If you choose to pursue EQc5: Indoor Chemical and Pollutant Source Control, relatively high MERV 13 filtration is required. Pursuing both credits may require you to increase duct size and fan power, and may even affect your system selection.

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If you choose to pursue EQc5: Indoor Chemical and Pollutant Source Control, relatively high MERV 13 filtration is required. Pursuing both credits may require you to increase duct size and fan power, and may even affect your system selection.

Use this checklist prior to construction for mechanical systems and credit compliance:Using the mechanical equipment schedule, confirm that outside air is being supplied to mechanically ventilated spaces.   Do you have calculations showing the outsid

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Use this checklist prior to construction for mechanical systems and credit compliance:

The mechanical engineer continues running ventilation rate calculations during the mechanical design process to confirm compliance with this credit and to inform the design. The ventilation rate procedure is explained in section 6 of ASHRAE 62.1-2004.

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The mechanical engineer continues running ventilation rate calculations during the mechanical design process to confirm compliance with this credit and to inform the design. The ventilation rate procedure is explained in section 6 of ASHRAE 62.1-2004.

Determine the required ventilation rates for indoor spaces based on occupancy and space types. ASHRAE 62.1-2004 tables 6-1 and 6-4 list minimum ventilation rates for particular spaces.

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Determine the required ventilation rates for indoor spaces based on occupancy and space types. ASHRAE 62.1-2004 tables 6-1 and 6-4 list minimum ventilation rates for particular spaces.

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