PC
“A smart upgrade path for any home with existing hardwired smoke detectors — the WiFi integration is reliable and the app is no-nonsense.”
Is the Kidde Smart Smoke + CO Detector worth it?
The Kidde Smart Smoke + CO Detector ($110) is recommended with a 8/10 consensus score across 9 expert reviews. Experts highlight hardwired interconnect with existing kidde detectors and wifi push notifications with no subscription. PCMag says: "A smart upgrade path for any home with existing hardwired smoke detectors — the ..." Best for: Homes with existing hardwired detectors, Alexa households, Multi-detector upgrades.
Recommended9 Expert Reviews
Kidde Smart Smoke + CO Detector
NM
Nicholas Miles · Editor-in-Chief & Methodology Owner
Smoke & CO
SHE ScoreAbove Average
SmartHomeExplorer proprietary rating
6.2/10
9 expert sources
Compatibility Breadth5/10
Setup Ease5.8/10
Reliability6.7/10
Value Rating8.5/10
Future-Proofing5/10
The Kidde Smart Smoke + CO Detector earns a SHE Score of 6.2/10, driven by strong value (8.5/10) with room to improve in future-proofing (5/10). Based on 9 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8/10 across 9 sources
Updated:“A smart upgrade path for any home with existing hardwired smoke detectors — the WiFi integration is reliable and the app is no-nonsense.”
Key Features
- ✓ WiFi connectivity
- ✓ Hardwired interconnect
- ✓ Alexa + Google Home
- ✓ Voice alarm
- ✓ No subscription
Best For
Homes with existing hardwired detectorsAlexa householdsMulti-detector upgrades
Kidde Smart Smoke + CO Detector vs. the alternatives
How the Kidde Smart Smoke + CO Detector stacks up against other Security options on price, expert consensus, and our proprietary SHE Score.
| Product | Price | Consensus | SHE Score | Works With | Verdict |
|---|---|---|---|---|---|
| Kidde Smart Smoke + CO DetectorThis page | $110 | 8/10 | 6.2/10 | Google Home, Amazon Alexa | Recommended |
| Google Nest Protect | $119 | 8.9/10 | 6.2/10 | major smart home platforms | Must Buy |
| First Alert Onelink | $120 | 8.3/10 | 6.3/10 | Amazon Alexa | Recommended |
| Kidde Smart Detect | $55 | 7.6/10 | 6.2/10 | major smart home platforms | Good Value |
The Kidde Smart Smoke + CO Detector ($110) earns a 8/10 expert consensus and a 6.2/10 SHE Score across 9 sources, versus the Eufy Security S330 Video Doorbell at $98.99 (8.7/10 consensus). It works with Google Home, Amazon Alexa.
What Experts Agree On
What Experts Love
- ✓ Hardwired interconnect with existing Kidde detectors
- ✓ WiFi push notifications with no subscription
- ✓ Alexa and Google Home voice status
- ✓ 85 dB voice alarm with hazard identification
- ✓ AA backup battery included
Common Criticisms
- ✗ Photoelectric sensor only — no split-spectrum detection
- ✗ Requires existing 120V hardwiring
What The Experts Say
TO
“The Kidde app is refreshingly simple — alerts, battery status, and test timestamps without menu bloat.”
Ready to buy the Kidde Smart Smoke + CO Detector?
Check Price on Amazon$110 · 9 expert sources · 8/10 consensus
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Frequently Asked Questions
Is the Kidde Smart Smoke + CO Detector worth it?
The Kidde Smart Smoke + CO Detector earns a 8/10 consensus score across 9 expert sources and is rated "Recommended". At $110, it is best for Homes with existing hardwired detectors. PCMag notes: "A smart upgrade path for any home with existing hardwired smoke detectors — the WiFi integration is reliable and the app is no-non..."
How much does the Kidde Smart Smoke + CO Detector cost?
The Kidde Smart Smoke + CO Detector is priced at $110. With a 8/10 score from 9 expert reviews and a "Recommended" rating, that price represents fair value relative to the ~7.5/10 average for Security products. Prices shift often, so check the live figure before buying.
Who is the Kidde Smart Smoke + CO Detector best for?
The Kidde Smart Smoke + CO Detector is best for Homes with existing hardwired detectors, Alexa households, Multi-detector upgrades. Experts rate it "Recommended" with a 8/10 consensus across 9 sources.
How does the Kidde Smart Smoke + CO Detector compare to other Security options?
Among the Security products we have aggregated, the Kidde Smart Smoke + CO Detector ranks above average with a 8/10 score. Tom's Guide adds: "The Kidde app is refreshingly simple — alerts, battery status, and test timestamps without menu bloat."
What smart home systems does the Kidde Smart Smoke + CO Detector work with?
The Kidde Smart Smoke + CO Detector works with Google Home, Amazon Alexa. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
Does the Kidde Smart Smoke + CO Detector need a hub or a subscription?
No mandatory subscription — the core features work without a monthly fee.
What are the best alternatives to the Kidde Smart Smoke + CO Detector?
If the Kidde Smart Smoke + CO Detector ($110, 8/10) is not the right fit, the closest alternatives in Security are Google Nest Protect (Battery), First Alert Onelink Safe & Sound. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Kidde Smart Smoke + CO Detector?
The main strengths of the Kidde Smart Smoke + CO Detector are hardwired interconnect with existing kidde detectors and wifi push notifications with no subscription. The most-cited downside is photoelectric sensor only — no split-spectrum detection. Overall, 9 expert sources rate it "Recommended" with a 8/10 consensus score.
Sources & Methodology
This review aggregates 2 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Expert review sources cited on this page:
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 9 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.
Independence notice: Smart Home Explorer is an independent publication. Kidde and other product names, logos, and brands referenced on this page are the property of their respective owners and are used for identification purposes only. This review is not sponsored by, affiliated with, or endorsed by Kidde or any other manufacturer named in this article.