HouseholdTried-and-true tip

Use an outdoor and an indoor thermometer to decide when to air

An outdoor and an indoor thermometer show you when airing is worthwhile on hot days.

Time
⏱ 2 min
Difficulty
◆ easy

What you need

  • Outdoor thermometer
  • Room thermometer

How to do it

  1. Fix the outdoor thermometer in a shaded spot.
  2. Put the room thermometer in the room you want to air.
  3. Air the room when it is cooler outside than inside.

Sources

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