https://mozillabd.science/wiki..../The_Benefits_of_Cat
If you keep your cat's flap open, it may create a draft. This is a common issue experienced by cat owners. A draught excluder can reduce the amount of cold air that enters the house, but a cat flap that is insulated can provide more protection from the elements. Tomsgates offers a variety of insulated dog doors and cat flaps that work for all types of installations including wall-mounted installations. The Material Insulation is among the most important characteristics of a cat-door. This is what will keep cold air out and warm a