Compact fluorescent lighting: A uniformly lit surface and energy savings with two compact fluorescent bulbs. These 13-watt bulbs can last up to 10,000 hours, five times longer than regular light bulbs. Silence: The motors are enveloped in acoustic insulation. This means that the noise level of the QDE Series Range Hood is less than 1 Sone at normal speed. Efficiency and performance: Broan ensures that all its range hoods are HVI certified and perform exceptionally well. HVI certification is your guarantee that the air flow (CFM) and noise level (Sone) of our ventilation products were measured during rigorous testing carried out in an independent laboratory. Cleaning: * Full-size filters are also dishwasher-safe. * Fully enclosed design prevents greasy build-up in hard to reach areas. * The blower wheel is easy to remove without tools and is dishwasher-safe. Warranty You can cook to your heart’s content with the Broan full-year warranty. This Broan series, which has received HVI (Home Ventilating Institute) certification and supports requirements for Green Building Programs from USGBC® LEED®, NAHB and ENERGY STAR®, is our first to be ENERGY STAR® qualified. The QDE Series offers a total lifetime energy savings of 564 kWh over comparable standard models.