HVAC CATEGORY. (a) The holder of a mechanical administrator license in the residential HVAC category may

supervise all work described in (b) of this section in accordance with AS 08.40.400.

(b) Residential HVAC work includes the installation, alteration, or retrofitting of

(1) fuel gas piping downstream of the gas meter, or fuel tank and fuel oil piping that is integral to work on an

HVAC system for a single-family dwelling or a duplex dwelling not exceeding three stories; and

(2) warm air heating systems not exceeding 240,000 B.T.U./hour input.

(c) A mechanical administrator licensed in the residential HVAC category may supervise, in accordance with

AS 08.40.400, the installation or retrofitting of all plug-in type electrical control panels and apparatus, and may

supervise the retrofitting of all control wiring of 48 volts or less, in a residential single-family dwelling or a duplex

dwelling not exceeding three stories so long as those modifications do not alter the electrical characteristics of the

mechanical system or controls. The original installation of control wiring, or the alteration or retrofitting of controls

and control wiring that alters the electrical characteristics of the mechanical system, must be supervised by an

electrical administrator licensed in the appropriate category under 12 AAC 32.

(d) Nothing in this section prohibits a mechanical administrator licensed in the unlimited HVAC/sheet metal

category, as described in 12 AAC 39.252, from performing or supervising mechanical work on a residential

dwelling.

Authority: AS 08.40.230 AS 08.40.260 AS 08.40.400

AS 08.40.240