Earlier action on sustained humidity

View the CALM 24/7 fan

Four selectable profiles respond to different combinations of humidity and time. As conditions become more severe, CALM 24/7 moves to a stronger ventilation response.

Four response profiles MOULD-RISK SETUP

Low: an early, measured response

Designed for sustained humidity above 65% RH over 24 hours.

CALM 24/7 LCD showing the Low mould-risk profile thresholds and response
Recommended profile
  • Trigger: above 65% RH for 24 hours
  • Response: boost for 30 minutes every 4 hours
  • Recovery: below 60% RH for 60 minutes

Low is identified as the recommended profile in the CALM 24/7 menu.

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