millivolt thermostat
Skip itSoft demand (-56.6% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$29.03avg listing price — sweet spot $15–$100
Price range
Great$8.94–$53.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good1,266.19avg incumbent reviews — the moat a new listing must climb
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Brand share
Okay90%top-5 brand share — brands hold most of the demand
Market size
Bad$92K$92K/yr · 89K searches
Returns
Bad6.3%return rate — above 5% kills the launch gate
Growth
Bad-56.6%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, millivolt thermostat is a $92K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 35/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
millivolt thermostat market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $87K–$116K
- units × avg price
- Conversion rate
- 3.5%
- Avg BSR
- #69
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 59%
- Out of stock
- 3.5%
- Avg brand age
- 62 months
- Avg seller age
- 146 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
269
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
63%
Top 20: 94%
Open market
7%
- Honeywell Home53%
- White-Rodgers14%
- Honeywell11%
- Miuputake6%
- Riseem5%
- Durablow4%
- Open — no brand owns it (6 brands, 7%)
Demand
Weekly Amazon search volume, last 33 weeks — -56.6% search growth over the last 90 days.Top millivolt thermostat search terms
- mechanical thermostat9K/yr
- manual thermostat7K/yr
- analog thermostat6K/yr
- mercury thermostat6K/yr
- dial thermostat4K/yr
- gas fireplace thermostat10K/yr
- millivolt thermostat12K/yr
- honeywell heat only thermostat7K/yr
- millivolt thermostat heat only6K/yr
- fireplace thermostat6K/yr
Top millivolt thermostat 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Honeywell Home CT30A1005 Standard Manual Economy Thermostat Almond 0.6
Honeywell Home$17.244.3★2,557 rev
Honeywell Home CT87K1004 The Round Heat Only Manual Thermostat Large White Large
Honeywell Home$27.834.1★2,956 rev
Honeywell Home CT87N1001 The Round Non-Programmable Manual Thermostat Large White
Honeywell Home$41.144.4★1,670 rev
White-Rodgers Mercury-Free Mechanical Thermostat 1F56N-444
White-Rodgers$33.254.2★1,070 rev
Honeywell TH1100DV1000 Pro-Digital 2-Wire Heat Only
Honeywell$38.054.6★3,507 rev
Newest
by launch date
New! Honeywell Home Programmable Thermostat Single-Stage 1 Heat/1 Cool Compatibility 5-2 Day Schedule X2P White RTH20B
Honeywell Home$34.43691 rev
NonProgrammable Thermostat for Home Digital Energy-Saving Thermostat Single-Stage Systems 1 Heat/1 Cool Easy DIY Install White Backlight
Riseem$24.33652 rev
NonProgrammable Thermostat for House Digital Energy-Saving Thermostat Single-Stage Systems 1 Heat/1 Cool Easy DIY Install Blue Backlight
Miuputake$24.43374 rev
NonProgrammable Thermostat for Home Digital Energy-Saving Thermostat Single-Stage Systems 1 Heat/1 Cool Easy DIY Install White Backlight
Miuputake$22.24464 rev
KooingTech Mechanical Thermostat KTO011 0-60C Adjustive Thermostat
KooingTech$9.925 rev
Trending
90-day click momentum
Quicksilver 75692Q2 Replacement Thermostat for Select Mercury Outboards 135-200hp
Quicksilver$53.974.7★
KooingTech Mechanical Thermostat KTO011 0-60C Adjustive Thermostat
KooingTech$9.924.8★
NonProgrammable Thermostat for Home Digital Energy-Saving Thermostat Single-Stage Systems 1 Heat/1 Cool Easy DIY Install White Backlight
Riseem$24.334.5★
Honeywell Home CT87N1001 The Round Non-Programmable Manual Thermostat Large White
Honeywell Home$41.144.4★
NonProgrammable Thermostat for House Digital Energy-Saving Thermostat Single-Stage Systems 1 Heat/1 Cool Easy DIY Install Blue Backlight
Miuputake$24.434.6★
What buyers say about millivolt thermostat
What buyers praise and complain about, mined from review topics.What buyers love
“Installed in minutes”
“Make Life Easy”
“Excellent product for those w”
“works as excpected”
“Great value”
“As advertised”
“clear instructions”
“Was able to make it work”
“Battery life is great”
“Rv compatible”
What buyers complain about
“Did not work”
“Bad quality”
“Broken within 2 months”
“It was not an easy install”
“Package appears opened and missing parts”
“I had to read reviews to figure this out because directions are sucky”
“The numbers are large”
“A little pricey”
“Used”
“does not work for what it description provides”
Top return reasons
Common questions
- Is millivolt thermostat profitable to sell on Amazon United States?
- The niche generates $92K/yr across 27 tracked products. 90-day search growth is -56.6%. Flapen's verdict: Skip it (35/100).
- How competitive is the millivolt thermostat niche?
- 12 brands and 269 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 90% of demand.
- What do buyers complain about in millivolt thermostat?
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Durability. The return rate is 6.3% — above our launch gate.
- What does it cost to enter the millivolt thermostat niche?
- Listings span $8.94–$53.97; the average listing price is $29.03 (sweet spot $15–$100). The average incumbent carries 1,266 reviews — the moat a new listing must climb.