The holder of this limited license may perform only the installation, repair, replacement, alteration, and maintenance of gas or oil burners for domestic and light commercial installations.

A domestic or light commercial burner shall be considered as one consuming five gallons or less per hour or for systems with a total heating load not exceeding 500,000 BTUs.

This license permits the piping for petroleum-based fuels, alternate fuels including tanks and related equipment, LP gas supplied by gas containers and/or natural gas piping, approved gas applications, gas utilization equipment and accessories.

This limited license shall include “sheet metal” work as it pertains to the limitations of this credential.

Requirements to qualify for this exam shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this limited license may perform only the installation, repair, replacement, alteration, and maintenance of gas or oil burners for domestic and light commercial installations.

A domestic or light commercial burner shall be considered as one consuming five gallons or less per hour or for systems with a total heating load not exceeding 500,000 BTUs.

This license permits the piping for petroleum-based fuels, alternate fuels including tanks and related equipment, LP gas supplied by gas containers and/or natural gas piping, approved gas applications, gas utilization equipment and accessories.

This limited license shall include “sheet metal” work as it pertains to the limitations of this credential.

Requirements to qualify for the license examination shall be completion of a registered apprenticeship program or equivalent experience and training.

The holder of this license may perform the installing, servicing and repairing of any gas or oil-fired burners.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this license may perform the installing, servicing and repairing of any gas or oil-fired burner and only while in the employ of a contractor licensed for such work.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

LIMITED WARM AIR, AIR CONDITIONING AND REFRIGERATION CONTRACTOR

The holder of this license may perform the installation, repair, replacement, maintenance or alteration of any warm air, air conditioning and refrigeration system, including necessary piping for the conveyance of heating or cooling media and associated pumping equipment.

This license does not include the installation or servicing of oil burners of any size.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

LIMITED WARM AIR, AIR CONDITIONING AND REFRIGERATION JOURNEYPERSON

The holder of this license may perform the installation, repair, replacement, maintenance or alteration of any warm air, air conditioning and refrigeration system, including necessary piping for the conveyance of heating or cooling media and associated pumping equipment, and only while in the employ of a contractor licensed for such work.

This license does not include the installation or servicing of oil burners of any size.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

The holder of this license may perform the installation, repair, replacement, maintenance or alteration of all refrigeration systems included in food storage, air conditioning, or special process systems.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this license may perform the installation, repair, replacement, maintenance or alteration of all refrigeration systems included in food storage, air conditioning, or special process systems, and only while in the employ of a contractor licensed for such work. 

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

LIMITED HEATING, PIPING, AND COOLING CONTRACTOR

The holder of this license may perform the installation, repair, replacement, alteration, and maintenance of gas piping systems and approved gas appliances, gas utilization equipment and accessories for use with LP gas supplied by gas containers and/or natural gas.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this license may perform the installation, repair, replacement, alteration, and maintenance of gas piping systems and approved gas appliances, gas utilization equipment and accessories for use with LP gas supplied by gas containers and/or natural gas, and only while in the employ of a contractor licensed for such work.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

The holder of this license may perform only work limited to the welding process of all pipe and associated fittings and materials used by persons licensed pursuant to chapter 393 of the Connecticut General Statutes as long as such piping, associated fittings and materials are used by persons licensed to perform work a defined by section 20-330 of the Connecticut General Statutes and only while in the employ of a properly licensed contractor.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training and the presentation of a certificate in pipe welding that is current within six months of the date of application for this license.

LIMITED WELDING CONTRACTOR

The holder of this license may perform only work limited to the welding process of all pipe and associated fittings and materials used by persons licensed pursuant to chapter 393 of the Connecticut General Statutes as long as such piping, associated fittings and materials are used by persons licensed to perform work a defined by section 20-330 of the Connecticut General Statutes.

The requirements to qualify for this license examination shall be two (2) years as a journeyperson or equivalent experience and training and the presentation of a certification in pipe welding that is current within six months of the date of application for this license.

The holder of this license may perform only work limited to "Hearth product work" means the installation, service or repair of a propane or natural gas fired fireplace, fireplace insert, stove or log set and associated venting and piping that simulates a flame of a solid fuel fire.

"Gas hearth product work" does not include (A) fuel piping work, (B) the servicing of fuel piping, or (C) work associated with pressure regulating devices, except for appliances gas valves. And shall include accessories for use with LP gas supplied by gas containers and/or natural gas.

The requirements to qualify for this license shall be two (2) years as a properly licensed journeyperson and the presentation of a certificate contractor course and examination in Hearth gas products and examination in State specific Business and law.

The holder of this license may perform only work as limited to "Hearth product work" meaning the installation, service or repair of a propane or natural gas fired fireplace, fireplace insert, stove or log set and associated venting and piping that simulates a flame of a solid fuel fire and only while in the employ of a licensed contractor.

"Gas hearth product work" does not include (A) fuel piping work, (B) the servicing of fuel piping, or (C) work associated with pressure regulating devices, except for appliances gas valves. And shall include accessories for use with LP gas supplied by gas containers and/or natural gas.

The requirements to qualify for this license exam shall be the completion of at least five (500) hours of in field experience and factory training and examination in "Hearth gas products administered by this agency.

The holder of this license may perform only work limited to machining operations such as pipe prepping, form tool and single point, pipe cut off and prepping, machine milling (associated feed tables) flange facing, counter boring, CNC pipe prepping/machining, metal disintegrating machining, electrical discharge machining, machine boring, and griding, tapping and threading.

The machining activities shall apply to all permanent plant equipment. This license only applies to work being performed at nuclear, fossil or petrochemical facilities.

The holder of this license may perform only work while in the employ of a properly licensed contractor and only limited to machining operations such as pipe prepping, form tool and single point, pipe cut off and prepping, machine milling (associated feed tables) flange facing, counter boring, CNC pipe prepping/machining, metal disintegrating machining, electrical discharge machining, machine boring, and griding, tapping and threading.

The machining activities shall apply to all permanent plant equipment.

This license only applies to work being performed at nuclear, fossil or petrochemical facilities.

LIMITED OPERATING STATIONARY ENGINEER JOURNEYPERSON

The holder of this license may perform operation related work.

“Operation” means a work discipline that employs technical knowledge and expertise in the manipulation, adjustment, control and monitoring of heating, air conditioning and refrigeration systems and boilers, with sufficient technical knowledge, as determined by the commissioner, and includes (i) heating systems with a steam or water boiler maximum operating pressure greater than fifteen pounds per square inch gauge, or air conditioning or refrigeration systems with an aggregate of more than fifty horsepower or kilowatt equivalency of fifty horsepower or of two hundred pounds of refrigerant.

This license also permits incidental maintenance, directly on or adjacent to such operating equipment, including daily blow downs, sample and adjust chemical treatment, clean fuel filters, change fuel nozzle, clean strainers and changing of existing fuel types.

Refrigeration plant operators may clean condenser water strainers, sample and adjust chemical treatment and perform absorber air purges.

This license does not permit any replacement or revisions to existing piping of any system type. Such person may only perform such work while in the employ of properly licensed contractor or as an employee of a building owner for work on the premises owned or leased by such employer.

The requirements to qualify for this examination shall be equivalent experience and training.

LIMITED PROCESS PIPING CONTRACTOR LICENSE 

The holder of the Process Piping contractor license (PP-1) may perform only work limited to and used directly in the production of a chemical or a product for human consumption.

"Process piping" means piping or tubing that conveys liquid or gas that is used directly in the production of a chemical or a product for human consumption.

The requirements to qualify for this license exam shall be two (2) years as a properly licensed journeyman or equivalent experience and training as determined by the Department.

LIMITED PROCESS PIPING JOURNEYPERSON LICENSE 

The holder of this license may perform work only while in the employ of a properly licensed contractor and only work limited and used directly in the production of a product for human consumption.

"Process piping" means piping or tubing that conveys liquid or gas that is used directly in the production of a product for human consumption.

The requirements to qualify for this license exam shall be the completion of a bona fide apprenticeship program or equivalent experience and training as determined by the Department.

UNLIMITED HEATING, PIPING, AND COOLING CONTRACTOR

The holder of this license may do all heating, piping and cooling work as defined in section 20-330 of the Connecticut General Statutes.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training. 

The holder of this license may do all heating, piping and cooling work as so defined only while in the employ of a licensed contractor.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

The holder of this license may perform the installation, repair, replacement, maintenance or alteration of any apparatus of piping, appliances, devices or accessories for heating systems, boilers, including apparatus and piping for the generation or conveyance of steam and associated pumping equipment and oil burner installation and servicing (excluding sheet metal work, air conditioning and refrigeration systems).

This license also covers the installation of hot, chilled and condenser water, as well as steam piping in air conditioning systems.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this license may perform the installation, repair, replacement, maintenance or alteration of any apparatus for piping, appliances, devices or accessories for heating systems, boilers, including apparatus and piping for the generation or conveyance of steam and associated pumping equipment and oil burner installation and servicing (excluding sheet metal work, air conditioning and refrigeration systems) and only while ill the employ of a contractor licensed for such work.

This license also covers the installation of hot, chilled and condenser water, as well as steam piping-in air conditioning systems.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

The holder of this license may perform only work limited to hot water or steam heating systems for buildings not over three stories high with a total heating load not exceeding 500,000 BTU's and steam pressure not exceeding fifteen pounds.

This license also covers the servicing and installation of oil burners handling up to five gallons per hour, as well as gas burners and gas piping for the work covered by this license.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this license may perform only work limited to hot water or steam heating systems for buildings not over three stories high with a total heating load not exceeding 500,000 BTU’s and steam pressure not exceeding fifteen pounds and only while in the employ of a contractor licensed for such work.

Also covered by this license is the servicing and installation of oil burners handling up to five gallons per hour, as well as gas burners and gas piping for work covered by this license.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

The holder of this license may perform only work limited to hot water or steam heating systems for buildings not over three stories high with total heating load not exceeding 500,000 BTU's, steam pressure not exceeding fifteen pounds, and/or cooling installations up to 35 tons per systems.

This license also covers the installation or servicing of oil burners handling up to five gallons per hour as well as LP gas supplied by gas containers and/or natural gas piping for work covered by this limited license.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this license may perform work only while in the employ of a licensed contractor and only limited to hot water or steam heating systems for buildings not over three stories high with total heating load not exceeding 500,000 BTU's, steam pressure not exceeding fifteen pounds, and/or cooling installations up to 35 tons per systems.

This license also covers the installation or servicing of oil burners handling up to five gallons per hour as well as LP gas supplied by gas containers and/or natural gas piping for work covered by this limited license.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

The holder of this license may perform only work limited to the installation, erection, replacement, repair or alteration of any duct work system, both ferrous and nonferrous for ductwork systems of any size and type, excluding pneumatic conveyance systems which are covered under sections 20-332- 5(a), (b), (c), and (d) of these regulations.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this license may perform only work limited to the installation, erection, replacement, repair or alteration of any duct work system, both ferrous and nonferrous for ductwork systems of any size and type, excluding pneumatic conveyance systems which are covered under sections 20-332- 5(a), (b), (c), and (d) of these regulations.

The holder of this license may perform such work only while in the employ of a contractor license for such work.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

The holder of this license may perform only work limited to the installation, erection, replacement, repair or alteration of ductwork system, both ferrous and nonferrous for ductwork systems used within a light commercial or residential building.

Light commercial and residential is a building with single air handling units not to exceed 35 tons of cooling, or fans or blowers not exceeding 14,000 cubic feet per minute (volume), excluding pneumatic conveyance systems which are covered under sections 20-332-5(a)(b)(c) and (d) of the regulations of Connecticut State agencies.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this license may perform only work limited to the installation, erection, replacement, repair or alteration of ductwork system, both ferrous and nonferrous for ductwork systems used within a light commercial or residential building.

Light commercial and residential is a building with single air handling units not to exceed 35 tons of cooling, or fans or blowers not exceeding 14,000 cubic feet per minute (volume), excluding pneumatic conveyance systems which are covered under sections 20-332-5(a)(b)(c) and (d) of the regulations of Connecticut State agencies.

The holder of this license may perform such work only while in the employ of a contractor license for such work. The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training

The holder of this license may perform only work limited to the installation, erection, replacement, repair or alteration of ductwork system, both ferrous and nonferrous for hood ductwork systems of any size and type limited to and as it pertains to the proscribed code standards, excluding pneumatic conveyance systems which are covered under sections 20-332-5(a), (b), (c), and (d) of the regulations of Connecticut State Agencies.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

The holder of this license may perform only work limited to the installation, erection, replacement, repair or alteration of ductwork system, both ferrous and nonferrous for hood ductwork systems of any size and type limited to and as it pertains to the proscribed code standards, excluding pneumatic conveyance systems which are covered under sections 20-332-5(a)(b)(c) and (d) of the regulations of Connecticut State Agencies.

The holder of this license may perform such work only while in the employ of a contractor license for such work.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

The holder of this license may perform only work on solar thermal work systems.

"Solar thermal work" means the installation, erection, repair, replacement, alteration, or maintenance of active, passive and hybrid solar systems that directly convert ambient energy into heat or convey, store or distribute such ambient energy.

The requirements to qualify for this license examination shall be two years as a solar journeyperson or equivalent experience and training.

The holder of this license may perform the following work, but only while in the employ of a contractor licensed for such work.

The holder of this license may perform only work on solar thermal systems. (4) "Solar thermal work" means the installation, erection, repair, replacement, alteration, or maintenance of active, passive and hybrid solar systems that directly convert ambient energy into heat or convey, store or distribute such ambient energy.

Requirements for this exam shall be an apprenticeship program which included instructions in solar thermal work or equivalent experience and training.

LIMITED HEATING AND COOLING CONTRACTOR (VALVES)

The holder of this license may perform only work limited to the inspection, maintenance, assembly or disassembly, repair (including machining or grinding) or replacement of all classes and types of valves.

The requirements to qualify for this license examination shall be two (2) years as a properly licensed journeyperson or equivalent experience and training.

LIMITED HEATING AND COOLING JOURNEYPERSON (VALVES)

The holder of this license may perform work only while in the employ of a properly licensed contractor and only work limited to the inspection, maintenance, assembly or disassembly, repair (including machining or grinding) or replacement of all classes and types of valves.

The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.