non-ducted ventilation units
(See ventilation units, non-ducted)
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nontransient
[ASHRAE Standard 62.1]:occupancy of a dwelling unit or sleeping unit for more than 30 days.
Continue reading →normalized leakage area
[(see leakage area, normalized)
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[EN 12792:2003, 272]:air terminal device designed to achieve the maximum conversion from static pressure energy to dynamic energy and thus produces a maximum throw due to minimum entrainment.
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[AIVC, Air infiltration and ventilation glossary, 1992]:the time during which people are in a building (generally expressed in hours per day)
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