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Electronics

Nest Model Name: 2nd Generation

1 source-linked failure report. Most reported: Fire / ignition. Typical failure around 2 mo.

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
Fire / ignition
Typical first failure
2 mo
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.

  • Fire / ignition1 · 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

2

Failure reports

1

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Median repair cost

—

Still recommend

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% repaired

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% mfr warranty

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% extended warranty

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% support helpful

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What breaks?

What breaks? · reports

Fire / ignition

Fire or Smoke Alarms (702)

2 months

Government / agencyIndexed Oct 16, 2026Source-linkedVerify source — SaferProducts.gov incident

SaferProducts.gov consumer incident report 20180323-F2651-1745784. Severity: Injury, No First Aid or Medical Attention Received. Product: Nest Model Name: 2nd Generation (Smoke and Carbon Monoxide Detector - Nest Protect Smoke and Carbon Monoxide Battery). Incident: The consumer states that there was a fire in her home however the smoke and carbon monoxide detector did not alert her or her family of said fire. The consumer notes that the smoke detector is also supposed to send an alert to 1) the consumer's cell phone, 2) the consumer's friend's cell phone, and 3) the Manufacturer however not one party received the alert. The consumer indicates that her mother inhaled smoke, which aggravated her condition as she has medical illnesses. The consumer states that the fire was caused by a carpet that began smoldering and eventually caught fire. The consumer notes that the other smoke detectors in her home worked. The consumer contacted the Manufacturer and explained the situation; the representative she spoke with informed her that the smoke and CO detector must have had a faulty sensor, and so they would provide a replacement unit, which the consumer has since received. The consumer plans on keeping her unit for at least the next thirty days in case an investigation ensues.

UnverifiedEvidence ★★★★☆
View report details

Months until failure

2 months

Repair cost

Not stated

Repaired

Not stated

Manufacturer warranty

Not stated

Extended warranty

Not stated

Support helpful

Not stated

Would recommend

Not stated

AI extraction confidence

88%

Verification status

Unverified

Evidence quality

★★★★☆ (4/5)

Discussion

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