Smoke & CO Detectors · Head to head

Heiman Smart CO Alarm vs YoLink Photoelectric Smoke Alarm

Full Smart Smoke & CO Detectors comparison in 2026

Updated October 2026
Data from Amazon and official Heiman and YoLink sites.
2026 verdict
Heiman Smart CO Alarm edges out YoLink Photoelectric Smoke Alarm in 2026, led by price, battery life, and integrations.
Heiman Smart CO Alarm
Winner
Heiman Smart CO Alarm
$47.99$59.9920% OFFPrime exclusive deal

Last recorded price

Buy on Amazon USA
The main reason it wins is price, battery life, and integrations, and Built-in light strengthens that case. YoLink Photoelectric Smoke Alarm remains a niche alternative if rating and tests itself matter more than the rest of the comparison. As a general recommendation, Heiman Smart CO Alarm comes out on top.
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FeatureHeiman Smart CO AlarmYoLink Photoelectric Smoke AlarmWinner
Price$47.99$49.99Heiman Smart CO Alarm
Rating3.75.0YoLink Photoelectric Smoke Alarm
Battery Life10 years5 yearsHeiman Smart CO Alarm
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterHome AssistantHeiman Smart CO Alarm
Built-in LightYESNOHeiman Smart CO Alarm
Tests ItselfNOYESYoLink Photoelectric Smoke Alarm
ConnectivityThread ProtocolOtherTie
ScreenNONOTie
SensorsCOSmokeTie
AlertsCO Alerts, Low Battery AlertsFire Alerts, Low Battery AlertsTie
Built-in SirenYESYESTie
PathlightNONOTie
Winner
Heiman

Heiman Smart CO Alarm

20% OFF
Prime exclusive deal
$47.99
$59.99

Last recorded price

Buy on Amazon USA
  • + Price: $47.99
  • + Battery Life: 10 years
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • - Rating: 3.7 vs 5.0
  • - Tests Itself: NO vs YES

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Heiman Smart CO Alarm
  • YoLink Photoelectric Smoke Alarm

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Frequently Asked Questions

Which is better overall: Heiman Smart CO Alarm or YoLink Photoelectric Smoke Alarm?

Heiman Smart CO Alarm has the stronger overall profile in this comparison, especially for price, battery life, and integrations.

What is the biggest difference between Heiman Smart CO Alarm and YoLink Photoelectric Smoke Alarm?

Price is one of the clearest differences: Heiman Smart CO Alarm lists $47.99, while YoLink Photoelectric Smoke Alarm lists $49.99.

Which one looks better on price?

Heiman Smart CO Alarm is listed at $47.99, while YoLink Photoelectric Smoke Alarm is listed at $49.99. Heiman Smart CO Alarm (better spec).

Who should buy Heiman Smart CO Alarm?

Choose Heiman Smart CO Alarm if your priority is price and battery life and that matters more than rating.

Who should buy YoLink Photoelectric Smoke Alarm?

Choose YoLink Photoelectric Smoke Alarm if your priority is rating and tests itself and that matters more than price.

Full comparison table

Compare all 25 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.

  • 25 Smoke & CO Detectors
  • 44 specs compared
  • 41 filters
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