To determine a house's direction and orientation, use a compass to identify north. Check the roof slope and solar panel angle if applicable. Observe natural features like trees or sunlight patterns. For precise results, use digital tools or hire a surveyor.

Determining a house's direction and orientation is critical for energy efficiency, natural light optimization, and architectural design. A north-facing home typically receives consistent morning sunlight, reducing heating costs, while south-facing orientations maximize passive solar gain. The U.S. Department of Energy (DOE) reports that south-facing windows can increase heating efficiency by up to 30% and cooling costs by 20%. Solar panel efficiency also correlates with orientation; panels angled toward the south achieve 10–25% higher energy output. Additionally, the National Association of Home Builders (NAHB) notes that properly oriented homes save 15–30% on annual energy bills. Orientation impacts natural light distribution, with north-facing rooms being darker but more stable in temperature. South-facing spaces receive more direct sunlight, enhancing comfort in moderate climates. Data from the DOE’s 2020 study confirms that homes aligned with cardinal directions reduce energy consumption by 12–18% compared to misoriented structures. Proper orientation also aligns with LEED certification standards, which prioritize site planning and resource efficiency. In summary, accurate direction assessment ensures cost savings, environmental sustainability, and improved indoor comfort.