RESNET HERS National Rater Test

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A HERS Rater is preparing a home for a blower door test according to RESNET standards. Which of the following should be done to prepare the house?

Seal all HVAC supply and return registers with tape. Close and latch exterior windows and doors, but do not apply extra sealing. Turn off the water heater and seal its flue vent. Close all interior doors to isolate each room.

Correct Answer:

Close and latch exterior windows and doors, but do not apply extra sealing.

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