Side-by-side reliability

Kidde P4010ACS vs Google Nest Learning Thermostat (4th Gen)

Compare reliability signal, data confidence, common failures, typical age, and reported repair cost. Warranty window reference: 12–12 months depending on category.

Compare up to four products →

Model A

Kidde P4010ACS

Reliability signal C · Early signal · data confidence Low

10 failure reports · Early signal · Low confidence
Most common failure
Fire / ignition
Typical failure age
2.2 yr
Median repair cost
—
Highest reported repair
—

Median months

26

% mfr warranty

—

After warranty reports

5

Avg repair cost

—

Top failure categories

  • Fire / ignition6
  • Overheating4
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Model B

Google Nest Learning Thermostat (4th Gen)

Reliability signal — · Early signal · data confidence Low

9 failure reports · Early signal · Low confidence
Most common failure
Wi-Fi connection failure / firmware issue
Typical failure age
0.5 mo
Median repair cost
$170
Highest reported repair
$220

Median months

0.5

% mfr warranty

75%

After warranty reports

0

Avg repair cost

$170

Top failure categories

  • Wi-Fi connection failure / firmware issue1
  • Wi-Fi connectivity failed within five months1
  • Repeated Wi-Fi / total failures across replacements1
  • Thermostat fault kept fan running without cooling1
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