thermostat wire
Skip itSoft demand (-11.2% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$26.53avg listing price — sweet spot $15–$100
Price range
Great$9.83–$99.76cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great326.02avg incumbent reviews — the moat a new listing must climb
Competition
Great37%top-5 click share — an open shelf
Conversion
Good4.7%search→purchase rate — share of searches ending in a sale
Returns
Okay3.8%return rate — above 5% kills the launch gate
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Market size
Okay$151K$151K/yr · 120K searches
Growth
Bad-11.2%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, thermostat wire is a $151K/yr Amazon United States market (120K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
thermostat wire market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $159K–$212K
- units × avg price
- Conversion rate
- 4.7%
- Avg BSR
- #366
- Page quality
- 0%
- Prime
- 98%
- Sponsored
- 83%
- Out of stock
- 13.9%
- Avg brand age
- 53 months
- Avg seller age
- 156 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
13 rising
Sellers
24
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
37%
Top 20: 85%
Open market
7%
- Syston Cable Technology30%
- Cableague21%
- YDDECW13%
- XRDS -RF10%
- FRUDRIK9%
- Southwire9%
- Open — no brand owns it (7 brands, 7%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.2% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.0×
Top thermostat wire search terms
- thermostat wire91K/yr
- 18/5 thermostat wire9K/yr
- thermostat wire 18 57K/yr
- hvac wire4K/yr
- 5 wire thermostat cable4K/yr
- thermostat cable3K/yr
- thermostat wiring3K/yr
Top thermostat wire 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
Syston 18/5 Thermostat Doorbell HVAC Heating Control Cable Wire 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed UV Resistant RoHS for Indoor/Outdoor Low Voltage Applications Use
Syston Cable Technology$15.914.6★105 rev
Syston 18/8 Thermostat Doorbell HVAC Heating Control Cable Wire 18 AWG 8 Conductors 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UV Resistant RoHS for Low Voltage Applications Use
Syston Cable Technology$20.074.6★219 rev
Southwire 18/5 Thermostat Wire 250 ft Brown Solid Copper CL2 Cable for HVAC & Alarm Systems
Southwire$65.124.7★263 rev
FRUDRIK Thermostat Wire - Solid Copper 18 Gauge - CL2 - Power Circuit Cable(18/5Brown 25ft)
FRUDRIK$15.574.7★271 rev
Cableague Thermostat Wire 18/5 18 Gauge 5 Conductor ETL 18-5 50 Feet Brown (18-5 Brown 50Feet)
Cableague$27.924.7★1,016 rev
Newest
by launch date
XRDS -RF 18AWG 5 Conductor Thermostat Wire 10FT Solid Copper 18 Gauge 5 Wire for Thermostat HVAC Heating and Cooling White Jacket (10FT / 20FT / 25FT / 30FT / 50FT / 75FT / 100FT)
XRDS -RF$11.6984 rev
XRDS -RF 18AWG 2 Conductor Thermostat Wire 20FT Solid Copper 18 Gauge 2 Wire for Thermostat HVAC Heating and Cooling White Jacket (20FT / 25FT / 30FT / 50FT / 75FT / 100FT)
XRDS -RF$9.83105 rev
18AWG Thermostat Wire 18/5 Solid Copper 5 Conductor Low Voltage HVAC Cable for Thermostats Alarm Systems Doorbells Multi-Color 10FT
XRDS -RF$11.7084 rev
Syston 18/8 Thermostat Doorbell HVAC Heating Control Cable Wire 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed UV Resistant RoHS for Indoor/Outdoor Low Voltage Applications Use
Syston Cable Technology$35.1825 rev
FRUDRIK Thermostat Wire - Solid Copper 18 Gauge - CL2 - Power Circuit Cable (18/4Brown 25ft)
FRUDRIK$15.1014 rev
Trending
90-day click momentumFRUDRIK Thermostat Wire - Solid Copper 18 Gauge - CL2 - Power Circuit Cable(18/5Brown 25ft)
FRUDRIK$15.574.7★
Syston 18/5 Thermostat Doorbell HVAC Heating Control Cable Wire 18 AWG 5 Conductors 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UV Resistant RoHS for Low Voltage Applications Use
Syston Cable Technology$16.994.6★
FRUDRIK Thermostat Wire - Solid Copper 18 Gauge - CL2 - Power Circuit Cable (18/4Brown 25ft)
FRUDRIK$15.105.0★
XRDS -RF 18AWG 5 Conductor Thermostat Wire 10FT Solid Copper 18 Gauge 5 Wire for Thermostat HVAC Heating and Cooling White Jacket (10FT / 20FT / 25FT / 30FT / 50FT / 75FT / 100FT)
XRDS -RF$11.694.7★
eastwire 18/6 25ft Thermostat Doorbell HAVC Heating Control Cable Wire
eastwire$25.804.6★
What buyers say about thermostat wire
What buyers praise and complain about, mined from review topics.What buyers love
“This has a very good quality jacket”
“The price was cheap”
“As advertised”
“there was nothing very demanding about that”
“it appears well insulated”
“It certainly did the job I got it for. wiring the switch for a motion sensing light into the light circuit.”
“Excellent run your own C-Wire and avoid the ridiculous price from the HVAC and Electrician folks”
“Good and solid”
“It seems to be well made and I expect that it will be durable, reliable and hold up well in and indoor dry environment”
“Great solution for runs between led strip lights”
What buyers complain about
“Thick outer sheath”
“cheaply made outside coating”
“Cheap”
“weak”
“the insulation seems weak”
“because I have no idea what this should cost”
Top return reasons
Common questions
- Is thermostat wire profitable to sell on Amazon United States?
- The niche generates $151K/yr across 42 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -11.2%. Flapen's verdict: Skip it (48/100).
- How competitive is the thermostat wire niche?
- 13 brands and 24 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in thermostat wire?
- Top complaints mined from reviews: Thickness, Material Quality, Quality-Overall. The return rate is 3.8%.
- When does demand for thermostat wire peak?
- Demand peaks in Jan–Nov–Dec; the busiest month runs 2.0× the quietest.
- What does it cost to enter the thermostat wire niche?
- Listings span $9.83–$99.76; the average listing price is $26.53 (sweet spot $15–$100). The average incumbent carries 326 reviews — the moat a new listing must climb.