Just wondering if a Goodman AWUF style air handler can be directly attached to the supply ductwork, or should it have a plenum between it and the ductwork? I'm getting mixed opinions from different installers. Thanks...
source https://hvac-talk.com/vbb/threads/2228684-Is-plenum-always-required-to-attach-air-handler-to-supply-ductwork?goto=newpost
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