14x18x1 air filters
Launch itA $936K/yr market growing +19.4% this quarter with returns at 0.4% — clears our launch bar.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Great12.0%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$34.36avg listing price — sweet spot $15–$100
Price range
Incredible$20.89–$45.53cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$936K$936K/yr · 227K searches
Growth
Okay+19.4%90-day search growth — must beat 0% to launch
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Review moat
Bad11,876.63avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad94%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 14x18x1 air filters is a $936K/yr Amazon United States market (227K searches/yr). The top 5 brands hold 94% of demand. Verdict: Launch it — 57/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
14x18x1 air filters market data
- Units sold / yr
- 25K–30K
- avg 1,000–1,250/product
- Revenue / yr
- $859K–$1.0M
- units × avg price
- Conversion rate
- 12.0%
- Avg BSR
- #99
- Page quality
- 0%
- Prime
- 75%
- Sponsored
- 63%
- Out of stock
- 0.0%
- Avg brand age
- 55 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
8 falling
Sellers
15
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
4%
- Simply31%
- BNX24%
- Filterbuy19%
- Filtrete11%
- Komashr9%
- Generic3%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +19.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top 14x18x1 air filters search terms
- 14x18x1 air filters111K/yr
- air filter 14x18x130K/yr
- 14x18x1 air filter19K/yr
- 14 x 18 x 1 air filter16K/yr
- ac filter 14x18x113K/yr
- 14 18 1 air filter7K/yr
- furnace filters 14x18x15K/yr
- 14x18x16K/yr
- 14x18x1 furnace filter5K/yr
- 18x14x1 air filter4K/yr
Top 14x18x1 air filters 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Simply 14x18x1 Air Filter Merv 8 6 Pack For Home AC Furnace & HVAC (Actual Size: 13.75x17.75x0.75) DUST Pet & Allergy Control
Simply$38.424.7★53,363 rev
Filterbuy 14x18x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 13.50 x 17.50 x 0.75)
Filterbuy$34.094.8★1,464 rev
BNX TruFilter 14x18x1 MERV 13 (4-Pack) AC Furnace Air Filter - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen Mold Bacteria Smoke
BNX$34.244.8★212 rev
Simply 14x18x1 Air Filter Merv 8 MPR 600 4 Pack Furnace Air Filter for HVAC (Actual Size: 13.75x17.75x0.75) DUST Pet & Allergy Control
Simply$26.344.6★5,182 rev
Komashr 14x18x1 Air Filter MERV 8 (2-Pack) HVAC/Furnace AC Filter Replacement Dust DefenseComparable with MPR 600 & FPR 5 (Actual 13.75x17.75x0.75)
Komashr$20.894.8★73 rev
Newest
by launch dateKomashr 14x18x1 Air Filter MERV 8 (2-Pack) HVAC/Furnace AC Filter Replacement Dust DefenseComparable with MPR 600 & FPR 5 (Actual 13.75x17.75x0.75)
Komashr$20.8973 rev
Filtrete 14x18x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 2-Pack (Actual Size 13.81 x 17.81 x 0.81 in)
Filtrete$26.44740 rev
Filtrete 14x18x1 Air Filter MERV 13 MPR 1900 Allergens Bacteria Viruses & Air Pollutants 3-Month AC/Furnace Filters Cleaner Air Reliable Airflow 2 HVAC Filters(Act Size 13.68x17.68x0.78 in)
Filtrete$44.1617,142 rev
14 in. x 18 in. x 1 in Pleated Air Filter FPR-7 MERV-11 (2-Pack)
Generic$26.74102 rev
Flanders EZ-Flow II 14x18x1 Air Filters MERV 1 Furnace HVAC & AC Filter - High-Airflow Energy-Efficient Fiberglass Media 10055.011418 (2-Pack)
Flanders$24.4717 rev
Trending
90-day click momentumSimply 14x18x1 Air Filter Merv 8 MPR 600 4 Pack Furnace Air Filter for HVAC (Actual Size: 13.75x17.75x0.75) DUST Pet & Allergy Control
Simply$26.344.6★
Komashr 14x18x1 Air Filter MERV 8 (2-Pack) HVAC/Furnace AC Filter Replacement Dust DefenseComparable with MPR 600 & FPR 5 (Actual 13.75x17.75x0.75)
Komashr$20.894.8★
Flanders EZ-Flow II 14x18x1 Air Filters MERV 1 Furnace HVAC & AC Filter - High-Airflow Energy-Efficient Fiberglass Media 10055.011418 (2-Pack)
Flanders$24.474.0★
Filtrete 14x18x1 Air Filter MERV 13 MPR 1900 Allergens Bacteria Viruses & Air Pollutants 3-Month AC/Furnace Filters Cleaner Air Reliable Airflow 2 HVAC Filters(Act Size 13.68x17.68x0.78 in)
Filtrete$44.164.8★
BNX TruFilter 14x18x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies Dust Pet Smoke Allergy MPR 1200 FPR 7
BNX$40.554.7★
What buyers say about 14x18x1 air filters
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent filters”
“Excellent product”
“GOOD VALUE”
“The fit is accurate”
“The product arrived as advertised”
“Works well”
“Fair prices and American Made”
“seems to be pretty durable”
“Easy installation”
“Great item work extremely well without putting any stress on the motor with air restriction”
What buyers complain about
“Inaccurate description”
“IMO, The filter won't stand up to normal use”
“Too expensive”
“A little flimsy for me”
“could not find the exact size”
“Filters out weird scents”
“After a while of installing them, I noticed my allergies that had been bothering me for weeks decreased in severity and annoyance”
Top return reasons
Common questions
- Is 14x18x1 air filters profitable to sell on Amazon United States?
- The niche generates $936K/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +19.4%. Flapen's verdict: Launch it (57/100).
- How competitive is the 14x18x1 air filters niche?
- 8 brands and 15 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in 14x18x1 air filters?
- Top complaints mined from reviews: Advertised Vs Actual Product, Filtration, Value For Money. The return rate is 0.4%.
- When does demand for 14x18x1 air filters peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the 14x18x1 air filters niche?
- Listings span $20.89–$45.53; the average listing price is $34.36 (sweet spot $15–$100). The average incumbent carries 11,877 reviews — the moat a new listing must climb.