Sentence 9.32.3.10.(5)

Intent 1:

To limit the probability that the performance of heat recovery ventilators will fall significantly below expectations in cold weather, which could lead to inadequate ventilation.

This is to limit the probability of the inadequate control of:

• airborne pollutants,
• oxygen and other components necessary for breathable air, or
• relative humidity and indoor air temperatures.

This is to limit the probability of:

• negative effects on the air quality of indoor spaces, or
• the inadequate thermal comfort of persons.

This is to limit the probability of harm to persons.