9.33.4.5.(1)

Intent 1:

To limit the probability that components of heating or air-conditioning systems will become inoperative or will perform significantly below expectations, which could lead to an inability to maintain adequate indoor air temperatures.

This is to limit the probability of condensation, which could lead to:

• the generation of pollutants from:
  • harmful micro-organisms and the media they grow on,
  • biological growth, or
  • materials that become unstable on wetting, or
• the deterioration of building elements.

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.