Category Archives: Whole House Fan Noise Levels

Whole House Fan Noise: How Quiet is Quiet?

A duct-fed Whole House Fan keeps the noise away from the living space (QuietCool System)

A duct-fed Whole House Fan keeps the noise away from the living space (QuietCool System)

The noise level of a Whole House Fan is one of the most important factors when deciding which model to get. Some people get a system and never use it, because it is too noisy.  Luckily modern Whole House Fan technology has fixed this problem and you will find many brands that advertise the quietness of their system. But what do the DB (Decibel) numbers mean?

Here are some real life examples. To check the noise level on the various brand click here: Detailed Side-by-Side Brand Comparison.

Sound ExampleNoise Level (db)
--> Healthy Hearing Threshold0db
--> A Pin Dropping10db
--> Rustling Leaves20db
--> Whisper Quiet30db
--> Quiet Whole House Fan41db
--> Light Traffic50db
--> Regular Whole House Fan52db
--> Normal Conversation60-65db
--> Telephone dial tone80db
--> City Traffic (Inside Car)85db
--> Truck Traffic90db
--> Jackhammer at 50'95db
--> Loud Rock Concert115db
--> So Loud it Hurts125db

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