Panasonic Bathroom Ventilation Exhaust Fans Not sure which fan you need? Call the Ventilation experts at 888-875-WAVE or Click here to use the Panasonic Fan Selection Tool. FREE SHIPPING over $129! Some of our competitors charge up to $40.00 for shipping. WhisperWarm exhaust vent fans with a heater are available with and without a light. Both models feature dual totally a enclosed AC condenser motors for long-life, quiet operation and energy efficiency. A durable 1400-Watt steal sheathed heating element provides a quick warm up time.