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NC-2009 IEQc1:Outdoor Air Delivery Monitoring

CO2 sensors in mechanically and naturally ventilated spaces?

I have a non-densely occupied space with a mechanical ventilation system and with operable windows (natural ventilation system). According to the diagram above: all natural ventilated spaces and only densely occupied mechanical ventilated spaces require CO2 sensors. What does this space require?

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Profile picture for user dconnelly
Dylan Connelly
Mechanical Engineer
Integral Group
LEEDuser Expert
342 thumbs up

Fri, 09/14/2012 - 16:25

Credit Language: "Monitor CO2 concentrations within all naturally ventilated spaces." Did you mean that you have mechanical conditioning and natural ventilation? Or do you have mix mode in this space with natural ventilation during parts of the year and mechanical ventilation during other parts of the year.
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Ante Vulin
Sustainability Manager
YR&G
LEEDuser Basic Member
55 thumbs up

Fri, 09/14/2012 - 16:27

CO2 sensors will be required if there are times during normal operation when the space is occupied and the mechanical ventilation system is not functioning (i.e. the natural-ventilated mode). If the mechanical ventilation system will operate consistently whenever the room is occupied, then no CO2 sensor is required.

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