Greetings,In reference to maintaining the integrity of an air barrier, best practice requires all penetrations be properly air sealed. Specifically, when HVAC ducts penetrate the air barrier between…Continue
"As I have read through everyone's excelent responses, it has caused me to reassess my assumptions. Tim O'Brien made a observation that is rightly relevant when he provided,
"I believe most A/C system evaporators running at part load…"
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