aprilaire 500
Skip itSoft demand (-81.5% this quarter) — this niche doesn't clear our bar today.
Returns
Good2.5%return rate — above 5% kills the launch gate
Avg price
Good$141.45avg listing price — sweet spot $15–$100
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay3,171avg incumbent reviews — the moat a new listing must climb
Price range
Okay$22.53–$276.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Market size
Bad$28K$28K/yr · 13K searches
Growth
Bad-81.5%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, aprilaire 500 is a $28K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 20/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
aprilaire 500 market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $106K–$141K
- units × avg price
- Conversion rate
- 1.5%
- Avg BSR
- #194
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 9.0%
- Avg brand age
- 39 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
1 flat
Sellers
12
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Aprilaire100%
Demand
Weekly Amazon search volume, last 33 weeks — -81.5% search growth over the last 90 days.Top aprilaire 500 search terms
- aprilaire 5008K/yr
- aprilaire 500 humidifier4K/yr
- aprilaire 500m2K/yr
Top aprilaire 500 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 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
AprilAire 500 12-gal. Whole-House Small Bypass Evaporative Humidifier with Automatic Digital Control for up to 3 600 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit
Aprilaire$276.404.5★1,900 rev
AprilAire 10 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 110 220 500 500A 500M 550 550A 558 (Pack of 2)
Aprilaire$22.534.8★10,515 rev
AprilAire 500M 12-gal. Whole-House Small Bypass Evaporative Humidifier with Manual Control for up to 3 600 sq. ft. + AprilAire Model 5843 Humidifier Installation Kit
Aprilaire$238.014.1★129 rev
AprilAire H510EZ1 Humidifier Filter/Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models: 500 500A and 500M
Aprilaire$28.834.4★140 rev
Newest
by launch dateAprilAire H510EZ1 Humidifier Filter/Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models: 500 500A and 500M
Aprilaire$28.83140 rev
AprilAire 500 12-gal. Whole-House Small Bypass Evaporative Humidifier with Automatic Digital Control for up to 3 600 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit
Aprilaire$276.401,900 rev
AprilAire 500M 12-gal. Whole-House Small Bypass Evaporative Humidifier with Manual Control for up to 3 600 sq. ft. + AprilAire Model 5843 Humidifier Installation Kit
Aprilaire$238.01129 rev
AprilAire 10 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 110 220 500 500A 500M 550 550A 558 (Pack of 2)
Aprilaire$22.5310,515 rev
Trending
90-day click momentumAprilAire 10 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 110 220 500 500A 500M 550 550A 558 (Pack of 2)
Aprilaire$22.534.8★
AprilAire H510EZ1 Humidifier Filter/Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models: 500 500A and 500M
Aprilaire$28.834.4★
AprilAire 500 12-gal. Whole-House Small Bypass Evaporative Humidifier with Automatic Digital Control for up to 3 600 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit
Aprilaire$276.404.5★
AprilAire 500M 12-gal. Whole-House Small Bypass Evaporative Humidifier with Manual Control for up to 3 600 sq. ft. + AprilAire Model 5843 Humidifier Installation Kit
Aprilaire$238.014.1★
What buyers say about aprilaire 500
What buyers praise and complain about, mined from review topics.What buyers love
“Exact fit”
“not hard at all”
“These are good filters”
“As described”
“Definitely a cost-effective alternative without sacrificing quality”
“Exact replacement, mine was 10 years old and was fine”
“Well worth the small cost”
“Lots of videos online on how easy it is to replace”
What buyers complain about
“they are very clearly used”
“Will buy again now that I know how nasty these filters get over time”
“Defective water tube”
“You have to be very skilled to install on your own”
“So Im wasting water”
“this water panel does not fit an AprilAire 550”
“a little to big”
“Now if I want to use a better quality machine I have to pay them all over again”
“poor connection design”
“poor connection design”
Top return reasons
Common questions
- Is aprilaire 500 profitable to sell on Amazon United States?
- The niche generates $28K/yr across 4 tracked products. 90-day search growth is -81.5%. Flapen's verdict: Skip it (20/100).
- How competitive is the aprilaire 500 niche?
- 1 brands and 12 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in aprilaire 500?
- Top complaints mined from reviews: Product Condition, Filtration, Water Resistance. The return rate is 2.5%.
- What does it cost to enter the aprilaire 500 niche?
- Listings span $22.53–$276.40; the average listing price is $141.45 (sweet spot $15–$100). The average incumbent carries 3,171 reviews — the moat a new listing must climb.