Climate control · Exact-model record

Google Nest Learning Thermostat (4th gen), Polished Silver

GA05551-US

Last source check: July 22, 2026 · US market

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Source-backed record

What is verified for this exact model.

Included

One Nest Temperature Sensor (2nd gen) is included

Power

Works with most 24 V systems; a C wire or Nest Power Connector may still be required in some homes

Warranty

Two-year limited warranty for retail purchases

Evidence limits

GA05551-US is the polished-silver ENERGY STAR family member. The local image is Google's exact fourth-generation polished-silver thermostat packshot.