Heiman HS1SA Series Smoke Alarm vs Matter Smoke Detector S1-M

Data from Amazon and official Heiman site.

2026 verdict

For most buyers in 2026, Heiman HS1SA Series Smoke Alarm is the safer pick over Heiman Matter Smoke Detector S1-M because of price, rating, and battery life.

Winner

Heiman HS1SA Series Smoke Alarm

£16.14£16.995% OFF

Buy on Amazon UK

Its clearest strengths are price, rating, and battery life, and it still looks stronger on Built-in light. There is still a case for Heiman Matter Smoke Detector S1-M, but mainly if integrations, tests itself, and steam check are what you value most. For the average buyer, Heiman HS1SA Series Smoke Alarm is the safer choice.

Winner

Heiman

Heiman HS1SA Series Smoke Alarm

5% OFF

£16.14

£16.99

Buy on Amazon UK

Heiman

Heiman Matter Smoke Detector S1-M

$39.99

Buy on Amazon USA

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Feature	Heiman HS1SA Series Smoke Alarm	Heiman Matter Smoke Detector S1-M	Winner
Price	£16.14	$39.99	Heiman HS1SA Series Smoke Alarm
Rating	4.5	3.6	Heiman HS1SA Series Smoke Alarm
Battery Life	10 years	5 years	Heiman HS1SA Series Smoke Alarm
Integrations	Samsung SmartThings, Home Assistant	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Heiman Matter Smoke Detector S1-M
Built-in Light	YES	NO	Heiman HS1SA Series Smoke Alarm
Tests Itself	NO	YES	Heiman Matter Smoke Detector S1-M
Steam Check	NO	YES	Heiman Matter Smoke Detector S1-M
Connectivity	Zigbee	Thread Protocol	Tie
Screen	NO	NO	Tie
Sensors	Smoke	Smoke	Tie
Alerts	Fire Alerts, Low Battery Alerts	Fire Alerts, Low Battery Alerts	Tie
Built-in Siren	YES	YES	Tie

Winner

Heiman

Heiman HS1SA Series Smoke Alarm

5% OFF

£16.14

£16.99

Buy on Amazon UK

+ Price: £16.14
+ Rating: 4.5
+ Battery Life: 10 years
- Integrations: Samsung SmartThings, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- Tests Itself: NO vs YES

Heiman

Heiman Matter Smoke Detector S1-M

$39.99

Buy on Amazon USA

+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
+ Tests Itself: YES
+ Steam Check: YES
- Price: $39.99 vs £16.14
- Rating: 3.6 vs 4.5

Frequently Asked Questions

Which is better overall: Heiman HS1SA Series Smoke Alarm or Heiman Matter Smoke Detector S1-M?

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

What is the biggest difference between Heiman HS1SA Series Smoke Alarm and Heiman Matter Smoke Detector S1-M?

Price is one of the clearest differences: Heiman HS1SA Series Smoke Alarm lists £16.14, while Heiman Matter Smoke Detector S1-M lists $39.99.

Which one looks better on price?

Heiman HS1SA Series Smoke Alarm is listed at £16.14, while Heiman Matter Smoke Detector S1-M is listed at $39.99. 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 rating and that matters more than integrations.

Who should buy Heiman Matter Smoke Detector S1-M?

Choose Heiman Matter Smoke Detector S1-M if your priority is integrations and tests itself and that matters more than price.

Full comparison table

Compare all 19 Smoke & CO Detectors side by side

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