FIRMAN Portable Generators Ranked

Last updated: October 28, 2026

1 FIRMAN portable generator ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size portable generators here, not third among FIRMAN's own.

The FIRMAN T09275 is FIRMAN's only current portable generator here, ranked #18 of 25 large and rated 4.0.

Prices were last checked October 28, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

FIRMAN portable generators 1

  1. FIRMAN T09275
    #18 large4.0Full review

    A large tri-fuel generator for homes with a natural gas line that want transfer-switch backup without storing fuel, at a premium price.

    Amazon $1,707.66
    $1,707.66
    9,20011Tri$0.19

Every portable generator ranked