AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/epa-mothball-appliance

In EPA's leak repair rules, what does it mean to 'mothball' an appliance?

Start playing free

  1. Evacuate it to at least atmospheric pressure and shut it down
  2. Leave it fully charged and switch it off for the season
  3. Remove it from service and scrap it for good

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every HVAC Tech Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. 40 CFR 82.152 Definitions (Cornell LII) www.law.cornell.edu/cfr/text/40/82.152 Checked 2026-10-11.
  2. 40 CFR 82.157 Appliance maintenance and leak repair (Cornell LII) www.law.cornell.edu/cfr/text/40/82.157 Checked 2026-10-11.
  3. 40 CFR 82.157 Appliance maintenance and leak repair (Cornell LII) www.law.cornell.edu/cfr/text/40/82.157 Checked 2026-10-11.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Trades & ShopEPA's 2024 HFC leak repair rule applies to appliances holding at least how many pounds of refrigerant?Trades & ShopFor big ozone-depleting appliances, does a standing pressure decay test alone count as a leak inspection?Trades & ShopUnder EPA rules, a small appliance holds how much refrigerant at most?

That's stuff everyone should know.