Hydrocollator
MaybeThe products selling today average only 4.0★. But prices span $13.78–$2045.92, mostly outside the sweet spot, so Hydrocollator is a Maybe.
- Flapen Score
- 55 / 100Top 24% of 14,768 Health & Household niches · +6 vs the category median of 4955
- Market size
- $827K/yr84K searches / yr
- 90-day growth
- -17.2%search demand this quarter
- Competition
- 49%top-5 click share · 14 brands · 30 sellers
Flapen Score
Hydrocollator against its category
The dotted line is the Health & Household average. Past it, Hydrocollator is stronger. Inside it, weaker.
Market
The Hydrocollator market on Amazon at a glance
Shoppers on Amazon United States searched for Hydrocollator 84K times last year and spent an estimated $827K. The top 5 brands take 81% of clicks. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 4.0% of those searches ended in a purchase.
Shoppers searched for this 84K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.0% of those searches ended in a purchase. Searches in the last 90 days moved -17.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $827K a year.
- Searches, last 12 months
- 84K
- Growth, 90 days vs prior 90
- -17.2%
- Conversion, latest week
- 4.0%
- Market size, estimated
- $827Ka year
- Peak month
- November1.6× the quietest month
- Top search term
- hydrocollator31K searches a year
02 · Price
A sale here is worth $244.82.
Listings sell for $244.82 on average, from $13.78 to $2045.92. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 100 to 250 of them. At $244.82 that is $24K to $61K a year per listing.
- Average price
- $244.82above the $15 to $100 sweet spot
- Price range
- $13.78–$2045.92
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $24K–$61K
- Returns
- 1.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
68% of listings pay for placement with sponsored ads. 79% ship with Prime. On an average day, 2.0% of listings are out of stock. The average listing ranks #1,099 within Hot & Cold Therapies. It carries 484 reviews at 4.05 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 68%
- Prime listings
- 79%
- Out of stock, average day
- 2.0%
- Average rank
- #1,099in Hot & Cold Therapies
- Average rating
- 4.05 starsAmazon United States average 4.42 stars
- Average reviews
- 484per listing
- Listings tracked
- 28
04 · Newcomers
2 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 81 months on average, so the names here are established.
- Launched, last 12 months
- 2
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 81 months
Products
Top Hydrocollator products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Therapists Choice Hydroculator Heat Packs (Standard 10x12)
- Price
- $16.72
- Rating
- 4.2/5
- Reviews
- 1,315
- Age
- 13y ago

Chattanooga Hydrocollator Tabletop Heating Unit - E-1 with 4 Standard Packs
- Price
- $516.17
- Rating
- 3.4/5
- Reviews
- 17
- Age
- 13y ago

Chattanooga Hydrocollator Moist Heat HotPacs - Neck Contour
- Price
- $18.78
- Rating
- 4.1/5
- Reviews
- 1,383
- Age
- 20y ago

Chattanooga Hydrocollator E-2 Stationary Heating Unit with 6 Original Moist Heat Therapy HotPacs
- Price
- $934.91
- Rating
- 3.8/5
- Reviews
- 107
- Age
- 19y ago

Relief Pak Heating Unit 4 Pack Stationary w/o Packs 110V
- Price
- $330.44
- Rating
- 4.0/5
- Reviews
- 44
- Age
- 9y ago
Trending
estimated 90-day click momentum
E-1 Stationary Heating Unit Tabletop with 4 Standard Heat Packs Heating Unit with Consistent Moist Heat Up to 165F Constructed From High-Quality Stainless Steel & Easy to Maintain
- Price
- $294.32
- Rating
- 3.0/5
- Reviews
- 2
- Age
- 10mo ago

UNI-GO LJE-1 Stationary Heating Unit 41cm (H) x 33cm (L) x 20cm (W)
- Price
- $331.32
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 7mo ago

3B Scientific W50040 HotPac Hydrocollator Moist Heat Half Size 5 x 12
- Price
- $18.77
- Rating
- 4.1/5
- Reviews
- 27
- Age
- 19y ago

Relief Pak Heating Unit 4-Pack Stationary with (3) Standard and (1) Neck 110V
- Price
- $445.53
- Rating
- 4.8/5
- Reviews
- 10
- Age
- 8y ago

BodyMed Pro-Temp Hydro Hot Pack 10 in. x 12 in. (Standard) - Heating Pad for Physical & Occupational Therapy - for Sore Muscles and Joints
- Price
- $13.78
- Rating
- 3.8/5
- Reviews
- 84
- Age
- 7y ago
Newest
by launch date
UNI-GO LJE-1 Stationary Heating Unit 41cm (H) x 33cm (L) x 20cm (W)
- Price
- $331.32
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 7mo ago

E-1 Stationary Heating Unit Tabletop with 4 Standard Heat Packs Heating Unit with Consistent Moist Heat Up to 165F Constructed From High-Quality Stainless Steel & Easy to Maintain
- Price
- $294.32
- Rating
- 3.0/5
- Reviews
- 2
- Age
- 10mo ago

Hahafelt 2 Pcs Heating Pad Cover Foam Filled Terry Cover Hydroculators Moist Hot Heat Pack for Cramps Muscle Soreness Dysmenorrhea Aches Relaxation Without Pockets(Standard)
- Price
- $17.82
- Rating
- 3.4/5
- Reviews
- 28
- Age
- 2y ago

UNI-GO Moist Heat Pack Standard Size 10x12
- Price
- $16.64
- Rating
- 4.4/5
- Reviews
- 130
- Age
- 2y ago

Vive Moist Heating Pack HSA/FSA Approved - 10 x 12 Physical Therapy Microwave Hot Pad - Heating Pad for Neck Shoulders Pain Arthritis Strains & Sprains Reusable Color-Coded
- Price
- $19.85
- Rating
- 4.3/5
- Reviews
- 73
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 49% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 rising
Sellers
30
Est. top-5 brand share
81%
Top 20: 98%
Est. top-5 click share
49%
Top 20: 91%
Open market
14%
- Chattanooga32%
- Therapist's Choice22%
- Relief Pak13%
- Fabrication Enterprises11%
- Anrain5%
- UNI-GO4%
- Open — no brand owns it (8 brands, 14%)
Demand
Hydrocollator search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top Hydrocollator search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- hydrocollator31K/yr
- hydrocollator moist heat pack13K/yr
- hydroculators moist heat pack11K/yr
- hydroculators10K/yr
- hydrocollator pads5K/yr
- hydrocollator unit4K/yr
- hydrocollator packs4K/yr
- hydroculator4K/yr
- chattanooga hydrocollator3K/yr
Reviews and returns
What reviews say buyers love and hate about Hydrocollator
We read the reviews and the return reasons for every product selling here.
“it still does not retain heat long enough for me”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Hydrocollator questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









