2 GENMAX generators ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size generators here, not third among GENMAX's own.
GENMAX makes 2 current generators: 1 small and 1 large. Prices run from $349.99 for the GENMAX GM2200i to $1,499.99 for the GENMAX GM8000iETC. Its best-rated model in each size: the GENMAX GM2200i (#6 of 14 small, rated 3.5) and the GENMAX GM8000iETC (#6 of 11 large, rated 3.8). Sizes run from 1,800 to 6,000 running watts. 1 of them can run on propane.
A mid-priced tri-fuel inverter for home backup through a transfer switch, especially for houses with a natural gas line. Auto start, app control and CO shutoff are unusual at this price.
Amazon $1,499.99Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
A mid-priced tri-fuel inverter for home backup through a transfer switch, especially for houses with a natural gas line. Auto start, app control and CO shutoff are unusual at this price.
Amazon $1,499.99A budget carry-handle inverter for camping and light outage duty that still includes CO shutoff and a three-year warranty. Good value if you only need gasoline.
Amazon $349.99
