1321.01 DEFINITIONS.
   (a)   "Air conditioning" means the conditioning or treatment of air within an enclosed space by a mechanical apparatus and, particularly, the lowering of the temperature of air and control of the ventilation, filtration and humidity of air primarily for human, environmental comfort. The refrigeration of air below 40 degrees Fahrenheit for commercial and industrial purposes is not included within the meaning of "air conditioning" for purposes of this chapter.
 
   (b)   "Commercial structure" means any four-family dwelling house or greater and any structure used for private or public business, but does not include industrial structures.
 
   (c)   "Electric heat system" means any system of heating that uses electric baseboard heaters, electric panel heaters or electric resistance heat of any type, but does not include imbedded electric resistance heating.
 
   (d)   "Heating" means the conditioning or treatment of air within an enclosed space by a mechanical apparatus for the warming of the temperature of air primarily for human, environmental comfort and includes all ducted air heating, electric heat, wet heat, air conditioning when combined with a component of a heating system or other similar environmental apparatus.
 
   (e)   "HVAC" is an abbreviation for the words "heating, ventilating and air conditioning" wherever used in this chapter.
 
   (f)   "HVAC contractor" means any person, partnership, corporation or other business entity which proceeds with or employs others for the installation, alteration, addition to, repair or replacement to any heating, ventilating and air conditioning system used or to be used in any building within the City.
 
   (g)   "Residential structure" means any single-family, two-family and three-family dwelling house which is not constructed of industrialized units.
 
   (h)   "Ventilations" means the circulation of air within an enclosed space by a mechanical apparatus primarily for human, environmental comfort.
 
   (i)   "Wet heat system" means any system of heating or cooling that involves steam, hot water, chilled water or the transfer of heat by a circulating fluid in a closed network of piping.
 
   (j)   "Mechanical journeyman" means a person who has been working at the HVAC/Mechanical trade for at least five (5) years either in the employ or under the supervision of a HVAC / Mechanical Contractor, and who is properly registered as described herein by the Building Department.
 
   (k)   "Mechanical apprentice" means a person engaged in learning the HVAC/Mechanical trade, by working under the direct supervision of a plumbing contractor or journeyman HVAC / Mechanical, under an apprenticeship program registered with the U.S. Department of Labor, Bureau of Apprenticeship Training, and who is properly registered as described herein by the Building Department. (Ord. 154-2010. Passed 12-20-10.)