Side-by-side reliability

Google Nest Thermostat vs Google Nest Learning Thermostat 4th gen

Compare reliability signal, data confidence, common failures, typical age, and reported repair cost. Warranty window reference: 60–60 months depending on category.

Model A

Google Nest Thermostat

Reliability signal — · Insufficient data · data confidence Very Low

3 failure reports · Insufficient data · Very Low confidence
Most common failure
Prior Nest failed with rising misread temperatures; replacement had bad mount plate
Typical failure age
2 mo
Median repair cost
—
Highest reported repair
—

Median months

2

% mfr warranty

—

After warranty reports

0

Avg repair cost

—

Top failure categories

  • Prior Nest failed with rising misread temperatures; replacement had bad mount plate1
  • Error codes within first week1
  • Excessive battery drain requiring frequent replacements1
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Model B

Google Nest Learning Thermostat 4th gen

Reliability signal — · Insufficient data · data confidence Very Low

1 failure reports · Insufficient data · Very Low confidence
Most common failure
Repeated warranty replacements for Eco-mode runaway
Typical failure age
11 mo
Median repair cost
—
Highest reported repair
—

Median months

11

% mfr warranty

100%

After warranty reports

0

Avg repair cost

—

Top failure categories

  • Repeated warranty replacements for Eco-mode runaway1
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