LOW GWP REFRIGERANT EXAM
2026 WITH ACTUAL CORRECT QUESTIONS
AND VERIFIED DETAILED ANSWERS
|CURRENTLY TESTING QUESTIONS AND
SOLUTIONS|ALREADY GRADED A+|NEWEST
|BRAND NEW VERSION|JUST RELEASED!!
When a technician is disposing of a piece of equipment that was charged with a flammable
refrigerant, it must have a label affixed to it which states:
the date that the equipment was decommisioned and the refrigerant was recovered.
the equipment manufacturer and where it was purchased.
the disposal location and the reason for disposal.
the location where the equipment was installed, and where it was disposed of.
the date that the equipment was decommisioned and the refrigerant was recovered.
Where can information regarding recommended personal protective equipment (PPE) for a
specific refrigerant be found?
It is published by the Federal Trade Comission (FTC).
It will be listed on the EPA's website.
The refrigerant wholesaler must provide the information when the refrigerant is purchased.
The Safety Data Sheets (SDS) for the refrigerant.
The Safety Data Sheets (SDS) for the refrigerant.
Which of the following must be done when removing an existing R-410A system and installing a
system that is charged with an A2L?
1|Page
,A technician must install a temporary sprinkler system which will cover the entire work area.
All gas burning appliances in the installation area must be replaced with electric appliances.
The exposed surfaces of the jobsite must be watered down to ensure that they remain damp for
the duration of the installation.
The installation area must be evaluated to ensure that it meets the manufacturer's
specifications and local building codes.
The installation area must be evaluated to ensure that it meets the manufacturer's
specifications and local building codes.
Before beginning the installation of a system that is charged with an A2L refrigerant:
a local code official must approve the site of the installation.
NFPA 704 hazard placards must be placed in visible locations around the perimeter of the
jobsite.
permanent mechanical ventilation must be installed in the structure.
verify that all the components being installed are designed for use with A2L refrigerants.
verify that all the components being installed are designed for use with A2L refrigerants.
When installing a system that is charged with a flammable refrigerant, which of the following
can be installed to energize mitigation responses?
Active refrigerant sensor.
Combustion gas leak detector.
Passive refrigerant sensor.
Wi-Fi enabled digital thermostat.
Active refrigerant sensor.
2|Page
, Intrinsically safe electrical components:
can be operated in wet locations or underwater.
can be worked on while live within a flammable atmosphere.
can only be operated while being monitored by a service professional.
can operate outside of their listed design conditions for a brief period.
can be worked on while live within a flammable atmosphere.
When performing service on the electrical components of a system that is charged with an A2L
refrigerant, which of the following is an unacceptable practice?
Discharging all capacitors with a screwdriver prior to beginning any repair.
Replace components only with parts specified by the manufacturer (OEM).
Verify that the system is properly grounded prior to beginning any repair.
When the system is de-energized, employ proper lockout and tagout procedures.
Discharging all capacitors with a screwdriver prior to beginning any repair.
Patterns of adding refrigerant to an A2L system of at least once per three-year period, should be
considered:
a symptom of a faulty compressor.
proof of a leak.
verification of the efficiency of any installed mitigation strategies.
within the range of permissible emissions.
proof of a leak
After reaching the required recovery level on a system that is charged with an A2L refrigerant:
a nitrogen sweep should be done to remove any residual refrigerant vapor.
3|Page
2026 WITH ACTUAL CORRECT QUESTIONS
AND VERIFIED DETAILED ANSWERS
|CURRENTLY TESTING QUESTIONS AND
SOLUTIONS|ALREADY GRADED A+|NEWEST
|BRAND NEW VERSION|JUST RELEASED!!
When a technician is disposing of a piece of equipment that was charged with a flammable
refrigerant, it must have a label affixed to it which states:
the date that the equipment was decommisioned and the refrigerant was recovered.
the equipment manufacturer and where it was purchased.
the disposal location and the reason for disposal.
the location where the equipment was installed, and where it was disposed of.
the date that the equipment was decommisioned and the refrigerant was recovered.
Where can information regarding recommended personal protective equipment (PPE) for a
specific refrigerant be found?
It is published by the Federal Trade Comission (FTC).
It will be listed on the EPA's website.
The refrigerant wholesaler must provide the information when the refrigerant is purchased.
The Safety Data Sheets (SDS) for the refrigerant.
The Safety Data Sheets (SDS) for the refrigerant.
Which of the following must be done when removing an existing R-410A system and installing a
system that is charged with an A2L?
1|Page
,A technician must install a temporary sprinkler system which will cover the entire work area.
All gas burning appliances in the installation area must be replaced with electric appliances.
The exposed surfaces of the jobsite must be watered down to ensure that they remain damp for
the duration of the installation.
The installation area must be evaluated to ensure that it meets the manufacturer's
specifications and local building codes.
The installation area must be evaluated to ensure that it meets the manufacturer's
specifications and local building codes.
Before beginning the installation of a system that is charged with an A2L refrigerant:
a local code official must approve the site of the installation.
NFPA 704 hazard placards must be placed in visible locations around the perimeter of the
jobsite.
permanent mechanical ventilation must be installed in the structure.
verify that all the components being installed are designed for use with A2L refrigerants.
verify that all the components being installed are designed for use with A2L refrigerants.
When installing a system that is charged with a flammable refrigerant, which of the following
can be installed to energize mitigation responses?
Active refrigerant sensor.
Combustion gas leak detector.
Passive refrigerant sensor.
Wi-Fi enabled digital thermostat.
Active refrigerant sensor.
2|Page
, Intrinsically safe electrical components:
can be operated in wet locations or underwater.
can be worked on while live within a flammable atmosphere.
can only be operated while being monitored by a service professional.
can operate outside of their listed design conditions for a brief period.
can be worked on while live within a flammable atmosphere.
When performing service on the electrical components of a system that is charged with an A2L
refrigerant, which of the following is an unacceptable practice?
Discharging all capacitors with a screwdriver prior to beginning any repair.
Replace components only with parts specified by the manufacturer (OEM).
Verify that the system is properly grounded prior to beginning any repair.
When the system is de-energized, employ proper lockout and tagout procedures.
Discharging all capacitors with a screwdriver prior to beginning any repair.
Patterns of adding refrigerant to an A2L system of at least once per three-year period, should be
considered:
a symptom of a faulty compressor.
proof of a leak.
verification of the efficiency of any installed mitigation strategies.
within the range of permissible emissions.
proof of a leak
After reaching the required recovery level on a system that is charged with an A2L refrigerant:
a nitrogen sweep should be done to remove any residual refrigerant vapor.
3|Page
