vent would be placed over the cooking area. | ||
- | ===== installation ===== | ||
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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. | 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. | ||
+ | ===== installation ===== | ||
+ | * //radius// (round) the corners rather than leaving right angles to prevent stress fractures in the corners. | ||
+ | * [[http:// | ||
===== rainproofing ===== | ===== rainproofing ===== | ||
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' | ' | ||
+ | If you have a van with solid rear doors, or a van with a lot of space above the door windows, there are wall-mounted vent fans as well. https:// | ||
==== mushroom vents ==== | ==== mushroom vents ==== | ||
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==== wind-powered vents ==== | ==== wind-powered vents ==== | ||
+ | [[https:// | ||