How loud is a Noritz tankless water heater?

by Water Heaters on May 15, 2010

My plumber has warned me that the motor on the Noritz tankless water heater makes a noise when it’s running. Can anyone compare the volume to a common household item? Is it similar to the fan on a computer? An electric can opener? I’m not super-sensitive to noise, but I don’t want it to sound like we’re drilling for oil every time someone washes their hands.

Thanks in advance.


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{ 4 comments… read them below or add one }

Steve G May 15, 2010 at 10:27 am

I don’t think that a Nortiz TWH has a motor in it.

They aren’t all that loud, perhaps slightly louder than a regular water heater – they have a larger burner.

Call Noritz & ask them (866-766-7489). I would guess that whatever they tell you will be on the low side, but not too far off.

peanutbrain May 15, 2010 at 10:27 am

The can opener is about right. Most of the sound is the fan starting followed by the gas burner. Hardly noticeable.

janine b May 15, 2010 at 10:27 am

They are not very loud but if you are that picky stick with the regular water heater.

Bev May 15, 2010 at 10:27 am

Mine is in the garage and I’ve never heard it make any noise whatsoever.

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