Kidde Carbon Monoxide Detector
AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
Price as of 2026-08-11. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Those who want a top-rated option — in the top 1% of Carbon Monoxide Detectors by rating
- •Risk-averse buyers — 19,737+ reviews give a highly reliable picture
📊 Based on data analysis of 6 products in this category.
Mubboo Score: A
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Carbon Monoxide Detectors
Computed from live Amazon rating, review count, and price across 6 Carbon Monoxide Detectors available to US consumers · last refreshed 2026-08-11.
How It Compares
This Product Kidde Carbon Monoxide Detector | Most Popular Kidde Carbon Monoxide Detector | Best Rated First Alert Carbon Monoxide Detector | Best Value Kidde Carbon Monoxide Detector | |
|---|---|---|---|---|
| Price | $27.79 | $43.97 | $23.99 | $26.35 |
| Rating | 4.7/5 | 4.7/5 | 4.7/5 | 4.7/5 |
| Reviews | 19,737 | 27,202 | 22,830 | 19,737 |
| Mubboo Score | A | B+ | A+ | A+ |
Quick Specs
- Alarm
- Audible
- Color
- Detector
- Style
- 3rd Edition
- Unit Count
- 1.0 Count
- Item Weight
- 9.6 ounces
- Sensor Type
- Electrochemical
- Manufacturer
- Kidde Safety
- Model Number
- KN-COPP-B-LPM
What buyers say about Carbon Monoxide Detectors
Themes from buyer reviews across this category — not review data for this specific model.
Be aware that the low-battery chirp mimics a smoke detector, so check this unit first when you hear chirping. If replacing an older model, note that mounting holes may not align with existing screws.
- Extremely easy installation and setup
- Reliable performance and peace of mind
- Loud and effective alarm
- Battery backup for power outages
- Low-battery chirp mimics smoke detector chirp
- Mounting holes may not align with older model screws
Expert Picks in Carbon Monoxide Detectors
- Kidde Smart Smoke + Carbon Monoxide Alarm — Best smart smoke alarm
- First Alert SC5 Hardwire Smart Smoke and CO Alarm — Works with Nest Protect units
- Kidde Ring Smart Smoke + Carbon Monoxide Alarm — Ring alarm users
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 What Most Homeowners Don’t Know About Carbon Monoxide Detectors — The DIY HVAC Guy
- 📹 Best Carbon Monoxide Detectors in 2026 — wiredtech
- 📹 7 Best Carbon Monoxide Detector 2026! Tested & Tried — Everything Under Control
Key Features
- ✦Electrochemical sensor technology detects CO gas
- ✦Easy installation, no wiring needed, detects during a power failure by operating on 2-AA batteries (included)
- ✦Conveniently designed & portable: simple to install on a wall of your home or place on a tabletop
- ✦Green LED indicates power to the smoke detector, while an 85-decibel alarm & a red LED indicates the presence of carbon monoxide
- ✦Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
Source: product listing on Amazon.
About Kidde
- 6 products in our database
- Average rating: 4.6/5 across all products
- Price range: $21.77 – $69.97
- Categories: Carbon Monoxide Detectors, Fire Extinguishers, Smoke Detectors
If not the Carbon Monoxide Detector, consider these
Featured in Our Reviews
Bottom Line
Kidde Carbon Monoxide Detector earns Mubboo Score A. Priced at $28 — a mid-range option, below the category average of $38. Rated 4.7/5 from 19,737+ reviews. Strong buy if: those who want a top-rated option, risk-averse buyers.
Frequently Asked Questions
Is the Kidde Carbon Monoxide Detector worth buying in 2026?
It earns a Mubboo Score of A, with a 4.7/5 rating from 19,737 reviews — better than 100% of Carbon Monoxide Detectors we track.
How much does the Kidde Carbon Monoxide Detector cost?
It is currently $27.79 — mid-tier pricing for Carbon Monoxide Detectors.
How does the Carbon Monoxide Detector compare to other Carbon Monoxide Detectors?
The category's most-reviewed alternative is the Kidde Carbon Monoxide Detector (4.7/5, 27,202 reviews, $43.97). The Carbon Monoxide Detector carries a Mubboo Score of A vs B+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-08-11) and may change.