Cooking releases fine particles and gases even when you do not see visible smoke. A 2022 Stanford study of 53 homes found significant pollutant spikes during typical cooking, which maps closely to Kampala apartments and enclosed kitchens where ventilation is limited. If you get cooker hood measurements in Uganda right, you capture more smoke and odors at the source and keep grease off cabinets. Measurements here mean three things: the hood’s width compared to your stove, the mounting height above the cooktop, and the installation space for depth, ducting, and power. All sizes below include metric and inch conversions so you can compare EU and US‑listed specs easily. Start by noting three numbers: your stove width, your ceiling height above the stove, and the distance to the nearest outside wall.
Cooker Hood Measurements in Uganda: What to Check and Why It Matters
A 2022 Stanford study across 53 occupied homes showed everyday cooking elevates indoor pollutants that spread quickly without good capture. In a Kampala context, where many kitchens have small windows or open only to corridors, the fix is not guesswork. It is matching the hood to your stove width, setting a safe and effective mounting height, and planning enough space for the canopy and a workable duct path. Those three checks decide whether steam and frying smells get caught at the hood or drift into bedrooms. Take a tape measure today and record the stove width edge to edge, the ceiling height above the cooktop, and the straight‑line distance to the nearest exterior wall so you can plan ducting without surprises.
The 3-Measurement Framework: Width, Height, Space
A 2012 Lawrence Berkeley National Laboratory test of 11 hoods found capture efficiency climbed when the hood matched or exceeded the cooktop size and was mounted at the correct height. Your controllables are simple. Width in centimeters or inches should at least equal the stove. Mounting height should sit within the band the manufacturer specifies for your fuel type. Space means the hood’s depth covers front burners, cabinets leave room for the canopy and chimney, and the duct diameter and route do not choke airflow. The move that works is sizing the canopy so it actually shelters the front pots and keeping the height within the manual’s range. A quick sketch of your cooking wall, noting width, target height, and a proposed duct route, prevents most installation-day surprises. If you want a primer on function before sizing, read a short explainer on what extractor hoods do and how they clear pollutants.
Hood Width: Match Your Stove for Better Capture
LBNL’s 2012 lab work showed hoods that are equal to or wider than the cooktop capture more fumes, especially from the front burners. Translate that to a buying rule: a 60 cm (24 in) stove needs a 60 cm hood at minimum, and if you fry fish often, a slight overhang improves capture. In Uganda, 60 cm and 90 cm stoves are the most common, with some 70, 80, and 100 cm units in larger homes and small commercial spaces. Many global listings use 24 in and 36 in as reference widths, and inserts and under‑cabinet models often follow these same families. Reputable retail guidance also states the hood should be at least as wide as the cooking surface and can be slightly wider to improve capture. Measure your cooktop edge to edge and set that number as your non‑negotiable minimum. If you are on the fence about going wider, use a simple rule: step up one size if you deep fry or sear weekly and have the wall space. For a deeper look at avoiding undersizing, see a short guide on how wide to go for your stove.
60 cm vs 90 cm vs larger: which size fits Ugandan kitchens
Logue et al. 2012, a Lawrence Berkeley review across 32 studies, found frying and searing drive the highest indoor pollutant peaks and therefore need stronger capture. In practice, that means a 90 cm canopy often outperforms a 60 cm unit above the same cooker when space allows, because it better covers front burners and rising plumes. Compact rentals and under‑cabinet retrofits favor 60 cm units. Family kitchens, open‑plan living areas, and frequent-frying households benefit from 90 cm. Large cookers in restaurants, cafés, and hostels, or two hobs side by side, make 100 cm and longer canopies reasonable. Before ordering, stand at the stove and imagine a 90 cm outline. If it collides with a cabinet door or blocks a switch, you may need a slimmer body or a built‑in liner at the same width. A strip of masking tape cut to 90 cm taped on the wall helps you judge visual fit in minutes.
Hood type and width: under-cabinet, wall-mount, built-in, island
In the same 2012 LBNL experiments, shallow, short‑depth hoods performed poorly compared to deeper canopies that actually reach over the front burners. That should guide type and width together. Under‑cabinet hoods and built‑in liners need to be as wide as the stove and deep enough so the leading edge sits over the front pots, not behind them. Wall‑mount chimney hoods have fewer cabinet constraints, so size them to the stove or one step up if you cook hot and fast. Island hoods lose the “wall effect” that helps corral smoke, so they often need extra width or depth to catch plumes mid‑air. Decide the mounting type based on your layout, then match width to the cooking surface instead of compromising for a slim look that misses fumes. If your plan involves a ceiling install, these notes on island setups will help you check canopy size and chimney reach.
Mounting Height: Set the Sweet Spot Above Gas or Electric
LBNL’s 2012 tests also showed that raising a hood too high sharply cuts capture efficiency, while mounting very low can be unsafe and noisier because the fan sits in the heat. Follow the manual, but the simplest version that works is about 50 to 65 cm (20 to 26 in) above electric cooktops and 65 to 75 cm (26 to 30 in) above gas, unless the model specifies otherwise. Closer improves capture by shrinking the gap plumes escape through. Too close risks damaged electronics, discolored panels, and head bumps. Measure from the top of the grate or glass, not from the benchtop if your burners sit higher on stands or tile risers. Before drilling, hold a cardboard strip at roughly 65 cm above the burners to check sightlines and head clearance, then compare that position with the product’s minimum and maximum heights to confirm you are inside spec.
Cabinet depth, tall ceilings, and Kampala apartments
Field research commissioned by the California Energy Commission across more than 100 homes documented practical placement issues, including shallow upper cabinets that force smaller hoods and limited ceiling drops that complicate duct runs. In Kampala apartments you often face a similar squeeze: 30 to 35 cm (12 to 14 in) cabinet depths that do not cover front burners, or tall concrete ceilings that need a chimney extension kit to reach. A deep hood or a built‑in liner set into the cabinet bottom can project the canopy forward enough to shelter front pots. Where a low beam crosses the cook zone, you might drop the hood slightly within the manual’s range or switch to a recirculating setup if exterior venting is banned. Measure cabinet depth and make sure the hood’s depth extends past the midpoint of the front burners by a few centimeters. If your ceiling is above 2.8 m, check the product page for a matching chimney extension before purchase so you do not stall at installation.
Installation Space and Ducting Path: Make Room for Air to Move
The 2012 LBNL work also highlighted how cross‑drafts and tortuous duct paths reduce real‑world capture even with strong motors. Air needs an easy exit. Plan for a short, straight duct using smooth 150 mm (6 in) round pipe where possible, with the fewest elbows you can manage. Every 90 degree bend adds resistance. Flexible foil hose kinks, collects grease, and gets loud. In Uganda, count on core drilling for brick or block walls, coordinate with management if you live in a shared block where façade penetrations are restricted, and confirm a conveniently placed socket or spur behind the chimney. If you cannot avoid one bend, keep it gentle and enlarge the duct to preserve flow. As you map the route to the nearest exterior wall or the roof, mark the expected hole position and check for beams and balconies before you place the order. Retail FAQs consistently recommend ducted range hoods for maximum performance and cooler kitchens.
When to choose recirculating (charcoal) filters in rentals
Logue et al.’s 2012 review across 32 studies found that ductless, recirculating hoods reduce grease and odors but do not remove moisture or combustion gases as effectively as vented systems. That makes them a fallback when you cannot vent outside, common in rentals or apartments that forbid exterior vents. Expect to swap charcoal filters roughly every 3 to 6 months if you fry often, and wash the metal grease filter monthly. Before you buy, check the filter size and replacement price for your specific model, and confirm Kampala availability so you do not end up with a hood you cannot maintain. If you want a quick buyer’s overview of cartridge types and lifespans, skim local notes on charcoal filter options for recirculating hoods.
Airflow and Noise: Match m³/hr to Kitchen Size without Waking the House
Delp and Singer’s 2012 LBNL testing showed that higher airflow improves capture, yet noise at top speed discourages routine use if you have to shout over the fan. Aim for airflow that fits your room and cooking style, then use low speeds for simmering and a boost for frying. For Uganda‑typical room sizes, small kitchens up to about 10 m² often need around 150 to 350 m³/hr, 11 to 20 m² need roughly 350 to 650 m³/hr, and 25 m² and larger benefit from 750 to 1,200 m³/hr. Credible manufacturer guidance presents similar airflow ranges. Island setups and frequent searing justify the upper bands. Many catalogs quote sones or dB. Quieter systems move the same air through larger ducts at lower fan RPM. Pick a hood that reaches your target airflow at medium, not only on maximum, so everyday noise stays acceptable. To set your target, measure your kitchen length by width to get floor area, then match it to the range above. If you also want a quick way to square airflow with your burner use, this explainer on picking the right suction level gives practical numbers.
Uganda Buying Notes: Delivery, Installation After Delivery, and Service
The 2016 Uganda Demographic and Health Survey, based on more than 18,000 households, confirms heavy reliance on solid fuels and the clear need for effective kitchen ventilation. The takeaway for buyers is simple. Choose brands with Kampala‑based installation and parts support, long motor warranties, and easy filter availability. Confirm whether cash on delivery is available and what the installation lead time looks like, especially if core drilling is required. Ask for a final quote that lists the hood, ducting kit, wall cap, any chimney extension, and the labor for wall coring so there are no hidden add‑ons on delivery day. If you are budgeting and comparing options, a short overview of pricing in Uganda helps you see what affects cost beyond the sticker price.
Common Sizing Mistakes in Uganda Kitchens (and the Fix)
LBNL’s 2012 measurements repeatedly showed undersized and over‑high hoods miss front‑burner plumes, which are the hottest and dirtiest. The most common errors in local installs are picking a hood narrower than the stove, mounting above 75 cm (30 in), fitting a 100 mm (4 in) duct to a high‑flow hood, adding too many elbows, and assuming a recirculating setup will remove steam like a ducted system. The fix is mostly measurement discipline. Size the canopy to at least the cooktop width, stay within the manufacturer’s mounting band, plan a 150 mm (6 in) duct where the hood’s airflow warrants it, and minimize bends. If you already installed and capture is weak, change one bottleneck. Swap a 100 mm run for 150 mm where possible, or remove one tight elbow. To align your installer before drilling, take a photo of your cooking wall, draw the intended hood outline and height on it, and agree on the final position together. For open‑plan spaces, this guide to cooker hoods in open kitchens outlines extra capture and placement checks that prevent smoky living areas.
Quick Measurement Worksheet (printable)
Stanford’s 2022 multi‑home data on pollutant spikes from everyday cooking is a reminder that good ventilation starts with a tape measure, not a catalog page. Use this one‑page list to collect the numbers you will actually use at the shop:
- Stove width: ____ cm (____ in)
- Target hood width: ____ cm (____ in)
- Mounting height above electric: ____ cm (____ in)
- Mounting height above gas: ____ cm (____ in)
- Cabinet depth at cook zone: ____ cm (____ in)
- Ceiling height above cooktop: ____ cm (____ in)
- Hood depth target: ____ cm (____ in)
- Duct diameter: ____ mm (____ in)
- Duct length to outside: ____ m (____ ft)
- Number of elbows: ____
- Nearest exterior wall distance: ____ cm (____ m)
- Power outlet position from centerline: ____ cm left/right, ____ cm above benchtop
- Recirculating filter size and part code: __________
Fill the sheet before browsing models, then convert each number to both centimeters and inches so that EU and US specifications make equal sense. If you live in a rental without exterior venting, keep a second line of notes for filter type and local stockists, and consider this overview of ductless choices so you can plan filter changes and noise expectations up front.
Helpful next reads
- For matching hood type to kitchen layout: wall‑mounted choices
- For renters and small spaces: portable hoods
- For ongoing upkeep: washable grease filters
What changes once you measure properly Once you know your stove width, target height, and duct route, most “will it fit” anxiety disappears. You stop guessing, you avoid noisy and weak setups, and you can compare cooker hoods in Uganda on real fit and performance instead of looks alone.
