Live nowPrime Day 2026October 6 to 7, 2026Starts in12d10h53m23sSee the deals
Smoke & CO Detectors · Head to head

Heiman Interconnected CO Alarm C1-R vs X-Sense WiFi Smoke & CO Detector

Full Smart Smoke & CO Detectors comparison in 2026

Data from Amazon and official Heiman and X-Sense sites.
2026 verdict
X-Sense WiFi Smoke & CO Detector has the better all-around case than Heiman Interconnected CO Alarm C1-R in 2026, starting with rating, screen, and sensors.
X-Sense WiFi Smoke & CO Detector
Winner
X-Sense WiFi Smoke & CO Detector
Buy on Amazon UKCheck price
Its clearest strengths are rating, screen, and sensors, and it still looks stronger on alerts and Built-in light. Pick Heiman Interconnected CO Alarm C1-R only when connectivity, integrations, and tests itself are the deciding factor for your setup. As a general recommendation, X-Sense WiFi Smoke & CO Detector comes out on top.
vs
Price alerts

Smoke & CO Detector prices change while you decide

We check the price of every Smoke & CO Detector in the catalog daily and email you the drops, whichever one you pick.

Smart home deals and news, straight to your inbox

Price drops, new releases and the smart home news worth knowing.

No spam. Unsubscribe in one click.

Your subscription could not be saved. Please try again.
Please enter a valid email address.
Your subscription has been successful.
FeatureHeiman Interconnected CO Alarm C1-RX-Sense WiFi Smoke & CO DetectorWinner
Rating4.04.5X-Sense WiFi Smoke & CO Detector
Connectivity2.4 GHz WiFi, Other2.4 GHz WiFiHeiman Interconnected CO Alarm C1-R
IntegrationsGoogle Home, Samsung SmartThings, Home AssistantHome AssistantHeiman Interconnected CO Alarm C1-R
ScreenNOYESX-Sense WiFi Smoke & CO Detector
SensorsCOSmoke, COX-Sense WiFi Smoke & CO Detector
AlertsCO Alerts, Low Battery AlertsFire Alerts, CO Alerts, Low Battery AlertsX-Sense WiFi Smoke & CO Detector
Built-in LightNOYESX-Sense WiFi Smoke & CO Detector
Tests ItselfYESNOHeiman Interconnected CO Alarm C1-R
Built-in SirenYESYESTie
PathlightNONOTie
Steam CheckNONOTie

Frequently Asked Questions

Which is better overall: Heiman Interconnected CO Alarm C1-R or X-Sense WiFi Smoke & CO Detector?

X-Sense WiFi Smoke & CO Detector has the stronger overall profile in this comparison, especially for rating, screen, and sensors.

What is the biggest difference between Heiman Interconnected CO Alarm C1-R and X-Sense WiFi Smoke & CO Detector?

Rating is one of the clearest differences: Heiman Interconnected CO Alarm C1-R lists 4.0, while X-Sense WiFi Smoke & CO Detector lists 4.5.

Who should buy Heiman Interconnected CO Alarm C1-R?

Choose Heiman Interconnected CO Alarm C1-R if your priority is connectivity and integrations and that matters more than rating.

Who should buy X-Sense WiFi Smoke & CO Detector?

Choose X-Sense WiFi Smoke & CO Detector if your priority is rating and screen and that matters more than connectivity.

Full comparison table

Compare all 24 Smoke & CO Detectors side by side

You are looking at two of them. The full table lines up all Smoke & CO Detectors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 24 Smoke & CO Detectors
  • 44 specs compared
  • 41 filters
Open the full comparison
More Smoke & CO Detectors

Top Smoke & CO Detectors to compare next

24 smart smoke and CO detectors from 8 brands compared: X-Sense, First Alert, Kidde, Google Nest and more. Sensor types, interlink and alerts.

All Smoke & CO Detectors
Heiman

More Heiman products

A sharper look at other Heiman products worth comparing.

Explore Heiman
X-Sense

More X-Sense products

A sharper look at other X-Sense products worth comparing.

Explore X-Sense
Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.
© 2026 Smart Home Compared
Search