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7 Considerations for Choosing a Range Hood | AHS

Author: Monica

Sep. 08, 2025

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7 Considerations for Choosing a Range Hood | AHS

1. The Exhaust System 

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ducted exhaust system, also sometimes called a vented system, uses ducts to channel air away and out of the home. “Out” being the key word here. In other words, you can’t vent into another interior space of your home such as an attic. If you have a ducted system, you can probably already guess that it’s best to mount your kitchen hood to an exterior wall. That way, the ducting is shorter and more efficient. The further away you get from an exterior wall, the more complicated and more expensive the ducting and hood installation will be.

With a duct-free exhaust system or non-vented system, the air is filtered, cleaned and then returned to the kitchen rather than being directed outside. As you might imagine, these systems are generally less efficient than ducted systems, and they require more maintenance with regular cleaning and filer replacement. So it’s good to know up front what you can expect.

2. Your Kitchen Layout

Your kitchen layout will determine how much space you have to work with and how best to fit your oven hood into place. A good rule of thumb is to aim to mount the hood between 24-30 inches above the cooktop, but always read the manufacturer’s recommendations to be sure.

Depending on the configuration kitchen vent hoods can be mounted on a wall, incorporated into your cabinets, made part of an overhead canopy or suspended from the ceiling over island cooktops. There are even telescoping chimney hoods that can be expanded when in use or retracted and hidden out of the way when they’re not needed. Another clever, space-saving option is a downdraft kitchen hood. It’s designed to come up from a special slot in the work surface and conveniently stow away when the cooktop’s not in use.   

3. Fan Power

The size of the space will dictate how powerful the exhaust hood fan needs to be to clear the air and help prevent strong cooking odors. To determine what your needs are, multiply the kitchen ceiling height by the length and width of the room. This will give you the volume of your kitchen. 

Kitchen Ceiling Height X Width of the Room = Volume of the Kitchen

Ideally, you should choose a range hood that is capable of replacing or cleaning the air in that space no less than eight times every hour.

4. Calculate Kitchen Hood Energy

You can work out how much air a kitchen hood can extract per hour with a little simple math and the fan’s CFM is a measurement of fan power and stands for “Cubic feet per minute.” For example, an exhaust hood fan with a1,000 CFM can remove all of the air from an area that is 10ft x 10ft x 10ft in one minute. To determine how much air a particular hood can replace per hour, simply multiply that CFM by 60 (the minutes in one hour).

What to Know Before Picking Out a Range Hood - Tilghman Builders

There’s nothing worse than clouding up your kitchen with exhaust fumes, smoke, or the lingering smell of like last night’s chicken. You open the windows, turn on the ceiling fan, the microwave fan, and still, your smoke alarm keeps going off. 

Whether you are building out your high-end kitchen or updating your space to be more home-chef friendly, here's our guide to one of the most talked-about appliances: the range hood.

Are Range Hoods Still Functional?

Over-the-range hoods started as a kitchen function, and have now crossed over to be an eye-catching design piece. Modernizing your kitchen with clean, shiny new details also serve a great purpose. Other styles are built to look like a wooden mantle. Regardless of the hood you buy, you can work with a design-build firm to help build your hood into the style of your kitchen. 

All in all, even though range hoods are known to improve the aesthetic of your kitchen, they are still a functional appliance that is proven to remove smoke and fumes from your cooking area. But why can’t you just use a microwave fan? Do you really need to invest in a range hood? Here is a look into the difference between the range hood and microwave fan.

Range Hood vs. Microwave Fan

You may already have a substantial, stainless heavy-duty microwave with a fan, but many microwaves just recycle the air into your home. You need a system that pulls the air out of your kitchen completely. 

With competitive price and timely delivery, Colvoke sincerely hope to be your supplier and partner.

Hoods have been tested and excel when it comes to removing smoke and fumes, as well as exchanging exhaust air for clean air. They are notably quieter than your microwave fan and do a better job focusing on even cooking since the fan actually covers your entire stove.

What is the Best Type of Range Hood?

Well, there are a few things to consider when choosing the right range hood for your kitchen. Depending on your kitchen layout, there are several types that could be a good fit for your home: under cabinet hoods, chimney hoods, and island hoods.

Under Cabinet Hoods

These hoods are mounted underneath the bottom of a wall cabinet. If the hood is on an exterior wall, ductwork can be routed up through the cabinet to the outside, or for some models, directly through the back of the hood. Otherwise, ductwork must be routed through the cabinet to a chase, soffit or ceiling. Typical kitchen cabinets extend only about halfway across the stove, so this extension routes steam and smoke away from cabinet faces and back toward the suction end of the range hood - protecting your cabinet finishes and paint from heat and water damage.

Chimney Hoods

Chimney hoods work where there are no cabinets over the range and mount with exposed vent stacks on the wall to vent to the outside. They are aptly named because they look like stainless steel chimneys. With a wide base and narrow duct, chimney hoods provide great ventilation in kitchens of all sizes. These offer a fresh, clean look to your kitchen and are very efficient. Chimney hoods can be purchased in a range of designs, functionalities (including vent speeds, lighting and more) and price ranges to fit your needs.

Island Hoods

These are mounted to and vented through ductwork in the ceiling. They don't need to be supported by a wall or cabinets alongside them to help funnel fumes. Because they aren't restricted, island hoods can be wider than the cooking surface, offering a wide range of ventilation.

The layout of your kitchen largely dictates the type of range hood you can use. To choose the right size range hood, make sure that any model you consider is at least as wide as the cooking surface it goes above!

Things to Note When Choosing the Right Range Hood

  • Ventilation

Using the hood to vent your fumes, smoke and steam to the outside is the best overall plan for preserving the look and smell of your kitchen. Vent outdoors, if possible, using the largest-size solid, smooth-walled metal ducting that fits. Keep duct runs short and minimize bends to maximize airflow. A wall or roof cap outside the house prevents backdrafts.

  • Size

For once, don't downsize; this is one time when bigger often is better. Any hood you consider should be at least as wide as the cooking surface it will be installed above.

  • Installation

Install it properly! Make sure your range hood is installed according to the manufacturer's directions. Typically installation should be 18 to 30 inches above the burners or elements. This allows for room to work while helping to prevent steam from escaping to the sides.

  • Cleanability

If you are an avid home chef, or you love to make things with oil, make sure you consider how easy the hood and its filters are to clean. Wash or replace the filters every one to three months, or more often if you cook frequently.

Special Vent Hood Features to Look For

  • Airflow

Not all hoods are created equal. From moderate to high-powered, look into what you need for the size of your space and the types of food you make and what you are willing to pay for.

  • Number of Fan Speeds

Most range hoods offer from three to six fan speeds. We recommend a minimum of two speeds: a high-speed setting to use when cooking and a very low and very quiet setting to use after cooking to continue to ventilate the space while eating.

  • Exhaust Timer

This convenient feature turns off the fan after a set period of time so you can rest easy after dinner, knowing your kitchen is being cleaned but won't run all night.

Wondering How to Choose Other Kitchen Materials?

If you are prepping for your next kitchen remodel, you may start selecting materials soon to help you with the project. Check out our blog Beautiful and Durable Materials for Your Custom Kitchen Remodel to see what materials you need to add to your kitchen materials list!

For more information on how Tilghman Builders can help you achieve your dream home, contact us today! We have proudly been serving families throughout Bucks County, PA and Montgomery County, PA and would love to hear about your ideas!

This blog was originally published on November 26, and updated on February 8, for accuracy.

Contact us to discuss your requirements of Range Hood Supplier. Our experienced sales team can help you identify the options that best suit your needs.

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