Can the TIM10 work for LEED certification?

We receive several calls a week asking if the TIM10 indoor air quality meter can serve as a low-cost alternative to wall-mounted CO2 sensors controlling variable air-flow devices for LEED certification, as defined by the U.S. Green Building Council.

The LEED specification treats CO2 as the “canary in the mineshaft” for air quality. Studies repeatedly show that an increase in CO2 levels in a room directly corresponds to an increase in dust, chemicals, mold, germs, and many of the other airborne contaminants that lower our quality of life.

The LEED 2.2 EQ-Credit 1 Requirements are clear: they encourage a permanent CO2 monitoring system that provides either automatic or manual feedback of CO2 levels in naturally ventilated spaces having “25 or more people per 1000 sq. ft.” The system should generate an alarm when CO2 levels vary by 10% or more from set-point (usually 800ppm) via either a building automation system alarm to the building operator or via a visual or audible alert to the building occupants.

co2 transmitter

Since the TIM10 is not designed to be mounted to the wall, it will not meet the requirements of the LEED specification. In cases where the building owner is unable to retro-fit CO2-controlled demand-based ventilation systems, we recommend a wall-mounted CO2 transmitter designed specifically for that task.

However, the TIM10 still offer a cost-effective solution for monitoring indoor air quality.

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