multiple leaf damper or valve
(See damper (or valve))
Continue reading →Glossary Terms
multiple tracer gas technique
(See tracer gas technique, multiple)
Continue reading →multisplit system
[EN 14511-1:2022, 3.36]:split system incorporating more than one indoor units, one or more refrigerant circuits, one or more compressors, and one or more outdoor units.NOTE The indoor units can be individually controlled or not.
Continue reading →multizone
[AIVC, Air infiltration and ventilation glossary, 1992]:a building or part of a building that comprises a number of zones or cells.
Continue reading →natural ventilation
[AIVC, Air infiltration and ventilation glossary, 1992]:the movement of outdoor air into a space through intentionally provided openings, such as windows and doors, or through non powered ventilators or by infiltration. [ASHRAE Standard 62.1]:ventilation provided by thermal, wind, or diffusion … Continue reading →