1 Sone = The refrigerator running in your kitchen.Sones are not decibels or volume, but rather how sound is "sensed". The lower the sone value, the more comfortable the listening environment. The higher the number, the greater the amount of air that is exhausted using the Range Hood.Ī sone is a measurement of sound in terms of comfortable hearing level for an average listener. You can find this information on-line, on the carton label, or on signage at retail.ĬFM stands for Cubic Feet per Minute of exhausting air flow. In fact, the cook will enjoy all the benefits of clean, crisp LED lighting and may never have to replace a bulb again! If you desire LED lighting over the cooktop, purchase a Broan range hood that is designed with LEDs. Keep in mind that Broan range hoods designed with LED lighting do not experience any of these issues. For example, “up to 75 watts” does not mean you need to use 75 watts, but that the replacement should be a bulb up to that rating….it will be okay to use a 60 watt. For situations when a range hood is listed for use with a halogen or incandescent bulb “up to” or a “Max” wattage, it is okay to use or replace the bulb with the appropriate type at any wattage below the stated maximum. Sometimes the LED replacement may not go off, staying on at a very low level even when the switch is off. The result can range from lower light levels to flickering lights or even no light at all. Off-the-shelf LED bulbs do not work properly when combined with hoods that have “mechanical” controls (rockers, rotary, pushbutton) with multiple light levels. Current LED replacement bulbs were not necessarily designed to work properly with the type of controls in many range hoods. In some cases, the bulb will not recover even after it cools off and is permanently degraded. Testing has shown the light will become dimmer and some LED bulbs lose up to 50% of stated output. The elevated temperature experienced during cooking will result in a degradation of replacement LED light level. Eventually it will fail, and this may happen in as little as two weeks. This higher temperature will compromise the life of the LED.
During cooking, the air under a range hood can be elevated to 70-80 degrees C. LED replacement bulbs found at retail or on-line typically have an ambient air temperature limit of 45 degrees C or less. The following points relate to replacement situations. However we cannot guarantee the operation of the LED bulbs. Please note that using replacement LED bulbs in Broan does not void the warranty of the range hood. At Broan, we recommend that you use only the type of bulb recommended for your range hood. It is tempting to want to replace the incandescent or halogen bulbs in your range hood with LEDs. Many people enjoy the brilliance and clarity of LED lighting.
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