Kidde Hardwired Carbon Monoxide Detector
with 9-Volt Battery Backup, 3 LED Indicators
Price as of 2026-06-02. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Budget-conscious shoppers — priced below 72% of Carbon Monoxide Detectors
- •Those who want a top-rated option — in the top 15% of Carbon Monoxide Detectors by rating
- •Kidde loyalists — the brand spans 155 products in our database
- •Kidde Carbon Monoxide Detector offers a better rating (4.8/5) at a similar or lower price ($24)
- •Kidde Carbon Monoxide Detector — 39% cheaper at $24 (Score A)
📊 Based on data analysis of 53 products in this category.
Mubboo Score: A-
How It Compares
This Product Kidde Hardwired Carbon Monoxide Detector | Most Popular Kidde Carbon Monoxide Detector | Best Rated First Alert Carbon Monoxide Detector | Best Value Kidde Carbon Monoxide Detector | |
|---|---|---|---|---|
| Price | $38.99 | $36 | $23.99 | $23.97 |
| Rating | 4.7/5 | 4.7/5 | 4.7/5 | 4.8/5 |
| Reviews | 1,383 | 35,752 | 22,830 | 1,338 |
| Mubboo Score | A- | A | A+ | A |
Quick Specs
- Alarm
- fire safety, electrochemical, wired, tamper-resistant
- Color
- No Finish
- Style
- Hardwired Carbon Monoxide Detector
- Unit Count
- 1.0 Count
- Item Weight
- 0.8 Pounds
- Sensor Type
- Electrochemical
- Manufacturer
- Kidde
- Model Number
- KN-COB-IC
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
- ✦Electrochemical sensor technology detects CO gas
- ✦Carbon monoxide alarm operates on a 120V wired power source with a 9-Volt alkaline battery backup (included)
- ✦An 85-decibel alarm sounds & a red LED indicates the CO detector is sensing poisonous carbon monoxide gas
- ✦Green LED indicates power to the carbon monoxide detector, while an 85-decibel alarm & a red LED indicates the presence of carbon monoxide
- ✦Interconnection capability: allows you to connect up to 24 Kidde smoke, heat, or CO alarms, with the possibly it interconnect 6 strobe lights or relay modules
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 Hardwired Carbon Monoxide Detector earns Mubboo Score A-. Priced at $39 — a budget-friendly option, below the category average of $64. Rated 4.7/5 from 1,383+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option. Skip if: kidde carbon monoxide detector offers a better rating (4.8/5) at a similar or lower price ($24) — Kidde Carbon Monoxide Detector (Score A, $36) may fit better.
Frequently Asked Questions
Is the Kidde Hardwired Carbon Monoxide Detector worth buying in 2026?
It earns a Mubboo Score of A-, with a 4.7/5 rating from 1,383 reviews — better than 85% of Carbon Monoxide Detectors we track.
How much does the Kidde Hardwired Carbon Monoxide Detector cost?
It is currently $38.99 — budget-tier pricing for Carbon Monoxide Detectors.
How does the Hardwired Carbon Monoxide Detector 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 Hardwired Carbon Monoxide Detector carries a Mubboo Score of A- 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.