There is no definitive answer to this question as it depends on a number of factors including climate, location and personal preference. In general, however, most people agree that the best direction for a house to face is south. This is because the south-facing side of a house receives the most direct sunlight during the day, which can help to keep the home warm in winter and cool in summer. Additionally, a south-facing home will also have good solar exposure for any solar panels that you may want to install.
Of course, there are also some drawbacks to having a south-facing house. For example, in countries with hot climates, a south-facing home can become uncomfortably warm during the day. It is also worth noting that south-facing homes are more likely to be burglarized than those facing other directions, as criminals tend to target houses that are well lit by the sun.