Generac does not list the decibel (noise) rating for portable generators. There is no industry standard for testing decibel ratings on portable generators. Therefore, any results can be misleading or inaccurate. The total harmonic distortion for the GP series generators is greater than 6%, and not recommended for sensitive electronics. The Generac XP series has True Power technology, with Total Harmonic Distortion (THD) less than 5%, and would be recommended for sensitive equipment. Please see my recommendation below.
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answered 2 years, 9 months ago
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