# Idaho Code § 54-5003: 54-5003 DEFINITIONS > Idaho · Statutes · In force URL: https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5003 ## Section - **Citation:** Idaho Code § 54-5003 - **Heading:** 54-5003 DEFINITIONS - **Jurisdiction:** Idaho - **Kind:** Statutes - **Status:** In force - **Text as of:** August 14, 2026 - **Source:** Compiled text - **Location:** Idaho Code / Title 54 / Chapter 50 / Section 54-5003 ## Text 54-5003. Definitions. As used in this chapter: (1) "Heating, ventilation and air conditioning (HVAC)" means and includes the business, trade, practice or work, materials and fixtures used in the design, construction, installation, improvement, extension and alteration of all piping, venting, ductwork, appliances and appurtenances in connection with any heating, ventilation or air conditioning system or subsystems of such. (2) "Heating, ventilation and air conditioning apprentice" means any person who, as his principal occupation, is engaged in learning and assisting in installation, improvement, extension, alteration or repair of HVAC systems. An apprentice shall perform HVAC work under the supervision of an HVAC journeyman or HVAC contractor. (3) "Heating, ventilation and air conditioning contractor" means any person who fabricates, installs, maintains, services and repairs warm air heating and water heating systems, heat pumps, complete with warm air appliances including, but not limited to, boilers, pool heaters, space heaters, decorative gas and solid fuel-burning appliances, and gas, propane, electric or oil-fired water heaters; ventilating systems complete with blowers and plenum chambers; air conditioning systems complete with air conditioning unit and the ducts, registers, flues, humidity and thermostatic controls of air, liquid or gas temperatures below fifty (50) degrees fahrenheit or ten (10) degrees celsius, and air filters in connection with any of these systems. (4) "Heating, ventilation and air conditioning journeyman" means any person who, as his principal occupation, is engaged in the installation, improvement, extension, alteration or repair of HVAC systems and who is familiar with the provisions of this chapter and who works in the employ and under direction of an HVAC contractor. (5) "Heating, ventilation and air conditioning specialty apprentice including specialty limited heating apprentice" means any person who, as his principal occupation, is engaged in learning and assisting in a specific aspect of installation, improvement, extension, alteration or repair of HVAC systems that includes, but is not limited to, such aspects as gas piping, gas appliances and installation, or decorative gas-fired appliances. A specialty apprentice shall perform HVAC work under the supervision of an HVAC journeyman, HVAC specialty journeyman, HVAC contractor or an HVAC specialty contractor. (6) "Heating, ventilation and air conditioning specialty contractor including specialty limited heating contractor" means any person who, as his principal occupation, is engaged in a specific aspect of the heating, ventilation and air conditioning trade that includes, but is not limited to, such aspects as gas piping, gas appliances and installation, or decorative gas-fired appliances. (7) "Heating, ventilation and air conditioning specialty journeyman including specialty limited heating journeyman" means any person who, as his principal occupation, is engaged in a specific aspect of installation, improvement, extension, alteration or repairing of HVAC systems that includes, but is not limited to, such aspects as gas piping, gas appliances and installation, or decorative gas-fired appliances. A specialty journeyman is familiar with the provisions of this chapter and works in the employ and under direction of an HVAC contractor or an HVAC specialty contractor. (8) "Heating, ventilation and air conditioning system" means any heating, ventilation or air conditioning system in a residential, private, public or semipublic building or structure including, but not limited to, any mechanical means of heating or air conditioning and to gas piping, venting, ductwork and controls. (9) "Local government" means any incorporated city or any county in the state. r. (8) "Heating, ventilation and air conditioning system" means any heating, ventilation or air conditioning system in a residential, private, public or semipublic building or structure including, but not limited to, any mechanical means of heating or air conditioning and to gas piping, venting, ductwork and controls. (9) "Local government" means any incorporated city or any county in the state. (10) "Specialty limited heating" as it applies to the definitions of "heating, ventilation and air conditioning specialty apprentice," "heating, ventilation and air conditioning specialty contractor" and "heating, ventilation and air conditioning specialty journeyman" means any person who installs, maintains, services and repairs LP gas-fired appliances, LP fuel gas piping and related exhaust venting. This definition of specialty limited heating shall exclude boilers, hydronic systems, ducted forced air systems, ventilating and air conditioning systems, systems with a BTU input rating over three hundred thousand (300,000), solid fuel and electric fueled systems. A "specialty limited heating journeyman" is required to meet the experience requirement and either the education or examination requirement set forth in this section to receive a certificate of competency. The education of a "specialty limited heating journeyman" shall include one hundred twenty (120) hours of instruction approved by the board for career technical education in LP gas specialty education. The experience requirement of a "specialty limited heating journeyman" shall be two (2) years' experience working in the trade, in compliance with the requirements of the state in which the applicant received his supervision or as a registered HVAC apprentice or registered HVAC specialty apprentice making HVAC installation on the job under the supervision of a qualified HVAC journeyman or qualified HVAC specialty journeyman. The examination required in this section shall be developed by the board for career technical education and approved by the Idaho heating, ventilation and air conditioning board. History: [54-5003, added 2003, ch. 276, sec. 1, p. 734; am. 2004, ch. 308, sec. 1, p. 859; am. 2009, ch. 280, sec. 1, p. 842; am. 2012, ch. 49, sec. 1, p. 144; am. 2015, ch. 244, sec. 35, p. 1027; am. 2016, ch. 25, sec. 44, p. 60.] ## Nearby sections - [Idaho Code § 54-5001 54-5001 DECLARATION OF POLICY.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5001.md) - [Idaho Code § 54-5002 54-5002 EXCEPTIONS.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5002.md) - [Idaho Code § 54-5003 54-5003 DEFINITIONS.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5003.md) - [Idaho Code § 54-5004 54-5004 IDAHO HEATING, VENTILATION AND AIR CONDITIONING BOARD.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5004.md) - [Idaho Code § 54-5005 54-5005 POWERS AND DUTIES OF THE BOARD — LIMITATION.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5005.md) - [Idaho Code § 54-5006 54-5006 ADMINISTRATOR OF THE DIVISION OF OCCUPATIONAL AND PROFESSIONAL LICENSES.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5006.md) - [Idaho Code § 54-5007 54-5007 REQUIREMENTS FOR CERTIFICATES OF COMPETENCY.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5007.md) - [Idaho Code § 54-5008 54-5008 CERTIFICATE A PREREQUISITE.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5008.md) - [Idaho Code § 54-5009 54-5009 CLASSIFICATION OF COMPETENCY.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5009.md) - [Idaho Code § 54-5010 54-5010 EXAMINATIONS — NOTIFICATION — APPLICATION.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5010.md) - [Idaho Code § 54-5011 54-5011 ISSUANCE OF CERTIFICATE OF COMPETENCY.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5011.md) - [Idaho Code § 54-5012 54-5012 FEES FOR APPLICATION FOR EXAMINATION, CERTIFICATES OF COMPETENCY AND REGISTRATION OF APPRENTICES.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5012.md) - [Idaho Code § 54-5013 54-5013 CERTIFICATE EXPIRATION — RENEWAL — REINSTATEMENT.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5013.md) - [Idaho Code § 54-5014 54-5014 CERTIFICATE TO BE DISPLAYED AND CARRIED ON THE JOB.](https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5014.md) --- Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_ID_T54_C50_S54-5003. Check the current official text before relying on it. Not legal advice.