Rowing machine resistance types explained

The resistance type on a rowing machine shapes the entire experience: how it feels under load, how loud it runs, and how well it scales as your fitness improves.

Air resistance: scales with every stroke

Air rowers use a flywheel with fan blades inside a vented cage. As you pull, the fan spins and displaces air, creating resistance. Pull harder, spin faster, get more resistance. The relationship is direct and immediate.

This self-regulating quality is why air rowers dominate commercial gyms and competitive programs. You do not set a resistance level; the machine simply responds to how hard you row. A long, powerful drive creates significantly more resistance than a short, casual stroke.

The tradeoff is noise. The fan generates a whooshing sound that rises with intensity. In a dedicated home gym it is manageable, but in an apartment or shared living space it can be a real problem, particularly during high-intensity intervals.

Conditioning monitors on air rowers (most notably the PM5 on the Concept2 RowErg) are also exceptionally accurate, which is why these machines are used as benchmarks in rowing sports and CrossFit.

Best for: serious training, interval work, anyone who wants performance data they can compare over time.

Magnetic resistance: quiet and consistent

Magnetic rowers use adjustable magnets near the flywheel to create drag without physical contact. Resistance is set via a dial, lever, or digital console rather than generated by your effort level.

The main advantage is near-silent operation. There is no fan, no swooshing, no rattling. Many magnetic rowers, like the MERACH Q1S, produce less noise than a person typing. This makes them the practical choice for apartments, early-morning sessions when others are sleeping, or office wellness rooms.

The limitation is that resistance does not automatically increase when you pull harder. You row at the level you set. If you want more challenge you have to manually bump the setting. Some newer models use electromagnetic resistance and can simulate a progressive curve, but most consumer-grade magnetic rowers remain fixed at your chosen level.

For steady-state cardio, rehabilitation work, or anyone newer to rowing, this is rarely a problem. For athletes chasing peak power output or doing sprint work, the fixed ceiling per setting can feel limiting.

Best for: apartment dwellers, shared spaces, beginners, rehabilitation, low-impact steady-state cardio.

Water resistance: natural feel, premium experience

Water rowers suspend a paddle wheel inside a tank of real water. When you pull, the paddles spin through the water and resistance builds. Add more water and baseline resistance increases; remove water to lower it.

The feel is distinct. Water has mass and inertia, so the catch (the moment you begin the drive) feels smooth and loaded in a way that air cannot fully replicate. Many experienced rowers describe water rowers as the closest indoor equivalent to rowing on a lake.

The sound is also different: a rhythmic, liquid rushing rather than a mechanical fan whir. Some people find it calming. It is not silent, but it is less aggressive than air.

Water rowers tend to be heavier and more expensive than comparable air or magnetic options. The tank adds weight, and the aesthetic finishes (many, like the WaterRower Walnut, are made with hardwood) push the price up. They also require occasional water changes and a small amount of maintenance to prevent algae.

Water resistance does not just approximate the feeling of rowing on water, it uses the same physics.

Best for: home gyms where aesthetics matter, experienced rowers who value feel, anyone willing to pay a premium for a smooth, natural stroke.

Hydraulic resistance: compact but limited

Hydraulic rowers use pistons filled with fluid on the handles or arms to create resistance. Adjusting a dial changes the flow of fluid through the piston.

They are by far the most compact and affordable resistance type. A folding hydraulic rower can fit in a closet. Entry price can be a fraction of a quality air or water machine.

The limitations are real, though. Most hydraulic rowers use a rowing motion that is more like a push-pull than a true coordinated drive. The stroke mechanics differ enough that they do not build the same muscle memory or movement pattern as a chain-and-seat rower. Resistance can also feel inconsistent, and the pistons heat up during long sessions, which changes how the resistance behaves.

Best for: very small spaces, tight budgets, light occasional use only.

Frequently asked questions

For specific picks across all four resistance types, see our guide to the best rowing machines. Browse all fitness guides or read how we research and rate gear.