HVAC/R 2.8. Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa

Guide describing how to install ducted returns to provide conditioned air to all parts of the house and return stale air to the furnace for reconditioning.

Guide describing how to install transfer grilles at each bedroom ensure a continuous flow of heating and cooling even when the doors are closed.

Guide describing how to install jump ducts at each bedroom ensure a continuous flow of heating and cooling even when the doors are closed.

Guide describing how to cut the doors at each bedroom ensure a continuous flow of heating and cooling even when the doors are closed.

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