Do you want pre-set workouts? Are you one of those people who can't go for a run without an app, a training plan, and a corresponding diet worksheet? Even if you don't take it that far, pre-programmed workout routines can really enhance your rowing machine experience by varying your workouts and guaranteeing you a challenging session. If you're trying to decide between two machines, you could do worse than to choose one with a good range of built-in workouts.
Outside of resistance type, we found the number-one arbiter of ride feel to be cord quality. Water ergometers tend to employ nylon cords, while air ergometers feature metal chains — a durability factor we anticipated would result in our favoring air. But while all three water rowers aced our expectation of smooth, high-tension strokes, perfecting the chain seems to be more difficult: Some tug with just a slight rumble, others feature bouncy, grinding chains that are incredibly loud, something akin to angry snoring. As for nylon, the best wind and unwind like elastic silk — no slack, no sound, no catching, just perfectly even tension throughout the stroke.