Winner
Updated October 2026
Data from the official Heiman site.
2026 verdict
Heiman Matter Smoke Detector S1-M beats Heiman Matter Smoke Detector S1-TM in 2026, with its clearest edge on price and battery life.
Its biggest wins come from price and battery life, and its broader overall balance adds more confidence to the verdict. The only strong reason to choose Heiman Matter Smoke Detector S1-TM is if rating and sensors are more important to you than the overall verdict. For most setups, Heiman Matter Smoke Detector S1-M is the smarter buy.
Connectivity
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$49.98
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Connectivity
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| Feature | Heiman Matter Smoke Detector S1-M | Heiman Matter Smoke Detector S1-TM | Winner |
|---|---|---|---|
| Price | $39.99 | $44.98 | Heiman Matter Smoke Detector S1-M |
| Rating | 3.6 | 4.4 | Heiman Matter Smoke Detector S1-TM |
| Battery Life | 5 years | 3.5 years | Heiman Matter Smoke Detector S1-M |
| Sensors | Smoke | Smoke, Temperature, Humidity | Heiman Matter Smoke Detector S1-TM |
| Connectivity | Thread Protocol | Thread Protocol | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Screen | NO | NO | Tie |
| Alerts | Fire Alerts, Low Battery Alerts | Fire Alerts, Low Battery Alerts | Tie |
| Built-in Siren | YES | YES | Tie |
| Built-in Light | NO | NO | Tie |
| Tests Itself | YES | YES | Tie |
| Pathlight | NO | NO | Tie |
Winner
$39.99
- + Price: $39.99
- + Battery Life: 5 years
- - Rating: 3.6 vs 4.4
- - Sensors: Smoke vs Smoke, Temperature, Humidity
10% OFF
Prime exclusive deal$44.98
$49.98
- + Rating: 4.4
- + Sensors: Smoke, Temperature, Humidity
- - Price: $44.98 vs $39.99
- - Battery Life: 3.5 years vs 5 years
Frequently Asked Questions
Which is better overall: Heiman Matter Smoke Detector S1-M or Heiman Matter Smoke Detector S1-TM?
Heiman Matter Smoke Detector S1-M has the stronger overall profile in this comparison, especially for price and battery life.
What is the biggest difference between Heiman Matter Smoke Detector S1-M and Heiman Matter Smoke Detector S1-TM?
Price is one of the clearest differences: Heiman Matter Smoke Detector S1-M lists $39.99, while Heiman Matter Smoke Detector S1-TM lists $44.98.
Which one looks better on price?
Heiman Matter Smoke Detector S1-M is listed at $39.99, while Heiman Matter Smoke Detector S1-TM is listed at $44.98. Heiman Matter Smoke Detector S1-M (better spec).
Who should buy Heiman Matter Smoke Detector S1-M?
Choose Heiman Matter Smoke Detector S1-M if your priority is price and battery life and that matters more than rating.
Who should buy Heiman Matter Smoke Detector S1-TM?
Choose Heiman Matter Smoke Detector S1-TM if your priority is rating and sensors and that matters more than price.
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