You can make sure that your dog is warm by the fire but just know that some dogs really like fire and some hate so just know that

A sweater may keep your dog warm and toasty and you can get one for your cat to

A blanket as well as keeping them warm can also give them something that they are attached to

When a pet mostly cats and dogs it makes them feel playful and they will know your house is a place to play

A bed will give something for your pet to lay in and it will be a safe space for them

If you pet your dog it will be a calming thing if you pet your dog and cat and other pets