Dog doors are a great way to give your dog the flexibility to spend time outdoors without asking you for approval. It is important to make sure your dog gets to spend adequate time in the fresh air and sunlight. However, during extreme weather many traditional dog doors allow the elements to come into your home. It also typically raises your heating and air conditioning bill in the summer and winter. Below we have outlined our top picks for weatherproof dog doors that can easily be installed in your home. We cover the benefits and drawbacks of magnetically sealed doors, how to make sure you have enough insulation, and the differences between single and double flap doors.