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
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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 9 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.