How Loud Are Home Backup Generators?

If you’re considering a home backup generator, you may be wondering how loud they are. After all, you don’t want to disrupt your neighborhood with a noisy machine.

Are Backup Generators Loud?

If there is a power outage, you may need to operate your home backup generator for many days and nights to provide emergency electricity. Noise levels may range from 65 to 100 dB when you do this, which is over most noise restrictions in many regions.

Backup generators come in a variety of sizes, and their noise level will vary accordingly. Smaller units may produce as little as 45 decibels of noise.

Do House Generators Make A Lot Of Noise?

Many residents are understandably worried about the noise generated by a generator. These devices, however, make a lot more muffled noise than most people think – about the same as a toilet flushing or a washing machine spinning up. Models like Generac aren’t any louder than a typical discussion in some cases, so there’s no need to worry.

Are Generac Home Generators Loud?

Many generators are just too noisy. Other people’s voices may be drowned out by some of the noisier portable devices. The engine’s composition has an effect on the noise level. A typical conversation may be heard on Generac’s quiet generator engines.

Are Generac Whole House Generators Quiet?

The noise level of Generac whole-house generators varies depending on the kind of fuel they utilize and the size of the generator. The diesel-powered Generac generators are noisier than the propane or natural gas-powered Generac generators. There is always a trade-off between the generator’s power output and its noise level when purchasing one.

How Quiet Is A Generac Generator?

Many portable devices are available, however, some of them are quite noisy. The engine’s components have a considerable impact on its noise output. However, Generac’s silent portable generators aren’t any louder than an average conversation, even though some are louder than a hairdryer.

Who Makes The Quietest Whole House Generator?

Compared to other models, Generac’s 8kW and 12kW generators are the quietest on the market. Briggs & Stratton is the quietest of the 20kW generators we tested. Search the “spec sheet” on the manufacturer’s website for any particular generator to compare it to others.

What Is A Good Decibel Level For A Generator?

Noise levels of 85 to 90 decibels (dB) are considered appropriate for household usage. A generator that regularly goes past this level should be avoided.

Highly Rated Backup Generators

WEN DF475T Dual Fuel 120V/240V Portable Generator with Electric Start Transfer Switch Ready

DuroMax XP12000EH Generator-12000 Watt Gas or Propane Powered Home Back Up & RV Ready, 50 State Approved Dual Fuel

Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start

Related Questions and Answers

Is 74 dbA loud for a generator?

This generator is as noisy as a bus or a vehicle (somewhere in between). There are some quiet generators with a noise level below 50 dB, however, most fall between 65-100 dB.

How loud is a Kohler whole house generator?

KOHLER generators have a sound level of 65 dB(A), which is comparable to that of a central air conditioner. However, they are far quicker than the competitors at re-establishing electrical power which is one reason why they are so sought after.

How many decibels is a Generac generator 22kw?

This sized generator will produce a sound at a decibel level of 67.

How loud is too loud for a generator?

The noise level at a crowded restaurant is around 70dB, whereas listening to an MP3 player at maximum power is about 100dB. In order to produce hearing impairment, a generator at 85dB must be exposed for two hours, whereas a generator at 100dB must be exposed for 15 minutes. So, it is up to the homeowner to decide how long they are willing to tolerate a high noise level from their generator before purchasing one.

Is 52db loud?

For every sound, there’s a decibel rating attached to it. There’s nothing quieter than an electric fan, hair dryer, running refrigerator, and silent street when it comes to low sound intensity. Noises such as blenders and diesel trucks are both about 90 decibels, whereas a wailing infant may go up to 110 decibels. So, 52 dB is not considered very loud.

How do I make my generator quieter?

It’s best to turn your back to the exhaust pipes and face them upward or away. You can also relocate your generator to a different area. Install the generator on a soft surface may help muffle the sound. You can also install sound deflectors or build an acoustic enclosure around it. Adding a generator muffler will also help decrease the sound.

How far can you hear 60 decibels?

A regular discussion between two persons seated roughly one meter (3 14 ft) apart has a decibel level of 60. It’s about what you’d expect to hear at a cafeteria or an office.

How many decibels is a dog bark?

The barking of a medium-sized dog is 120 dB loud. At 85 dB, the human ear is at risk of being damaged if exposed to the sound for too long. As a result, being awakened in the middle of the night by a barking dog might be exhausting.

Can you soundproof a Generac generator?

You may lower sound levels surrounding your generator by up to 10 dB by installing an acoustic barrier or insulation. Concrete walls and generator canopies are two options for acoustical isolation. Installing acoustic wall tiles or panels is another option.


Most people are surprised to find out that backup generators are not much louder than other appliances when running. However, the sound they produce depends on their size, fuel type, and where they are installed. Make sure to review the specs of the generator you are looking at before making a decision to purchase it.

NEXT UP: How Much Propane Does A Backup Generator Use?

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Leon Ashcraft
About Leon Ashcraft

Leon Ashcraft is a Safety Instructor and consultant in Colorado with focus on OSHA, environmental health and safety, transportation safety, oil & gas, rescue operations and construction safety. Learn more about Leon here or connect with him on Twitter | LinkedIn | Medium