“Fill out the information below and a FIRMAN representative will respond to you within 48-72 hours.”

    8716 W Ludlow Dr Suite 6, Peoria, AZ 85381
    844-FIRMAN1 (844-347-6261)


    10W – 30 is our standard recommended oil (you can find this in your manual) if you would like to use full synthetic oil 5W – 30 is recommended. Please be advised if you decide to go to synthetic oil we suggest you keep using synthetic.

    Depending on your generator there are three places to find your serial number: on our open frame generator, it is on the right side of the tank in a white label, for our inverter generators it is on the top in a white label, and for our dual fuel units it is right behind the battery on the side of the engine.

    Our warranty is 3 years, first year parts and labor, second and third year is parts only.

    You can use regular unleaded gasoline in your generator.

    Drain all the gasoline out of the gas tank and carburetor, and store in a dry covered space.

    We sell at quite a few vendors depending on what you are looking for, you can do a quick google search of the unit you are interested in to find the providers.

    We’ve partnered with service centers across North America, if you call us we will find one nearest you.

    You can buy them in our Accessories and Parts page, or with our generator providers.

    The decibel rating will be listed on your generator page.

    Depending on your generator the THD varies, you can visit your generator page to find the specific THD.