dehumidifier and air purifier
Skip itSoft demand (-27.4% this quarter) — this niche doesn't clear our bar today.
Avg price
Great£83.61avg listing price — sweet spot $15–$100
Price range
Good£19.23–£146.25cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Good2.8%return rate — above 5% kills the launch gate
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Review moat
Okay1,755.83avg incumbent reviews — the moat a new listing must climb
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Market size
Bad£72K£72K/yr · 52K searches
Growth
Bad-27.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, dehumidifier and air purifier is a £72K/yr Amazon United Kingdom market (52K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 37/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
dehumidifier and air purifier market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- £21K–£42K
- units × avg price
- Conversion rate
- 1.7%
- Avg BSR
- #160
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 72%
- Out of stock
- 6.6%
- Avg brand age
- 28 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
87
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
18%
- Russell Hobbs36%
- Meaco13%
- Olsen & Smith12%
- Devola8%
- PHILIPS7%
- Levoit6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -27.4% search growth over the last 90 days.Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 6.3×
Top dehumidifier and air purifier products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Russell Hobbs RHDH1101G Ozone Free 750ml/day 2 in 1 Grey Dehumidifier/Air Purifier 20m2 Room Size LED Lighting & Captures Bacteria for Home Kitchen Basement Garage Caravan
Russell Hobbs£56.474.1★864 rev
Olsen & Smith 20L/Day Quiet Dehumidifier and HEPA Air Purifier for Home
Olsen & Smith£90.404.5★66 rev
Devola 12L Dehumidifier & HEPA H13 Air Purifier- Quiet & Energy Efficient (costs less than 5p per hour) Dehumidifiers for Home Laundry Drying Mode Continuous drainage (DVH12L)
Devola£116.924.5★89 rev
MeacoDry Arete One 12L dual Dehumidifier & HEPA air purifier for regular sized homes - prevents damp and condensation - ultra-quiet - low energy laundry mode- night mode - five year warranty
Meaco£146.254.6★799 rev
Levoit Smart HEPA Air Purifier for Bedroom Home 64m Coverage Core 200S
Levoit£68.634.6★23,115 rev
Newest
by launch date
MeacoDry Arete One 6L Warm Pebble Dehumidifier & Air Purifier
Meaco£107.2654 rev
Olsen & Smith 20L/Day Quiet Dehumidifier and HEPA Air Purifier for Home
Olsen & Smith£90.4066 rev
Devola 12L Dehumidifier & HEPA H13 Air Purifier- Quiet & Energy Efficient (costs less than 5p per hour) Dehumidifiers for Home Laundry Drying Mode Continuous drainage (DVH12L)
Devola£116.9289 rev
Levoit Smart HEPA Air Purifier for Bedroom Home 64m Coverage Core 200S
Levoit£68.6323,115 rev
HAUSHOF 12L/Day Dehumidifier for Home with Air Purification Digital Humidity Display Low Energy&Low Noise 24H Timer 2L Water Tank & Drainage Hose Ideal for Damp Drying Clothes and Air Freshening
HAUSHOF£102.5626 rev
Trending
90-day click momentumLevoit Smart HEPA Air Purifier for Bedroom Home 64m Coverage Core 200S
Levoit£68.634.6★
SA Products 500ml Portable Dehumidifier and Air Purifier | Moisture Absorbers for Home Bedroom Bathroom (White)
SA Products£19.234.3★
Philips Air Purifier 900 Series HEPA NanoProtect + Active Carbon 65m
PHILIPS£90.054.5★
MeacoDry Arete One 10L dual Dehumidifier & HEPA air purifier for smaller sized houses or flats - prevents damp and condensation - ultra-quiet low energy laundry mode- five year warranty
Meaco£132.064.6★
Olsen & Smith 20L/Day Quiet Dehumidifier and HEPA Air Purifier for Home
Olsen & Smith£90.404.5★
What buyers say about dehumidifier and air purifier
What buyers praise and complain about, mined from review topics.What buyers love
“Product working very well”
“Effective compact air purifier”
“Well worth it”
“Easy to use”
“Easy to put together with the filter”
“This is ok I went for it as the marketing looked reasonable”
“Effective at what it does”
“filter was easy to fit in”
“It's not dropped the connection once it all the months I've had it”
“does an amazing job for its size”
What buyers complain about
“WiFi connection drops out”
“Really disappointed as £150 down the drain”
“Malfunction after filter change”
“Not as quiet as led to believe”
“Only had it a couple of months before it broke”
“Does abousolutely nothing”
“Didnt say that in the instructions either”
“A little bigger than I thought though”
“Difficult to operate”
“Misleading listing”
Top return reasons
Common questions
- Is dehumidifier and air purifier profitable to sell on Amazon United Kingdom?
- The niche generates £72K/yr across 18 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -27.4%. Flapen's verdict: Skip it (37/100).
- How competitive is the dehumidifier and air purifier niche?
- 13 brands and 87 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in dehumidifier and air purifier?
- Top complaints mined from reviews: Connectivity-Overall, Value For Money, Filtration. The return rate is 2.8%.
- When does demand for dehumidifier and air purifier peak?
- Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 6.3× the quietest.
- What does it cost to enter the dehumidifier and air purifier niche?
- Listings span £19.23–£146.25; the average listing price is £83.61 (sweet spot $15–$100). The average incumbent carries 1,756 reviews — the moat a new listing must climb.