Smoke Detector Pricing
Current market statistics for 3,843 smoke detectors listed on eBay.
What you'll usually pay
💡 Buying used saves about 18% here.
👉 In short easy summary
The market median is 45.99, with new units costing slightly more at 50. Bosch offers the best value at 49.99. High-end industrial brands like Apollo command a significant premium with a 115% delta.
Price by brand
Why? Price variance is driven by industrial vs. residential specifications, ranging from Bosch at 49.99 to Apollo at 99.
🛒 Some on sale right now
Common questions
What is the typical price for a used smoke detector?
The median price for used units is 41.
Which brand is the most expensive on average?
Apollo is the most expensive with a median price of 99.
How does the price of System Sensor units compare to the market median?
System Sensor units have a median price of 55.5, which is a 21% delta from the market median.
How we got these numbers
Worked out from 200 live eBay listings (price range $20–$187, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 30, 2026.