Yes, the dog is house-trained. It has been taught to go to the bathroom outside and knows to wait until it is let out. The dog understands the rules of the house and follows them consistently. **

A dog house should be equipped for winter by ensuring it is insulated to retain heat, elevated off the ground to prevent moisture from seeping in, and facing away from prevailing winds. Additionally, providing warm bedding such as blankets or straw, and a door flap to keep out drafts will help keep the dog warm during the colder months. It's also important to regularly check and clean the dog house to ensure it remains a comfortable and safe shelter for your pet. **

A dog breed that is suitable for both house and garden is the Labrador Retriever. Labs are known for their friendly and adaptable nature, making them great companions for indoor living while also enjoying outdoor activities in the garden. They are also known for being good with children and other pets, making them a great choice for a family pet. Additionally, Labs are easy to train and have a moderate energy level, making them well-suited for both indoor and outdoor environments. **

The best dog crate for house training puppies is one that is appropriately sized for the puppy, allowing enough room for them to stand up, turn around, and lie down comfortably, but not too much extra space. It should also be durable and easy to clean, with a removable tray for accidents. Additionally, a crate with a divider panel can be helpful for adjusting the size as the puppy grows. Look for a crate with a secure latch and consider one with a cover to create a den-like environment for the puppy. **

There could be several reasons why your dog is not going into the dog house. It's possible that the dog house is too small or uncomfortable for your dog, or it may not feel safe or secure inside. Your dog may also prefer being closer to you or other family members instead of being in the dog house. Additionally, if the dog house is too hot, cold, or lacks proper ventilation, your dog may choose to stay outside instead. **

A dog house should be equipped for the winter by providing proper insulation to keep the interior warm. This can be achieved by adding a layer of insulation material such as straw or blankets. Additionally, the entrance should be covered with a flap or door to prevent cold drafts from entering. It is also important to raise the dog house off the ground to avoid moisture seeping in and to provide a warm, dry bedding for the dog to sleep on. **

The right insulation for a dog house depends on the climate and the specific needs of the dog. In colder climates, it is important to choose insulation that provides good thermal protection, such as foam board insulation or reflective insulation. For warmer climates, insulation that also provides ventilation and moisture control, such as breathable insulation or radiant barrier insulation, may be more suitable. Additionally, it's important to consider the size of the dog house and the dog's coat type when choosing insulation to ensure that it provides the right level of comfort and protection. **

It is unclear from the information provided whether the dog is house-trained at the family's friends' house. The dog's behavior of urinating on the carpet suggests that it may not be fully house-trained in that particular environment. It is possible that the dog is not used to the new surroundings or may be feeling anxious, leading to accidents inside the house. It would be helpful for the family to monitor the dog's behavior and provide additional training or support as needed. **