Build your scenario

See the financial case for switching to NEST.

Use your hospital's real mattress cycle, failure and disposal costs. The model updates as you type.

Scale & timeframe

Start with the number of mattresses you are comparing.

Opening mattress quantitymattresses Analysis periodyearsChoose 1–10 years Weeks per yearfixedStandard calendar year

Mattress cycle

Tell us how often mattresses return and how many foam units fail.

Average return cycleweeks Foam failure rate per cycle% Cycle methodCompleted cycles rounds down to whole returns

Foam costs

Include purchase, cleaning and the disposal route used by your site.

Foam purchase price€each Cleaning cost€per failure

Foam disposal method

Standard disposal cost€per failure Clinical waste disposal cost€per failure

NEST upkeep & carbon

NEST is cleaned and the cover is replaced, rather than disposing of the full mattress.

NEST purchase price€ManagedSet centrally by the calculator administrator NEST replacement cover€per failure Lifecycle CO₂e avoidedkg per swapApplied once per mattress, never per cycle