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dishwasher ready to be unloaded, with clean dishes

Quiz: Test your dishwasher knowledge

From energy and water savings to adopting the right habits, see how much you know about dishwashers.

Dishwashers can be a real lifesaver, especially as more of us spend our days working (and eating) at home. Saving over 35 minutes at the sink every day means an extra 230 hours every year to put towards the things that matter most. Put your knowledge about dishwashers to the test and learn a little more about how much energy they can save you compared to handwashing.


1. True or false: If I’m buying a new dishwasher, it’ll be energy efficient.

  1. True
  2. False

2. How much less energy do ENERGY STAR dishwashers use compared to standard models?

  1. 4 per cent less
  2. 10 per cent less
  3. 12 per cent less
  4. 32 per cent less

3. How much less water do ENERGY STAR dishwashers use compared to standard models?

  1. 10 per cent less
  2. 14 per cent less
  3. 30 per cent less
  4. 60 per cent less

4. True or False: Handwashing half a load’s worth of dishes is less wasteful than running the dishwasher half full.

  1. True
  2. False

5. True or false: Hand washing pots and pans instead of putting them in the dishwasher is a good way to save energy.

  1. True
  2. False

6. True or false: Always pre-rinse to keep your dishwasher running efficiently.

  1. True
  2. False