Temtop S1 PM2.5 Air Quality Monitor & Indoor Thermometer
Amazon puts its typical price at $29.99: the middle of what customers paid there over 90 days, promotions left out.
at Amazon· sold by Elitech Technology Inc.
Go to Amazon$27.99 has not moved in 21 days.
Every check since September 18 has read the same number. That does not make it cheap, but waiting for a drop has nothing behind it: the price has not been falling.
This describes the prices we recorded. It is not a forecast of where this one goes next.
Price at AmazonVerified
Price history
Tracking since September 18, 2026 · 23 days on record
The price has not changed since we started watching, so there is no line to draw yet. A chart appears the first time it moves.
Sales events
Next on the calendar: Black Friday, November 27. We keep checking this price through it and report here what it did.
Where to buy
- Held for
- 22d
- Their 23-day low
- $27.99
- Checked
- 29m ago
Prices checked at least every 12 hours. “Held for” is how long that retailer has been charging this price. A hidden price is one we cannot re-confirm recently enough to publish.
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Tell me when it drops
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What it is
2 attributes, in the retailer’s own words. We record the prices; these we only pass on.
- Size
- 2 Modes/Extended Standby
- Dimensions
- 3.5 × 2.7 × 2.7 inches
Cheaper in Air & climate, and what changes
Things we track on the same shelf for at least 10% less than $27.99, with the attributes the retailers describe differently. Their words, not our judgement — we record prices, we do not test products.
Amazon BasicsAir Circulator Desk Fan for Bedroom, Home and Office, 90-Degree Tilt Head, 3 Speed Settings, Cooling, 35 Watts, Black, 11.1"W x 6.3"D x 10.9"H$18.79 at Amazon $9.20 lessSize: 11.1"W x 6.3"D x 10.9"H instead of 2 Modes/Extended StandbyDimensions: 10.9 × 10.75 × 6.1 inches instead of 3.5 × 2.7 × 2.7 inches
HoneywellTurboForce Air Circulator, Small Tabletop Fan, Quiet Personal Fan for Home or Office, 3 Speeds, 90 Degree Pivoting Head, Black, HT900$18.79 at Amazon $9.20 lessDimensions: 10.9 × 10.9 × 6.3 inches instead of 3.5 × 2.7 × 2.7 inches
FULMINAREAir Purifiers for Bedroom, FULMINARE H13 True HEPA Filter$22.49 at Amazon $5.50 lessSize: 1 Pack instead of 2 Modes/Extended StandbyDimensions: 7.88 × 5.71 × 5.71 inches instead of 3.5 × 2.7 × 2.7 inches
Others we track in Air & climate
See all Air & climate prices
TemtopCO2 Monitor Indoor air Quality Monitor Portable CO2 Meter, CO2, Temperature, Humidity Home, Office or School$29.991 retailer · 2 recorded prices
VOOPNUAir Purifiers for Home, High Efficiency Filter Up to 1076 Ft², White$26.99 · low $25.631 retailer · 7 recorded prices
Vornado133 Personal Air Circulator Fan, Black, 2 Speeds, Adjustable Head$29.741 retailer · 1 recorded price
zemeolloAir Quality Monitor Indoor, 10-in 1 Smart Air Quality Tester$29.98 · low $23.981 retailer · 3 recorded prices
SomovWorldPortable Air Conditioners, Air Cooler Evaporative Personal Mini AC, Portable AC for Room, Car, Bedroom, Office, Outdoor-WHITE$29.981 retailer · 3 recorded prices
JIBUFIPortable Space Heater for Indoor Use with 70° Oscillation and Remote$29.99 · low $26.561 retailer · 6 recorded prices
$27.99
at Amazon · we earn a commission