Is A Venting Hob The Best Option For A Kitchen Island?
Are you currently looking at getting your kitchen remodelled and are considering putting the hob (cooktop) on the island? It can be a great social cooking experience looking into the room while cooking.
But what about that big bulky cooker hood hanging down from the ceiling? Well, you can forget about that now, enter the venting hob!
In this post, I’ll explain what a venting hob is, look at whether it’s a good option for your kitchen island and answer some common questions about the topic.
Let’s get into it!
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What Is A Venting Hob?
A venting hob is a ceramic, induction or gas hob with an integrated extractor fan in the centre of the hob. It functions as two appliances in one and is most commonly used on kitchen islands where other forms of extraction are not possible or desirable.
Sometimes called hobs with built-in or integrated extractors, venting hobs are relatively new to the kitchen market.
They have been designed to offer an alternative option to the traditional cooker hood and extraction methods, especially when hobs are located on a kitchen island.
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Is A Venting Hob The Best Idea For A Kitchen Island?
Having a venting hob may not be necessary for most, but for some, it is the solution to the question they have been trying to figure out.
If this scenario sounds familiar, maybe you should consider a venting hob.
You have decided that you want your hob on the island, it’s more social to face the kitchen and family when you’re cooking, and you don’t want the sink and all the dirty dishes cluttering up the island.
You want a cooker hood to get rid of smells and grease but you don’t have a wall to put it on. What do you do?
You could have a big island chimney hood coming down from the ceiling, but that will block your view and the flow of the kitchen, plus someone’s going to bang their head on it.
Maybe a ceiling hood?
They can be very expensive and how effective are they all the way up there, plus you might not have space in the ceiling to fit one.
You could go for a separate downdraft hood, again they can be expensive and it’s another thing on your lovely clean kitchen island.
The answer? Have the cooker hood built into the hob itself and get a venting hob. 👍
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Pros Of having a venting hob on a kitchen island
- Space Efficiency and Sleek Design: Combines two appliances into one, offering a compact solution that enhances the kitchen’s aesthetics. The sleek, modern design adds a distinct cool factor and can be a focal point in your kitchen. (I try to remain objective, but they are quite cool 😎 )
- Improved Kitchen Layout Flexibility: Provides the freedom to place the cooktop anywhere in the kitchen, ideal for islands or unconventional kitchen layouts where traditional hoods might not be feasible.
- Eliminates Common Issues with Traditional Hoods: Overcomes problems associated with standard cooker hoods on kitchen islands, such as obstructed views or awkward placement.
- Enhanced Social Interaction: Facilitates facing guests or family members while cooking, promoting a more interactive and engaging cooking experience.
Cons of having a venting hob on a kitchen island
- Limited Variety and Evolving Market: Although the range of available models is expanding, options are currently more limited compared to traditional hoods and cooktops.
- Cabinet Space Utilization: Requires sacrificing some cabinet space underneath the island for the integrated extraction system.
- Cooking Zone Limitations: Typically limited to four cooking zones, which may not be sufficient for those who need more cooking space or have larger families.
- Cost Considerations: They can be a significant investment, as it combines two appliances into one. While it may seem pricey, it’s important to consider the dual functionality and space-saving aspects.
- Extraction Efficiency: Might not be as effective as dedicated overhead extractors, like chimney hoods, in removing all cooking fumes and odours, especially for high-heat or intensive cooking.
How Do Venting Hobs Work?
Venting hobs take a ceramic, induction or gas hob and place a downdraft extractor in the centre of the hob itself, rather than a separate extractor or cooker hood behind or above the unit.
The extractor in the hob then sucks in any grease or steam created from cooking and pulls it down into the centre of the hob and away from your kitchen space.
Inside this central extractor are metal grease filters to help catch as much grease from going through the ventilation system as well as a small water and condensation collection unit.
In addition to the collection unit, there is normally a secondary safety tank that acts as an overflow system if you accidentally spill any liquid or food into the extractor while cooking which is more than the first collection unit can hold.
You can access this overflow tank from underneath the hob and simply unscrew it to remove and dispose of any liquid that has been caught. These tanks are typically around 2L in size.
All the tanks, units and grease filters can be removed and washed or put in the dishwasher (always check) to clean from time to time.
There are two ways to install a venting hob, vented out or recirculating.
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Are venting hob extractors Vented Out or Recirculating?
When it comes to installing your venting hob or any cooker hood for that matter, you have two options for what it’s going to do with the steam and grease that it sucks up.
Depending on your project you may or may not have a choice, but these are the options.
Venting Hob Vented Extraction
Vented extraction is when you can connect a duct or pipe from the appliance (in this case the venting hob, but most commonly a cooker hood) and run this ducting to an outside wall of your house.
You will then normally place a small grill in the brickwork of the external wall to allow the air that is sucked up by the extractor to then be expelled outside.
With a typical wall-mounted cooker hood, this is usually a duct that comes up from the appliance and runs along the top of the wall cabinets to an exterior wall and then through the wall to the outside.
This allows the air sucked up from your cooking to get completely removed from inside your house, so all the grease and smells get thrown outside and away.
Depending on what type of cooker hood/extraction unit you have and where it is located will determine if it’s possible to be vented out and if so, what the most effective route would be.
For example; if you’re having a venting hob or downdraft extractor you may need to place the ducting in the floor.
Venting Hob Recirculating Extraction
Recirculating extraction is the alternative if for whatever reason you cannot vent out your extraction.
Recirculating as the name suggests recirculates the air inside your kitchen. All the grease, steam and smells that get sucked up by the extractor are drawn through carbon filters.
These filters then do their best to remove as much of the smells and dirt particles as the air passes through them. Once the air passes through these carbon filters it is then released back into the room.
In the case of a venting hob, this is usually through a small grill in your plinths (kickboards) or the back of an island. In the case of a more common wall cooker hood, the air is blown out of the top of the appliance itself.
Make sure you install the carbon filters if you are going with the recirculating option, otherwise, there will be no benefit at all.
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What Happens If You Spill Something Into A Venting Hob?
Nothing, so no need to panic.
Anything that gets spilt into the centre of a venting hob and into the extractor part will simply collect in a chamber where the grease filters live.
This is usually around 200ml in size so can hold the odd spill of water or pea that escapes. If you completely trip over and pour a pan of water down there, don’t worry it’s got you covered.
There is a secondary overflow chamber that can hold usually around 2L. The motors and electronics are safely positioned out of the way of these areas.
How Do You Clean The Inside Of A Venting Hob?
You can pull out the parts that need cleaning in a venting hob quite easily.
Usually, you can just lift up the centre part and remove the grease filters and drip collector, you can also remove the larger overflow collector from underneath the hob usually by just unscrewing it.
These are the internal sections that need cleaning every now and then.
Now, you don’t need to wash these every time you use the hob unless you spill pasta sauce right down into it, you should definitely give it a good clean, but once in a while, it’s good to at least give the grease filters a clean.
You can wash these parts by hand or most often you can also put them in the dishwasher, but always double-check they are dishwasher safe.
Do You Need Carbon Filters For A Venting Hob?
If you are having the venting hob installed using the recirculating extraction system, then yes.
You should always install carbon filters when your cooker hood is recirculating the air and not venting it outside.
Depending on how much you use the extractor and your cooking style, these carbon filters should be replaced every 6 months or so.
If installed using the vented extraction system you do not need carbon filters. Just wash the grease filters every now and then to keep them performing at their best.
There you have it! So, is a venting hob the best option for a kitchen island?
With more and more people trying to achieve that sleek open look, I think we will be seeing the venting hob appear in kitchens much more in the future.
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Michael is a kitchen designer from the UK. He's been designing and project managing new kitchen installations for over 10 years. Before that, he was an electrician and part of a team that fitted kitchens. He created Kitchinsider in early 2019 to help give people advice when it comes to getting a new kitchen.