Smoke & CO Detectors · Head to head

Heiman HS1SA Series Smoke Alarm vs YoLink Photoelectric Smoke Alarm

Full Smart Smoke & CO Detectors comparison in 2026

Updated September 2026
Data from Amazon and official Heiman and YoLink sites.
2026 verdict
Heiman HS1SA Series Smoke Alarm beats YoLink Photoelectric Smoke Alarm in 2026, with its clearest edge on price, battery life, and Built-in light.
Its strongest advantages show up in price, battery life, and Built-in light, with its broader overall balance helping widen the gap. The only strong reason to choose YoLink Photoelectric Smoke Alarm is if rating and tests itself are more important to you than the overall verdict. For the average buyer, Heiman HS1SA Series Smoke Alarm is the safer choice.
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FeatureHeiman HS1SA Series Smoke AlarmYoLink Photoelectric Smoke AlarmWinner
Price£16.14$49.99Heiman HS1SA Series Smoke Alarm
Rating4.55.0YoLink Photoelectric Smoke Alarm
Battery Life10 years5 yearsHeiman HS1SA Series Smoke Alarm
Built-in LightYESNOHeiman HS1SA Series Smoke Alarm
Tests ItselfNOYESYoLink Photoelectric Smoke Alarm
ConnectivityZigbeeOtherTie
IntegrationsSamsung SmartThings, Home AssistantAlexa, Home AssistantTie
ScreenNONOTie
SensorsSmokeSmokeTie
AlertsFire Alerts, Low Battery AlertsFire Alerts, Low Battery AlertsTie
Built-in SirenYESYESTie
PathlightNONOTie

Frequently Asked Questions

Which is better overall: Heiman HS1SA Series Smoke Alarm or YoLink Photoelectric Smoke Alarm?

Heiman HS1SA Series Smoke Alarm has the stronger overall profile in this comparison, especially for price, battery life, and Built-in light.

What is the biggest difference between Heiman HS1SA Series Smoke Alarm and YoLink Photoelectric Smoke Alarm?

Price is one of the clearest differences: Heiman HS1SA Series Smoke Alarm lists £16.14, while YoLink Photoelectric Smoke Alarm lists $49.99.

Which one looks better on price?

Heiman HS1SA Series Smoke Alarm is listed at £16.14, while YoLink Photoelectric Smoke Alarm is listed at $49.99. Heiman HS1SA Series Smoke Alarm (better spec).

Who should buy Heiman HS1SA Series Smoke Alarm?

Choose Heiman HS1SA Series Smoke 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 19 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.

  • 19 Smoke & CO Detectors
  • 44 specs compared
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