What facilities are mandated as required for a home?

The correct answer encompasses all of the facilities mandated for a home, ensuring that a manufactured home meets safety and living standards. Each facility plays a vital role in providing safety, comfort, and habitability for residents.

Electricity and plumbing are fundamental for the daily functionality of a home, allowing for basic needs such as lighting, cooking, and sanitation. Exterior walls and a roof are essential for providing structural integrity, protection from the elements, and ensuring privacy and security for residents. Smoke detectors are critical safety devices that alert occupants to fire hazards, while a heating facility ensures that the home can maintain a safe and comfortable temperature, particularly in colder climates.

Together, these aspects highlight the comprehensive approach to home safety and livability required by regulations, which is why the answer includes all of the mentioned facilities as necessary for a home. This holistic view acknowledges that a well-functioning home must address both fundamental utilities and safety measures.