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Smart Home Device

Google Nest Temperature sensor

1 source-linked failure report. Most reported: Sensor permanently fails connection after 7–8 years. Typical failure around 7.5 yr.

Reliability signal — · Insufficient data · data confidence Very Low

1 confirmed failure reports

Reliability summary

What is likely to go wrong, when it happens, and how expensive it can be — from source-linked failure reports. Counts are reports in our database, not a population failure rate.

Reliability signal

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1 confirmed failure report · Insufficient data · Data confidence: Very Low

Need at least 5 confirmed failure-signal reports before showing an A–F grade.

Most common issue: Sensor permanently fails connection after 7–8 years
Typical first failure: 7.5 yr; Median of confirmed reports with timing
Median repair cost: —; Reported costs only · market varies
Highest reported repair: —; Not a quote · costs differ by country

What breaks?

Failure types

Click a type in the reports section below to filter.

Sensor permanently fails connection after 7–8 years1 · 100%

When does it break?

Failure timing

Months after purchase, using reports that included timing.

What does it cost?

Reported repair costs

Distribution of owner-reported repair costs— not a quote or guarantee. Labor and parts prices vary by country.

No reported repair costs yet for this model.

Median months to failure

Failure reports

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Median repair cost

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Still recommend

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% repaired

% mfr warranty

% extended warranty

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% support helpful

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What breaks?

What breaks? · reports

Sensor permanently fails connection after 7–8 years

Wireless temp sensor

90 months

Forum / discussionIndexed Oct 5, 2026Source-linkedVerify source — Reddit post

Reddit r/Nest: Nest + sensors solid for 7–8 years; bedroom sensor lost connection. New batteries and re-add still fail connection tests; sensor reports ~32°F and won't reconnect even next to thermostat.

UnverifiedEvidence ★★★☆☆Not under mfr warranty

View report details

Months until failure

90 months

Repair cost

Not stated

Repaired

Manufacturer warranty

Extended warranty

Not stated

Support helpful

Not stated

Would recommend

Not stated

AI extraction confidence

90%

Verification status

Unverified

Evidence quality

★★★☆☆ (3/5)

Discussion

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