MAC 609 CERTIFICATION 2025/2026
EXAM QUESTIONS AND ANSWERS |
100% PASS
For a shop that already does air conditioning service and wants to start
working on HFO-1234yf, they will need:
A HFO-1234yf recovery, recycling and recharging machine
The service technicians to be Section 609 certified
A well-ventilated work area
All of the above - 🧠ANSWER ✔✔All of the above
Tech A states that an accumulator A/C system may require additional time
and precautions to remove the entire amount refrigerant. Tech B states that
all types of MVAC systems take the same recovery time. Who's correct?
Tech A
, Tech B
Both
Neither - 🧠ANSWER ✔✔Tech A
HHFC-134a purity standards require R/R/R machines to remove which of
the following contaminants from recovered refrigerant:
Oil
Moisture
Air
All of the above - 🧠ANSWER ✔✔All of the above
Using a refrigerant identifier greatly improves your ability to determine if
you have the right type of refrigerant and the purity of that refrigerant.
No, it has no advantage
No, it allows you to determine if the system is at correct pressure
No, it's for topping off the system
Yes, it allows you to determine the type of refrigerant - 🧠ANSWER ✔✔Yes,
it allows you to determine the type of refrigerant
EXAM QUESTIONS AND ANSWERS |
100% PASS
For a shop that already does air conditioning service and wants to start
working on HFO-1234yf, they will need:
A HFO-1234yf recovery, recycling and recharging machine
The service technicians to be Section 609 certified
A well-ventilated work area
All of the above - 🧠ANSWER ✔✔All of the above
Tech A states that an accumulator A/C system may require additional time
and precautions to remove the entire amount refrigerant. Tech B states that
all types of MVAC systems take the same recovery time. Who's correct?
Tech A
, Tech B
Both
Neither - 🧠ANSWER ✔✔Tech A
HHFC-134a purity standards require R/R/R machines to remove which of
the following contaminants from recovered refrigerant:
Oil
Moisture
Air
All of the above - 🧠ANSWER ✔✔All of the above
Using a refrigerant identifier greatly improves your ability to determine if
you have the right type of refrigerant and the purity of that refrigerant.
No, it has no advantage
No, it allows you to determine if the system is at correct pressure
No, it's for topping off the system
Yes, it allows you to determine the type of refrigerant - 🧠ANSWER ✔✔Yes,
it allows you to determine the type of refrigerant
