MANUFACTURERS RECOMMENDED CFM AIRFLOW INSTALL
Consult a licensed professional or contractor to determine the CFH and BTUs capacity of your gas line before you install additional gas appliances. Depending on the pressure of your natural gas line, you may be able to hook up more gas appliances. Note that this is simply an approximation. This is the max number of BTUs your gas line can handle.įor example, if your gas line is 200 CFH, then you can hook up gas appliances that add up to 200*1,024 = 204,800 BTUs. Your gas appliances, if they are able to, can use up to this amount of BTUs in total. So, to determine the capacity of your gas line in BTUs, multiply the CFH by 1,024. While this may seem low, one cubic foot per hour of gas supplies approximately 1,024 BTUs for your gas appliances in the home. Your typical residential gas line will measure approximately a few hundred cubic feet per hour (CFH).
MANUFACTURERS RECOMMENDED CFM AIRFLOW CODE
Gas lines must adhere to strict code requirements and safety regulations to ensure safety for all residents. This rating tends to be quite low, especially in residential applications because gas is being moved, not air. Gas lines are a good example of equipment that is measured in cubic feet per hour. This will be a much larger number by comparison to a CFM reading: 60 times larger, to be exact since there are 60 minutes in one hour. Range hoods are measured in CFM (cubic feet per minute), but sometimes you’ll see equipment measured in cubic feet per hour or CFH.
If you have space, over six inches is recommended for your kitchen fan. We suggest buying a hood that is six inches larger than the cooktop.
Over a larger range, coverage is even more important. But, you need to make sure you have enough space on your wall or under the cabinets. The larger the kitchen range, the more air your hood should move. This way, it will last much longer in your kitchen. With a high powered hood, you can run it at lower speeds all the time. These hoods are not as versatile because the lower speeds lack power. Keep in mind that not all manufacturers sell 2000 CFM hoods. But these fans are not designed for your home. Residential kitchen fans produce up to 2000 CFM while commercial hoods produce thousands of CFM. The larger the room, the higher the volume of air you need for your fan. If you cook often or enjoy Asian cooking, a high powered fan is essential to keep grease out of your kitchen exhaust system.Īlso, depending on your room size, a higher CFM may be necessary. It provides great ventilation by moving a heavy amount of air per minute. You can always run a high CFM hood on lower settings. Is a higher CFM better?Ī higher CFM is always better for your kitchen fan. It is also sufficient for outdoor hoods over grills. A 1200 CFM fan can vent heavy grease and dirt through your exhaust system. With an average size range, a 600 CFM hood typically won’t leave you wanting more, as long as you avoid intense high-heat cooking or foods with strong smells.įor avid cooks, or cooks with larger ranges, 900 CFM is a better option than 600 – and 1200 CFM is even better. What is a good CFM for a range hood?Ī good CFM measurement for a range hood is 600 or more. Also, you can consistently run your hood on the lower settings to preserve the life of the motor.įor more information on range hood CFM for electric vs. With a higher CFM hood, you’ll always have a powerful max setting available in case of an emergency. They typically last longer, give you with more flexibility, and meet customer expectations better than underpowered hoods. We encourage our customers to buy range hoods with a higher air flow. Like gas ranges, this is just the lower end.
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