The Panasonic FV-0511VHL1 WhisperWarm DC Ceiling Exhaust Fan provides efficient ventilation, a powerful 1600W Positive Temperature Coefficient (PTC) heater for instant warmth, and an integrated LED light (10W dimmable, 3000K, 750 lumens) with a separate less than 1W LED night light. It features Pick-A-Flow technology for selecting 50, 80, or 110 CFM airflow and a high-performance ECM motor with SmartFlow Technology to maintain optimal airflow under static pressure. Designed for easy room-side installation from below the ceiling using the Flex-Z Fast bracket, it fits in 2" x 8" construction. The unit has a durable aluminum housing and a white Poly Pro grille. It is UL listed, HVI certified, and can be used to comply with various building codes including ASHRAE 62.2 and California Title 24 (JA-8 compliant). A minimum 20 Amp dedicated circuit is required for operation