Kidde Carbon Monoxide + Explosive Gas
Natural Gas & Propane Alarm, Plug-in with 9V Battery Backup, Digital Display, 85 dB Alarm, LED Status…
Price as of 2026-06-02. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Kidde loyalists — the brand spans 155 products in our database
- •Kidde Carbon Monoxide Detector offers a better rating (4.7/5) at a similar or lower price ($36)
- •Kidde Carbon Monoxide Detector — 58% cheaper at $24 (Score A)
- •Kidde Carbon Monoxide Detector — higher rated at 4.7/5 ($36)
📊 Based on data analysis of 53 products in this category.
Mubboo Score: B
How It Compares
This Product Kidde Carbon Monoxide + Explosive Gas | Most Popular Kidde Carbon Monoxide Detector | Best Rated First Alert Carbon Monoxide Detector | Best Value Kidde Carbon Monoxide Detector | |
|---|---|---|---|---|
| Price | $57.47 | $36 | $23.99 | $23.97 |
| Rating | 4.6/5 | 4.7/5 | 4.7/5 | 4.8/5 |
| Reviews | 451 | 35,752 | 22,830 | 1,338 |
| Mubboo Score | B | A+ | A+ | A |
Quick Specs
- Alarm
- Audible
- Color
- White
- Style
- 3rd Edition
- Manufacturer
- Kidde
- Model Number
- KN-COEG-3
- Power Source
- Plug In
- Product Style
- 3rd Edition
- Built-In Media
- 9V Battery Backup
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Choose a model with a digital display if you want to see real-time CO levels. Note that the low-battery chirp can be mistaken for a smoke detector, so test early; also remember these need replacement after 10 years.
- Plug-and-Play Installation
- Peace of Mind & Reliable Protection
- Battery Backup for Outages
- Loud Alarm for Safety
- Portable for Travel
- No Digital Display on Basic Units
- Low-Battery Chirp Resembles Smoke Detector
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
- ✦Easy Installation - simply plug-in to a standard, 120V outlet in your home
- ✦9-volt battery backup provides protection during a power outage
- ✦Digital LED display shows the level of carbon monoxide the CO alarm is sensing or states "GAS" when explosive gas is present
- ✦85-decibel alarm announces when carbon monoxide or explosive gas is detected
- ✦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
- 155 products in our database
- Average rating: 4.6/5 across all products
- Price range: $12.87 – $381.75
- Categories: Carbon Monoxide Detectors, Fire Extinguishers, Smoke Detectors
Other Carbon Monoxide Detectors
Bottom Line
Kidde Carbon Monoxide + Explosive Gas earns Mubboo Score B. Priced at $57 — a mid-range option, below the category average of $64. Rated 4.6/5 from 451+ reviews. Strong buy if: kidde loyalists. Skip if: kidde carbon monoxide detector offers a better rating (4.7/5) at a similar or lower price ($36) — Kidde Carbon Monoxide Detector (Score A+, $36) may fit better.
Frequently Asked Questions
Is the Kidde Carbon Monoxide + Explosive Gas worth buying in 2026?
It earns a Mubboo Score of B, with a 4.6/5 rating from 451 reviews — better than 60% of Carbon Monoxide Detectors we track.
How much does the Kidde Carbon Monoxide + Explosive Gas cost?
It is currently $57.47 — mid-tier pricing for Carbon Monoxide Detectors.
How does the Carbon Monoxide + Explosive Gas compare to other Carbon Monoxide Detectors?
The category's most-reviewed alternative is the Kidde Carbon Monoxide Detector (4.7/5, 35,752 reviews, $36). The Carbon Monoxide + Explosive Gas carries a Mubboo Score of B vs A+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-02) and may change.