(a) 
Before any person shall do any work or make any connections to an air conditioning or refrigeration system in the city, or do any work connected or intended to be connected to an air conditioning or refrigeration system, she/he shall be licensed as provided in the “Texas Air Conditioning and Refrigeration Contract License Law,” as amended, the same being the Texas Department of Licensing and Regulation, Texas Occupations Code, chapter 51.
(b) 
Administration.
The administration and enforcement of the provisions of this article shall be vested in the chief building official of the city or his designee.
(Ordinance 11-3542, sec. II (20-151), adopted 1/25/11)
This article shall be known as the mechanical ordinance of the city, and may be cited as such.
(Ordinance 04-3431, sec. III (20-161), adopted 10/26/04)
It shall be unlawful for any person, association of persons, copartnership or corporation to engage in the business of air conditioning and refrigeration contracting or perform any air conditioning or refrigeration contracting as defined in section 3.06.032 of this article without first having procured the necessary licenses and permits as hereinafter provided for, and all mechanical work and workmanship and materials shall meet the requirements of this article and shall pass all inspections required in this article in regard to the work done.
(Ordinance 04-3431, sec. III (20-161), adopted 10/26/04)
For the protection and preservation of life and the public health, safety, property and the general welfare of the people, the following provisions are enacted relating to the installation, alteration, repair, design, construction, quality of materials, location, operation and maintenance or use of heating, ventilating, cooling, and refrigeration systems, incinerators and other miscellaneous heat-producing appliances in all buildings and structures and on all property now erected or to be erected, changed, constructed, reconstructed, repaired or altered within the city. The intent and purpose of this article is to regulate the construction, erection, enlargement, alteration, maintenance or repair of all mechanical systems used for the purpose of environmental air conditioning, commercial refrigeration or process heating and cooling systems in or on and about any and all premises in the city.
(Ordinance 04-3431, sec. III (20-171), adopted 10/26/04)
This article shall apply to all mechanical systems, as herein defined, within the boundaries of the city.
(Ordinance 04-3431, sec. III (20-181), adopted 10/26/04)