A buffet warmer is a kitchen appliance designed to keep food at a safe and desirable temperature during serving. It typically uses heat sources like electric heating elements or hot water to maintain warmth, ensuring that dishes remain appetizing for guests. Buffet warmers are commonly used in settings such as restaurants, catering events, and family gatherings. These devices come in various styles, including chafing dishes and countertop models, and can accommodate different types of food. Many buffet warmers are equipped with lids to retain heat and prevent contamination, making them essential for maintaining food quality in catering and hospitality industries.