A decibel meter can be used to find out how loud your tankless water heater actually is.
Tankless water heater noise level.
Tankless water heaters have their own distinct noises.
Tankless water heaters produce an endless supply of hot water take up less space have a lower risk of leaking are safer and have a significantly longer lifespan on average.
If your electric water heater is making a popping noise there s a good chance that the sediment build up at the bottom of the tank has buried the lower heating element.
According to bosch technical data the working noise range should be between 45 and 65 db.
Tankless water heaters will all make some noise when starting up and heating water but the noise levels are usually reasonable and not cause for concern.
Rinnai claims its tankless units are quiet and claims a noise level of 49 db a across its range of tankless models see attached.
Some manufacturers really praise their products for being quiet with a noise level of 49db for most models.
I m considering the purchase of multiple rinnai tankless hot water heaters for a remodelling project where maintaining quiet is one of the design objectives.
The main disadvantage of tankless water heaters is their upfront cost unit and installation is significantly higher than tank style heaters.
Tankless water heater noise.
Although it is rare that very often it is at full fire so it can be less.
Gas tankless hot water heaters all make noise when firing up and heating water but the levels are usually less than 90 decibels.
The noise for example can also be a signal that something more complex and dangerous is going on.
Most of the time a tankless water heater is as loud as an electric can opener or a computer fan.
Bosch therm 1210 es.
However when i look at the bosch noise level data it claims a range of 45 to 65 db a.
If you have a smartphone you can download a free decibel meter app called soundlevel and measure the decibel output yourself.
There are several reasons for the annoying water heater noise and we will review several issues which are shown below.
A 100x difference in possible sound pressure levels depending on.
When the noise occurs when there is no hot water being used it s likely there is a vacuum that s siphoning water away from the unit and causing loud noise and vibration.
Tankless water heaters under full fire range from 75 90 decibels 3m depending on brand model and venting.
This condition can also make sounds of crackling sizzling or hissing.
If you hear a clicking noise this is typically just the flow switch turning on and off to start and stop the flow of water and is completely normal.
