We have HRV in the basement. I would like to build a room around the HRV with a space for cold (40-50F) storage. Since many days and nights are cold, besides the AC refrigeration in the summer for all other seasons I would like to direct some of unconditioned HRV supply from outside through the storage room first with thermostatically controlled damper(s) when the cooling is needed. Would be putting 2 holes in the fresh air supply duct (----------) with the damper (/) in between as schematically shown below be sufficient or does it need multiple (3?) dampers? The outside exhaust duct is not shown.
Code:
|
| basement
|_______________________________|
| |
| |
outside >---- ------/------ --->HRV===============basement fresh and stale
supply | |
| cold storage |
|_______________________________|
|
|
| basement
|
source https://hvac-talk.com/vbb/showthread.php?2222520-Air-flow-control-for-basement-cold-storage&goto=newpost
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