Cedar-insulated dog houses are the most popular brand of dog houses to buy. These are the perfect outdoor houses that will keep your pup happy and you concern-free. They are easy to install, fit perfectly with your outdoor ambiance, have the capacity to hold your dog and his accessories, and come with various additional options for you to choose from. Insulated dog houses are one of the best types of dog houses out there making them one of the most popular options for dog owners to purchase.