(A) Household appliances;

(B) American Gas Association (AGA) approved un-vented space heaters;

(C) Factory assembled air-cooled, self-contained refrigeration equipment of 1.5 HP or less and which have no refrigerant lines extending beyond the cabinet enclosure;

(D) Factory assembled air-cooled, self-contained window type air conditioning units of 36,000 BTUH or less not connected to ducts;

(E) Window, attic, ceiling and wall fans in residences; or

(F) Poultry operations whether engaged in hatching, primary processing or further processing of chicken, turkey or other fowl.

(A) Performs HVACR working an existing building or structure owned and occupied by him as his home;

(B) Performs HVACR work in an existing building or structure owned or occupied by him on his farm;

(C) Performs work for public utilities on construction, maintenance, and development work, which is incidental to their business;

(D) Performs work on motor vehicles;

(E) Is an architect or registered engineer who designs HVACR systems for design criteria only;

(F) Is an employee of a hospital and who performs HVACR work which is incidental to the hospital's operation; items related to Health Care facilities shall continue to be governed by the Rules pertaining to health care facilities licensed under Act 414, of 1961, as amended and administered by the Arkansas Department of Health, Division of Health Care Facilities;

(G) Installs or does maintenance work on a gas-fired floor furnace, wall furnace or unit heater, if the person is licensed pursuant to Arkansas Code Ann. § 17-38-301 et seq. and the work is performed within the limitations of the person's license;

(H) Is a pipefitter, welder, well driller, sheetmetal worker, or plumber working under a Class A, Class B, Class D, or Class E licensee and who is enrolled in or has satisfactorily completed an apprenticeship training program, approved by the state of Arkansas, in his respective trade and the work is performed within the limitations of the person's license.