Heat Sink


It takes money and/or energy to heat water so it's important not to let any of that heat escape where it's not wanted. These few quests are really easy to do and will save you money. What's not to like? No excuses, start now.

A square badge with lagged hot water cylinder in the center with the words: Heat Sink

Lag the hot water tank.

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1 person is doing this quest


How to Install a Lagging Jacket

How to Install a Lagging Jacket

Woodie's DIY will show you how to lag your boiler. It's the simplest and easiest way to save energy and money.
2 minutes


I'm renting, can I do this too?

Theoretically the jackets can be removed and taken with you when you leave, so we'd say yes, but do ask your landlord just to make sure.

Beware of

Tightening the straps too much

The cylinder jackets work best if the ties aren't tied too tightly.

How the points breakdown

  • Travel
  • Food
  • Pollution and waste
  • Energy
  • Animal rights
  • Human rights
  • Education and culture
  • Health and wellbeing
  • Water
  • Land and community
  • Finance
  • Building
  • Biodiversity

How to get more points and earn coins too...

Check in! You'll get points each time you check in this quest.

Show us! You'll get 5 coins for every photo you add to your profile of you doing this quest.

Tell us about your experience! You'll get 25 coins for writing a blog post about achieving your quest. It's your chance to inspire others.

Inspire us! Have you found a short video that can inspire people to complete this quest? Tell us about it and if it's a good one we'll add it to the toolkit and you'll get 10 coins.

Do it again?

This quest is not repeatable.


This quest is part of the who-is-the-hottie collection.

Where can I get one of those ...

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