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EERE » BTO » Building America » Solution Center Home » 5.6.2 Verify that bedrooms with design airflow ≥ 150 CFM are specified with the following to achieve a Rater-measured pressure differential ≥ -5 Pa and ≤ +5 Pa with respect to the main body of the dwelling unit when all air handlers are operating:

5.6.2 Verify that bedrooms with design airflow ≥ 150 CFM are specified with the following to achieve a Rater-measured pressure differential ≥ -5 Pa and ≤ +5 Pa with respect to the main body of the dwelling unit when all air handlers are operating:

See the following guides for relevant information.

Ducted Returns
Transfer Grilles
Jump Ducts
Undercut Doors