Aprilaire 500
soft demand (-81.5% this quarter) — Aprilaire 500 doesn't clear our bar today.
Flapen Score
Ranks 844 of 845 Appliances niches · −25 vs the category median of 45
Is Aprilaire 500 profitable on Amazon?
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.
Aprilaire 500: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -81.5% over the last 90 days and 1.5% of searches end in a purchase.
$28K
revenue / yr
Who owns the niche?
The top 5 brands hold 100% of demand, so 0% of the market is open.
0%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 4 products
Top Aprilaire 500 products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
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
- Price
- $276.40
- Rating
- 4.5/5
- Reviews
- 1,900
- Age
- 3y ago

AprilAire 10 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 110 220 500 500A 500M 550 550A 558 (Pack of 2)
- Price
- $22.53
- Rating
- 4.8/5
- Reviews
- 10,515
- Age
- 16y ago

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
- Price
- $238.01
- Rating
- 4.1/5
- Reviews
- 129
- Age
- 3y ago

AprilAire H510EZ1 Humidifier Filter/Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models: 500 500A and 500M
- Price
- $28.83
- Rating
- 4.4/5
- Reviews
- 140
- Age
- 2y ago
Trending
90-day click momentum
AprilAire 10 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 110 220 500 500A 500M 550 550A 558 (Pack of 2)
- Price
- $22.53
- Rating
- 4.8/5
- Reviews
- 10,515
- Age
- 16y ago

AprilAire H510EZ1 Humidifier Filter/Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models: 500 500A and 500M
- Price
- $28.83
- Rating
- 4.4/5
- Reviews
- 140
- Age
- 2y ago

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
- Price
- $276.40
- Rating
- 4.5/5
- Reviews
- 1,900
- Age
- 3y ago

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
- Price
- $238.01
- Rating
- 4.1/5
- Reviews
- 129
- Age
- 3y ago
Newest
by launch date
AprilAire H510EZ1 Humidifier Filter/Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models: 500 500A and 500M
- Price
- $28.83
- Rating
- 4.4/5
- Reviews
- 140
- Age
- 2y ago

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
- Price
- $276.40
- Rating
- 4.5/5
- Reviews
- 1,900
- Age
- 3y ago

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
- Price
- $238.01
- Rating
- 4.1/5
- Reviews
- 129
- Age
- 3y ago

AprilAire 10 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 110 220 500 500A 500M 550 550A 558 (Pack of 2)
- Price
- $22.53
- Rating
- 4.8/5
- Reviews
- 10,515
- Age
- 16y ago
Competition: brands, sellers & click 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%
Aprilaire 500 demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Top Aprilaire 500 search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- aprilaire 5008K/yr
- aprilaire 500 humidifier4K/yr
- aprilaire 500m2K/yr
What reviews say buyers love and hate about Aprilaire 500
What buyers mention most, as a share of all reviews.
What buyers love
95% of reviews“Exact fit”
“not hard at all”
“These are good filters”
“As described”
“Definitely a cost-effective alternative without sacrificing quality”
What buyers complain about
93% of reviews“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”
Aprilaire 500 return rate & reasons
Why buyers send it back, as a share of all return requests.
2.5%
Return rate
64%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Aprilaire 500 questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









