I have a Coleman generator with a 10 hp Briggs and Stratton, is extremely loud.
Here are a few items from my home generator web page.
http://members.rennlist.org/warren/generator.html
Portable generators are noisy. If you have neighbors nearby or the noise is unbearable in your house here are some ideas.
Choose an operating location as far away as possible. Note that a larger gauge wire is needed to reduce voltage drop as line length increases. Reducing line loss is required to minimize power loss and to ensure maximum power is available to the house. Lights will flicker less when heavy loads are attached.
Change the exhaust system. Noise from the portable generator systems comes primarily from two sources, the engine block and the exhaust system. With an air cooled engine there is little you can do about block noise. Some engines can have a larger muffler attached or make other changes to the exhaust system. Merely mounting exhaust pipe vertically will noticeably reduce noise.
Build a noise shielding enclosure. This could be as simple as a piece of plywood to reflect sound away from the house to a separate shed to hold the generator. Design your enclosure with safety in mind. Provide adequate air circulation and ventilation to prevent heat buildup and to remove carbon monoxide.
If the noise bothers your neighbors, invite them over for coffee or offer to run line to their home to power the freezer or a few lights. Talk to them before starting the engine, ask they let you know if the noise is bothersome before they phone the police or harbor any resentment. A little diplomacy can go a long way.
Last resort, shut off the engine or buy a quiet generator.
Coleman Powermate Generator noise?
I have a Coleman Powermate generator with 6250 surge watts and a Tecumseh engine. The thing is loud! But exactly how loud is what I want to know. I want to know how loud so I have something to compare against when I buy a replacement for this beast. Nowadays, most manufacturers rate their generators for loudness (e.g., 80db at 20ft), but this Powermate has no such spec.
measure it
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