Kitchen Exhaust Hood Dimensions

You should also take into account the size of your kitchen in cubic feet when calculating the size range hood fan needed since a larger kitchen needs more venting to clear the air than a smaller room.

Kitchen exhaust hood dimensions. Read on to determine how to size your exhaust and supply fans. Potential hazardous and polluting applications requires special solutions. Begin by measuring the floor area of your kitchen. This equates to a complete cycling of air every 4 minutes.

For example if you have a stovetop that is 36 inches you might have a hood range with a 42 inch width. On air volume which states exhaust air volumes for hoods shall be of a sufficient level to provide for capture and removal of grease laden cooking vapors. No longer a traditional hood but aesthetics and technology at the service of innovation. Determine the recommended ventilation based on your kitchen s size.

2 5 wide stove x 100 250 cfm minimum range hood fan size. The information presented is applicable to new construction and in many instances retrofit construction. Nfpa 96 simply states in chapter 5 2 hood size hoods shall be sized and configured to provide for the capture and removal of grease laden vapors this coincides with chapter 8 2 2. Install hood vents at least 18 inches above an electric range and 20 inches above a.

Measure the distance from the top of the range to the bottom of the cabinets or the ceiling above the range. Commercial kitchen ventilation system. The hvi also recommends that your range hood should be capable of cycling the air in your kitchen completely 15 times per hour. The standard for larger hood ranges is three inches.

In commercial kitchens oven hoods are often combined with fire suppression devices to ensure that grease fire fumes are put. In general for an exhaust hood to be efficient. Note that not both exhaust fans are required for hood exhaust. Generally speaking you ll need at least 100 cfm for every 12 inches of stovetop.

The capture velocity v1 should not be less than 0 15 0 20 m s 30 40 ft min note. So for 36 inch stovetop you d need a range with a cfm of 300 minimum. This design guide reviews the fundamentals of kitchen exhaust systems and describes the design process from the perspective of exhaust hood application. The height y should not exceed 1 20 m 4 ft the distance x should not be less than 1 3 y.