Walk-in tub comparisons

Walk-in tub vs curbless shower. The tub's advantage is a full-immersion seated bath and optional hydrotherapy. Its disadvantages are the fill and drain wait — commonly 10 to 15 minutes each — the higher hot water demand of a 40 to 80 gallon fill, and the fact that transferring over a low but real threshold is still required. A roll-in shower removes the threshold entirely and is far easier for a caregiver to assist in.

Tub cut vs full replacement. A tub-cut converts your existing tub by cutting a step-through opening and fitting a sealed insert. It costs far less than a new walk-in tub but you can no longer fill the tub to bathe unless a removable panel is fitted. It is a reasonable interim measure, not a bathing upgrade.

Soaker vs hydrotherapy. Soaker units start around $2,000–$4,000 in materials; hydrotherapy and air-jet models run $4,750–$9,000 per This Old House. Jets and pumps are also the components that fail and need service. If nobody in the house will use the jets weekly, skip them.

Bariatric and two-seater units are real product categories with real price steps: $6,000–$10,300 and $10,700–$13,700 in materials respectively. Buy on the user's actual measurements, not on the largest option offered.

How to choose

Start from the user, not the product

Can the person stand and pivot? Do they transfer from a wheelchair? Is a caregiver assisting? The answers usually pick the option before price does.

Consider an occupational therapist assessment

An OT evaluates the actual person and bathroom rather than selling a product. Ask your physician about a referral before spending five figures.

Price both options on the same visit

Ask companies that install both for a walk-in tub quote and a curbless shower quote. Companies that only sell tubs will only recommend tubs.

Test the cold wait honestly

If sitting damp for 10 to 15 minutes twice per bath is unacceptable, a walk-in tub is the wrong purchase regardless of price.

Think about the next five years

If mobility is declining, the roll-in shower usually keeps working longer than a tub does.