Sentence 9.33.5.1.(1)

Intent 1:

To limit the probability that heating appliances will have an inadequate capacity, which could lead to an inability to maintain the minimum indoor air temperatures [see Sentence 9.33.3.1.(1)], which could lead to condensation.

This is to limit the probability of:

• the generation of pollutants from biological growth or from 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.

Intent 2:

To clarify which indoor and outdoor design temperatures apply.