How do we compare
the noise levels of RV generators? They are quoted in Decibels so it's not familiar to most
RVers.A typical RV
generator icon, of whatever power, will have a sound level quoted in
decibels. To compare two RV generators' specifications, you must
remember that the decibel, or db scale is not linear, but
logarithmic. If this sounds more like High School Science, you don't really need to remember
it!
What you do need to remember, though, when
comparing two RV generator specs, is that the figures, usually quoted in db(A), can be
deceiving.
A Honda RV
generator, which is very quiet (though you may be surprised camping
out in the desert, how noisy it can sound) might be quoted at 54db(A) @
20ft.
A "Brand X" RV
generator might be quoted at 57db(A) @ 20ft. You might think -
'That's OK much the same as the Honda, and much cheaper!
Think again! A difference of 3db(A) means double the loudness
- The brand X RV generator is twice as loud as the
Honda!
Another point to remember is that you may be
advised to buy a diesel powered RV generator. These are
inherently more noisy than the gas-powered type. Why would you
prefer a diesel RV generator? If your rig is diesel powered,
you need to carry a supply of fuel for the gas RV generator - why
take up space, and risk carrying two kinds of fuel?
A further reason for buying a good quality RV generator
, is that
air conditioning units and washing machines are now being fitted
with inverters, to control the speed of the motors, rather than
turning on or off as with previous systems.There can be some
reaction between the RV generator supply and the inverter
electronics, causing spikes, which are deadly to electronic
devices!
The fix is to install line filters of about 2-3KW to
arrest the spikes. These are not too expensive - certainly
much cheaper than a new aircon, washing machine, maybe plus a better quality RV
generator!
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