Pests That Seek Out Warmth

Pests are attracted to homes for a variety of reasons. One of the most common being that they are attracted to warmth. Many pests look for warm places to call home. Here are some of the most common pests to seek out warmth.

rat seeking warmth

  • Mice
  • Squirrels
  • Rats
  • Moths
  • Bees
  • Ants

Why Do Pests Seek Out Warmth?

Common household pests seek out warmth for a variety of reasons. The reasons depend on the specific pest and their stage in life. Here are some of the reasons. Knowing some of these reasons can help you keep pests out of your home.

7 pests that seek out warmth


Warmth can signal safety to some pests. Warmth means they are somewhere that isn’t cold and that could be free of predators. Many of the places that are warm in nature are relatively safe, thus pests will assume warm homes are too. Mice for example, will nest in your walls – it’s warm and safe. Rats can live in sewers – it is warmer underground than above for much of the year, as well as being totally free of predators. Your home is both warm and safe.


Insects can often reproduce faster in warmer conditions. You’ll know that because some insects, such as clothes moths and flies are not usually around in the Winter months.

End of Life

When it comes time for an animal to die, they want to be somewhere comfortable. Just like humans. End of life for some pests is also an interesting time. Many pests, such as clothes moths, seek out warm places to give their off-spring the biggest chance of surviving, as well as food for them. This is despite the fact that the pest will not last through the colder season.

dead cockroach

Avoid Death

Some pests seek out warmth because they are looking to survive and avoid death. Cold weather means freezing temperatures and other concerns for animals. In order to avoid death, the pests search for warmth. They know through instinct they will have better chances of surviving in warmer surroundings. That includes your home.


A lot of animals migrate during the colder season. Birds are a great example of this. Other animals migrate though, including butterflies. When animals migrate, they are looking for a warm place to be. With global warming, it hasn’t been unheard of for a creature to mistake a warm home or warm area as a safe place to migrate to.

birds migrating

Instead of straightforward migration, some pests will move continuously throughout the year. That is why different areas see them in waves. One half of the year will be spent going one way. The other half, the other way.

A lot of pests will seek out warmth for a variety of reasons. These are just some of the most common reasons and most common pests. Properly preparing for the cold weather and pest proofing your home will help to prevent your warm property from being a home for pests. You can call out 24 hour pest control whenever you need help with pests.


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