9.33.1. General

9.33.1. General
9.33.1.1. Application
  1. This Section applies to the design and installation of
    1. heating systems, including requirements for combustion air, and air-conditioning systems serving only one dwelling unit, and
    2. radiant heating systems in houses with a secondary suite including their common spaces.
  2. The design and installation of heating systems, including requirements for combustion air, and air-conditioning systems other than those described in Sentence (1) shall conform to Part 6. (See Note A-9.33.1.1.(2) and Subsection 9.10.10.)
  3. Air duct distribution systems serving one of the dwelling units in a house with a secondary suite shall not be directly interconnected with other parts of the house.
  4. Systems used for heating and air-conditioning shall conform to the energy efficiency requirements in Section 9.36.