Outdoor sofas can indeed be used in a heated patio, provided they are designed to withstand varying temperatures and humidity levels. High-quality, weather-resistant materials like teak, aluminum, or synthetic wicker are ideal, as they resist warping, fading, and moisture damage. Cushions made from quick-dry foam and UV-resistant fabrics ensure longevity. For added protection, consider covers or storing cushions during extreme weather. A heated patio offers year-round usability, but ensure proper ventilation to prevent moisture buildup. With the right furniture, your heated patio can become a cozy, stylish retreat in any season.