Reviews of Gentron generators vary between models, but Sam's Club customer reviewers give the Gentron 5,000W/6,000W propane-powered generator four out of five stars. Sam's Club reviewers also rated the Gentron 8,000W/10,000W portable gas-powered generator highly, with 4.4 out of five stars.
Sam's club reviewers say the Gentron portable gas-powered generator is sturdy, well manufactured and easily transported. They also say the unit runs quietly and has a high power output. As of 2015, the average Amazon.com customer review rating of the unit is significantly lower than the Sam's Club average at 3.3 out of five stars. This is largely due to a low number of total reviews and a one star review warning that the unit started but did not produce power.