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Smoke alarms product notes

Comparison-ready notes for smoke alarms with a local-first bias, strong Home Assistant weighting, and honest ecosystem caveats.

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Aeotec SmokeShield (ZWA050) - a Z-Wave 800-series / Long Range retrofit shield that snaps onto Ei Electronics 10-year smoke and heat
budget price band

Aeotec SmokeShield (ZWA050)

Aeotec · local control: excellent · cloud: none

  • HA: excellent
  • Setup: intermediate
  • Protocols: z-wave
  • Best for: Ei Electronics alarm owners wanting local Z-Wave fire alerts
Check price at Aeotec ↗ Product notes →
Ecolink FireFighter FF-ZWAVE5-ECO - a Z-Wave audio sensor that listens for your existing UL-listed smoke/CO alarms' T3/T4 patterns
budget price band

Ecolink FireFighter FF-ZWAVE5-ECO

Ecolink · local control: excellent · cloud: none

  • HA: excellent
  • Setup: intermediate
  • Protocols: z-wave
  • Best for: Homes with existing interconnected smoke/CO alarms wanting local HA alerts
Check price at Amazon ↗ * Product notes →
First Alert ZCOMBO-G Z-Wave combination smoke and carbon monoxide alarm
mid price band

First Alert ZCOMBO-G Z-Wave Smoke/CO Alarm

First Alert · local control: excellent · cloud: none

  • HA: good
  • Setup: moderate
  • Protocols: z-wave
  • Best for: Home Assistant users who want local smart smoke and CO alerts for automations
Check price at Amazon ↗ * Product notes →
frient Intelligent Heat Alarm (HESZB-120) - a Zigbee heat alarm that triggers on rapid temperature rise (not dust or steam), reporting locally
mid price band

frient Intelligent Heat Alarm (HESZB-120)

frient · local control: excellent · cloud: none

  • HA: excellent
  • Setup: intermediate
  • Protocols: zigbee
  • Best for: Kitchens, garages and attics where smoke detectors false-trigger
Check price at Frient ↗ Product notes →
frient Intelligent Smoke Alarm Zigbee smoke detector
mid price band

frient Intelligent Smoke Alarm

frient · local control: excellent · cloud: none

  • HA: good
  • Setup: easy
  • Protocols: zigbee
  • Best for: Home Assistant users who want smoke detection integrated into their automations
Check price at Frient ↗ Product notes →
Google Nest Protect Smoke + CO Alarm — Wireless interconnect with voice alerts that tell you the type
premium price band

Google Nest Protect Smoke + CO Alarm

Google · local control: poor · cloud: high

  • HA: fair
  • Setup: easy
  • Protocols: wifi
  • Best for: existing Nest Protect owners who want to surface alerts in Home Assistant via the community integration
Check price at Amazon ↗ * Product notes →
Heiman Smart Carbon Monoxide Alarm Matter over Thread
mid price band

Heiman Smart Carbon Monoxide Alarm

Heiman · local control: excellent · cloud: none

  • HA: good
  • Setup: easy
  • Protocols: matter, thread
  • Best for: users who want a cross-platform smart CO alarm with local-only operation
Check price at Heimantech ↗ Product notes →
Heiman Smart Smoke Alarm Matter over Thread
mid price band

Heiman Smart Smoke Alarm

Heiman · local control: excellent · cloud: none

  • HA: good
  • Setup: easy
  • Protocols: matter, thread
  • Best for: users who want a cross-platform smart smoke alarm that works with any Matter controller
Check price at Heimantech ↗ Product notes →
Kidde Smart Smoke and CO alarm with WiFi connectivity
mid price band

Kidde Smart Smoke + CO Alarm

Kidde · local control: poor · cloud: high

  • HA: poor
  • Setup: easy
  • Protocols: wifi
  • Best for: homeowners who want interconnected smart smoke alarms with phone notifications
Check price at Kidde ↗ Product notes →
X-Sense Smart Wi-Fi Smoke Alarm (SBS50 base) - a polished interconnected 10-year sealed-battery smoke alarm line whose only Home Assistant path
mid price band

X-Sense Smart Wi-Fi Smoke Alarm (SBS50 base)

X-Sense · local control: poor · cloud: high

  • HA: poor
  • Setup: intermediate
  • Protocols: wifi, rf
  • Best for: Users already invested in X-Sense who accept cloud reliance for HA visibility
Check price at X-sense ↗ Product notes →
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