Mastercool Pads
Skip itA small market ($18K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible82.22avg incumbent reviews — the moat a new listing must climb
Returns
Great2.0%return rate — above 5% kills the launch gate
Avg price
Good$112.64avg listing price — sweet spot $15–$100
Growth
Okay+13.0%90-day search growth — must beat 0% to launch
Price range
Okay$46.51–$181.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Market size
Bad$18K$18K/yr · 9K searches
Is mastercool pads profitable on Amazon?
According to Flapen's Amazon United States niche tracking, mastercool pads is a $18K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Mar–Apr–May–Jun–Jul. Verdict: Skip it — 38/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
mastercool pads market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- $11K–$28K
- units × avg price
- Conversion rate
- 1.7%
- Avg BSR
- #806
- Page quality
- 0%
- Prime
- 6%
- Sponsored
- 28%
- Out of stock
- 6.9%
- Avg brand age
- 73 months
- Avg seller age
- 205 days
Competition: brands, sellers & click share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
9 rising
Sellers
45
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
7%
- Dial29%
- Mastercool18%
- Champion Cooler18%
- Generic12%
- MASTERCOOL8%
- CAI - MASTERCOOL7%
- Open — no brand owns it (3 brands, 7%)
mastercool pads demand & seasonality
Weekly Amazon search volume, last 88 weeks — +13.0% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun, Jul · busiest ÷ quietest = 53.0×
Top mastercool pads products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.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
DIAL 3437 Mastercool Cooler Pad 40 x 23 x 8
Dial$87.734.5★227 rev
Evaporative Cooler Pad 35-1/2H x 36-1/4W x 2D Residential/Commercial/Industrial
Mastercool$105.254.6★46 rev
MasterCool 3-Piece Replacement Rigid Media Set MCP44-PAD
Champion Cooler$100.424.4★405 rev
3453 40 x 28 x 12 in. Mastercool Pad
Generic$166.305.0★2 rev
MASTERCOOL Replacement Pad Set for MMBT14 Portable Evaporative Cooler (310085-8)
MASTERCOOL$58.030.0★0 rev
Newest
by launch date
Evaporative Cooling Pad Kraft Paper 28 in H x 40 in W x 8 in D - Replacement Media for Swamp Coolers Evaporative Air Coolers & HVAC Systems
Elite Tool Center$128.980 rev
5 Pack Evaporative Cooling Pad Kraft Paper 48 in H x 12 in W x 4 in D - Replacement Media for Swamp Coolers Evaporative Air Coolers & HVAC Systems
Elite Tool Center$113.830 rev
MCP44 Mastercool Universal Rigid Media Pad Set
Generic$158.281 rev
3453 40 x 28 x 12 in. Mastercool Pad
Generic$166.302 rev
MasterCool 120V Evaporative Cooler Pump for MCP44 and MCP59 Pump with Mesh Screen
Essick Air$46.51190 rev
Trending
90-day click momentumEvaporative Cooling Pad Kraft Paper 28 in H x 40 in W x 8 in D - Replacement Media for Swamp Coolers Evaporative Air Coolers & HVAC Systems
Elite Tool Center$128.980.0★
5 Pack Evaporative Cooling Pad Kraft Paper 48 in H x 12 in W x 4 in D - Replacement Media for Swamp Coolers Evaporative Air Coolers & HVAC Systems
Elite Tool Center$113.830.0★
MASTERCOOL Replacement Pad Set for MMBT14 Portable Evaporative Cooler (310085-8)
MASTERCOOL$58.030.0★
3453 40 x 28 x 12 in. Mastercool Pad
Generic$166.305.0★
MCP44 Mastercool Universal Rigid Media Pad Set
Generic$158.285.0★
What reviews say buyers love and hate about mastercool pads
What buyers praise and complain about, mined from review topics.What buyers love
“Pads fit perfectly”
“Good product and good quality”
“As advertized”
“Exact filter pad”
“Works great”
“Good price”
“easy to install”
“I encountered zero issues”
“Cooler pump”
“Easy enough to swap out though”
What buyers complain about
“Does not fit a Bonaire Durango 7500 window unit”
“impossible to set in place without crumbling”
“Didnt work for me”
“Quality is a little lightweight”
“Some didn't even last two months”
“The smell was is so bad I developed a severe headache”
“But it gets expensive constantly replacing them since they won't honor their warranty”
“beware once in use”
“But it gets expensive constantly replacing them since they won't honor their warranty”
Top return reasons
Common mastercool pads questions
- Is mastercool pads profitable to sell on Amazon United States?
- The niche generates $18K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +13.0%. Flapen's verdict: Skip it (38/100).
- How competitive is the mastercool pads niche?
- 9 brands and 45 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in mastercool pads?
- Top complaints mined from reviews: Size-Overall, Assembly/Installation, Functionality-Overall. The return rate is 2.0%.
- When does demand for mastercool pads peak?
- Demand peaks in Mar–Apr–May–Jun–Jul; the busiest month runs 53.0× the quietest.
- What does it cost to enter the mastercool pads niche?
- Listings span $46.51–$181.62; the average listing price is $112.64 (sweet spot $15–$100). The average incumbent carries 82 reviews — the moat a new listing must climb.