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Is Higher CFM Better for a Range Hood?

Is Higher CFM Better for a Range Hood? - Proline Range Hoods

CFM (Cubic feet per minute) is an important measurement for range hoods as it tells you how much air the fan can move in a minute. Generally higher CFM is better as it means the range hood is more powerful and can remove smoke, steam and odors better. But there are downsides as well.

When is it better to choose higher CFM (cubic feet per minute) for a range hood?

Benefits of Higher CFM

  1. Better Ventilation: Higher CFM range hood provides better ventilation, removes smoke, odors and grease from the kitchen. This is especially useful if you have a gas stove as it helps in removing fumes and other cooking byproducts.

  2. Versatility: Higher CFM range hoods can run at lower speeds, gives you flexibility in operation. You can use the higher capacity when needed, like during heavy cooking and reduce it when less ventilation is required.

  3. Cooking Habits: If you cook with high heat or prepare meals that produces a lot of smoke and odors, higher CFM range hood will be more effective in maintaining good indoor air quality.

Check out our 1200 CFM range hoods here!

Downsides of Higher CFM

  1. Noise: Higher CFM range hoods are noisier because of the more powerful fans needed to move more air. This can be mitigated by choosing models with variable speed controls or advanced design features that reduces noise.

  2. Energy Consumption: More powerful range hoods consume more energy which can lead to higher utility bills. You need to balance the need for high CFM with energy efficiency.

  3. Air Balance: High CFM range hoods can remove a lot of air from the kitchen and can create a vacuum effect. This might require the installation of a make-up air system to replace the air being exhausted which can add to the complexity and cost of the installation.

  4. Cost and Maintenance: Higher CFM models are more expensive and may require more maintenance due to its complexity and the wear and tear of the more powerful components.

Consider the following when choosing a range hood:

Cooking style

If you cook a lot of fatty, spicy, fried or Asian foods that generates a lot of heat and aromas, higher CFM is ideal. It’s also good if you have a powerful cooktop like dual gas range.

Kitchen size

The size of your kitchen is also a factor to consider, you generally need 100 CFM for every foot of your range’s width. For example if you have 30 inch electric stove, you’ll need a fan with at least 300 CFM.

Energy efficiency

A range hood with too high CFM can be less energy efficient and noisier than a lower CFM model. It may not be necessary for smaller kitchens or infrequent cooking.

Ducting and ventilation

Higher CFM models may not be effective if your kitchen doesn’t already have proper ducting and ventilation preinstalled... or if you aren't planning on installing it.

 

So...

While higher CFM range hood generally provides better ventilation and versatility, you need to match the CFM to your specific kitchen needs, size, cooking habits and type of stove you use.

Over-sizing a range hood can lead to unnecessary noise, energy consumption and maintenance cost.

So you need to find a balance that provides enough ventilation without exceeding what you need for your situation.

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