Table of Contents
To power your range hood, you need at least 100 CFM for every 10,000 BTUs of your stovetop. For example, a 100,000 BTU stove needs at least a 1000 CFM range hood. For electric stoves, multiply the stove width by 10. So, for a 42” electric stove you want a range hood with at least 420 CFM.
How many CFM do I need for a gas range hood?
For gas cooking surfaces or range, a minimum ventilation level of 100 CFM (Cubic Feet per Minute) per 10,000 BTU is recommended. However, the hood must have a minimum of 500 CFM of ventilation power.
Is 450 CFM enough for range hood?
If you have enough room to do something else, move the microwave elsewhere and get a real range hood. Example, 45,000 BTU/hr rated range is adequately served by 450CFM hood.
Is higher or lower CFM better for range hood?
The power or air movement for range hoods is measured in cubic feet per minute (CFM). For example, if your high-output burner output is 45,000 BTU, look for a range hood that provides 450 CFM to best clear the air. However, the higher the CFM, the louder the hood will be.
What CFM do I need?
The rule of thumb is that you need at least 1 CFM per square foot of room area. To determine the square footage of your bathroom, multiply the length times the width. For example, if your bathroom is 6 feet wide and 9 feet long, its square footage is 54. Therefore, it should have a fan rated for at least 54 CFM.
Is 900 CFM enough for range hood?
To vent cooking exhaust from your kitchen efficiently, we recommend a range hood with at least 600 CFM. Keep in mind that there is no ideal range hood CFM, but instead, an appropriate CFM based on your cooking style and habits in the kitchen.
What size range hood do I need for a 30 range?
What size range hood do I need for a 30” cooktop? With a 30” range, a 36 inch range hood is your best choice.
What should I look for when buying a range hood?
7 Factors to Consider Before Buying a Range Hood Size. For hoods that are mounted on the wall, always consider your hood to either be equal to the size of the stove or slightly bigger. Mount. Ventilation. Filters. Power. Noise of the Range Hood Blower. Height.
How do I choose the right range hood?
Select a model at least as wide as the cooking surface underneath. (Island-mount hoods lack a wall or cabinets alongside them to help to funnel fumes, so they should be wider than the cooktop.) These are some range hood features to consider. Manufacturers tout the cubic feet per minute (CFM) of exhausted air.
What is sones rating for range hood?
Sones are used to measure noise, such as fans, which includes kitchen fans, bathroom fans, and those found in your range hood. One sone is equal to about 1,000 Hz with a sound level about 40 decibels above a normal reference level.Defining the Sones Rating. Sones Decibels 2 37.99 3 43.84 4 47.99 5 51.21.
How do I choose an exhaust fan for my kitchen?
Look at the CFM of a fan at the expected maximum air resistance (static pressure). Exhaust fans with a higher CFM need to be more energy efficient. Find the horsepower rating to give you the most energy efficient operation. An underpowered motor will wear out too quickly and requires too frequent maintenance.
What is a good CFM for a fan?
Good CFM ranges from 4,000 to 5,000. Better ranges from 5,000 to 6,000. Best is over 6,000.
Is a range hood really necessary?
Yes. A range hood keeps cooking exhaust, chemicals, and smoke out of your kitchen. It improves your indoor air quality and streamlines your cooking experience.
Is a higher CFM better?
Is a higher CFM better? A higher CFM is always better for your kitchen fan. You can always run a high CFM hood on lower settings. It provides great ventilation by moving a heavy amount of air per minute.
How many CFM is a 4 inch duct?
Reviewing the chart, a 4” pipe will convey 395 CFM at 4500 FPM. This means that a 4” pick-up on a machine will use 395 CFM from the filtering system; or, if you know that a machine will require approximately 400 CFM to remove the waste, you should use a 4” pipe for that purpose.
How many CFM do I need for 600 square feet?
160 CFM Room Size: CFM (At 2 ACH) How many CFM for a 500 sq ft room? 133 CFM How many CFM for a 600 sq ft room? 160 CFM.
How many dB is quiet range hood?
A quiet range hood is about four to five sones, or about 50 dB at max speed. Lower speeds on quiet hoods can get down to just one sone! Most hoods range between seven and nine sones, depending on the quality of the materials and CFM.
Is 300 CFM enough for a gas range?
Ventilation efficiency is measured by how many cubic feet of air the system removes per minute, or CFM. This number should match a stove’s energy output. So a “regular” gas system would need a 300 CFM fan. Electric stoves are low-powered and should need a ventilation output between 150 and 300 CFM.
What size range hood do I need for a 48 range?
For a 48” range, purchase at least a 54” range hood for indoor use and a 60” hood for outdoor use.
Are ventless hoods any good?
Unvented range hoods do filter some grease and cooking odors from the air, but the general consensus is that they’re nowhere near as effective. Nor do they remove heat and humidity, so they won’t help keep your kitchen cool while you cook.
Can you put a 36 inch range hood over a 30 inch stove?
Your hood should be 6 inches larger than your range. You should not put a 30″ hood over a 30″ inch range. A 36″ hood will be just right.
How far should a range hood stick out?
In general, most installations require a distance from 20″ to 24″ between the bottom of the hood and the cooking surface. Over a gas range, this distance should be between 24″ and 30″, unless otherwise specified. For further information, please refer to the installation manual of your model.
