The following words, terms, and phrases, when used in this chapter, have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:

(1) “Board” means the State Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners.

(2) “Commercial hood system” means a system or ventilation for an exhaust in commercial establishments.

(3) “Cooling system” means a system in which heat is removed from air, surrounding surfaces, or both. A cooling system includes an air conditioning system.

(4) “Division” means the Division of Professional Regulation.

(5) “Gas piping” means any arrangement of piping used to convey fuel gas, supplied by 1 meter, and each arrangement of gas piping serving a building, structure, or premises, whether individually metered or not. “Gas piping” does not include the installation of gas appliances where existing service connections are already installed, nor does the term include the installations, alterations, or maintenance of gas utilities owned by a public utility.

(6) “HVACR” means heating, ventilation, air conditioning, and refrigeration.

(7) “HVACR restricted services” means HVACR services that are limited to 1 of the following specialties:

a. Heating — forced air systems; ventilation; and gas piping; or

b. Heating — hydronic systems and gas piping; or

c. Commercial hood systems; or

d. Refrigeration; or

e. Air-conditioning; or

f. Gas piping.

(8) “HVACR services” means the design, installation, construction, maintenance, service, repair, alteration, or modification of a product or of equipment including gas piping in heating and air conditioning, refrigeration, ventilation, or process cooling or heating systems.

(9) “Hydronic system” means a heating and cooling system using liquids or steam to transmit or remove heat.

(10) “License” means a document issued by the Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners certifying that the holder has met the requirements of this chapter and is a master plumber, master HVACR licensee, or master HVACR restricted licensee.

(11) “Master HVACR licensee” means an individual holding a current license pursuant to this chapter to provide heating, ventilation, air conditioning, commercial hood systems, hydronic systems, refrigeration, and gas piping services pursuant to this chapter.

(12) “Master HVACR licensee restricted” means an individual holding a current license pursuant to this chapter to provide services pursuant to this chapter in 1 of the following areas:

a. Heating — forced air systems; ventilation; and gas piping; or

b. Heating — hydronic systems and gas piping; or

c. Commercial hood systems; or

d. Refrigeration; or

e. Air-conditioning; or

f. Gas piping.

(13) “Master plumber”, “licensed plumber”, or “licensed master plumber” means an individual holding a current license to provide plumbing services issued pursuant to this chapter.

(14) “Plumber” is an individual who provides plumbing services.

(15) “Plumbing services” means the design, installation, construction, replacement, service, repair, alteration, or modification of the pipes, fixtures, and other apparatus used for bringing the water supply into a building and removing liquid and water-carried wastes from a building. Plumbing services also includes the installation and connection of gas piping.

(16) “Refrigeration system” means a system used to cool a surface or area below 55 degrees Fahrenheit or 12.9 degrees Celsius.

(17) “Substantially related” means the nature of the criminal conduct, for which the person was convicted, has a direct bearing on the fitness or ability to perform 1 or more of the duties or responsibilities necessarily related to the work of a master plumber, master HVACR licensee, or master HVACR licensee restricted.

(18) “Supervision” means control and oversight by a master licensee who is an owner or full-time employee of the entity providing services. A supervising master licensee is responsible and accountable for the work performed under the supervising master licensee’s license.

(19) “Ventilation system” means the natural or mechanical process of supplying air to, or removing air from, any space, whether the air is conditioned or not conditioned and at a rate of airflow of more than 250 cubic feet per minute.

71 Del. Laws, c. 185, § ?1; 70 Del. Laws, c. 186, § ?1; 74 Del. Laws, c. 262, § ?31; 75 Del. Laws, c. 296, § ?1; 76 Del. Laws, c. 192, §§ ?1-6;