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Alaska HVAC Practice 7

Practice 7 for HVAC Exam learners in Alaska: 25 questions, explained answers, and a review routine.

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Question 1

1

R-22 is classified under which refrigerant family, and why is it being phased out?

Question 2

2

Which EPA 608 certification type covers technicians who service small appliances containing five pounds or less of refrigerant, such as household refrigerators and window AC units?

Question 3

3

Which federal regulation requires HVAC technicians to be certified before purchasing or handling refrigerants with a global warming potential above 150?

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