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I was under the assumption that the IEQp1 calculator should only include densely occupied spaces, but I'm having trouble finding any documentation around which spaces should be...

We have a 6 storey addition to an existing 4-storeyed building. The mechanical systems for the addition are separate from the existing systems. The project is going for LEED v4 CS certification...

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I’m currently modelling a building that uses DOAs with air-side heat recovery for space ventilation in the Proposed Design. As per ASHRAE 90.1 – 2010, section 6.4.3.9...

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In what concerns outdoor airflow monitoring requirements for a...

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Are there any alternatives for complying CIBSE AM10 requirement for narrow plan? Our project will have a building width that is greater than 15m by almost 4m even with the...

In Europe which parameters shall be considered to establish whether the site is non-attainment area for PM2.5?

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I have an office floor that is conditioned by a Fresh Air handling Unit (100% Outdoor Air) with Heat Recovery and in some enclosed office spaces we have Fan Coil Units (FCU...

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I have a doubt regarding the need to ventilate refrigerated warehouses or storage rooms.

As per Addenda L of ASHRAE 62.1 - 2010, refrigerated strorage rooms with a cooling...

We have several single zone RTU's that will need direct airflow monitors because the units have DCV.  The contractor says the low OA alarm will be located on the units at the roof.  They do not...

A high-rise mixed-use project with two levels of office and multiple levels of residential is in EPA Zone 1 for radon. All the codes addressing radon mitigation listed in the prerequisite...