Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) Review
An editorial look at this Google option for programmable — specs first, marketing second. Key figures include 4, 31, 2.
- Nest’s smartest, most advanced thermostat yet, the Google Nest Learning Thermostat (4th gen) is a beautiful, brilliant way to save energy, keep your home comfortable, and help…
- Worth noting: savings you can count on: The Nest Learning Thermostat can help save up to 31% on heating and cooling bills [2]
- Designed around improved compatibility: It works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant, and no C wire is required for installation in most…
- Easy control in the Google Home app: Adjust on your phone from anywhere[1] or by using your voice with Alexa, Siri, or Google Assistant smart speaker[3], it’s easy to install…
- Key capability — beautiful design: With a 60% larger display[11] and Dynamic Farsight, you can see info from across the room[1]; choose the design, like a clock or the weather; it automatically…
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Pros
- Hub price snapshot around $239.99 (USD; check live Amazon pricing)
- Hub specs call out useful numbers such as 4, 31, 2
- Built for nest’s smartest, most advanced thermostat yet, the Google Nest Learning Thermostat (4th gen) is a beautiful, brilliant way to save energy, keep your h
- Listed availability at harvest: In Stock
- Built for savings you can count on: The Nest Learning Thermostat can help save up to 31% on heating and cooling bills [2]
Cons
- Live Amazon price, stock, and seller can change after the hub snapshot
- Open designs may need bins or liners for small items
- Editorial review uses listing specs — not an independent lab stress test
At a glance
An editorial look at this Google option for programmable — specs first, marketing second. Key figures include 4, 31, 2.
Our take: keep the Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) on your shortlist for programmable if 4, 31, 2, 24V, 5, 1, 3 align with how you will actually use it.
- Nest’s smartest, most advanced thermostat yet, the Google Nest Learning Thermostat (4th gen) is a beautiful, brilliant way to save energy, keep your home comfortable, and help…
- Worth noting: savings you can count on: The Nest Learning Thermostat can help save up to 31% on heating and cooling bills [2]
- Designed around improved compatibility: It works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant, and no C wire is required for installation in most…
- Easy control in the Google Home app: Adjust on your phone from anywhere[1] or by using your voice with Alexa, Siri, or Google Assistant smart speaker[3], it’s easy to install…
- Key capability — beautiful design: With a 60% larger display[11] and Dynamic Farsight, you can see info from across the room[1]; choose the design, like a clock or the weather; it automatically…
Product Specifications
- Brand
- Model
- CE911542
- Part #
- GA05551-US
- Color
- Polished Silver
- Size
- One Size
- Dimensions
- 0.043307 x 0.153543 x 0.153543 inches
- Weight
- 0.356708 pounds
- In the box
- 1
Our Review Approach
In this review, we evaluate the Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) as a programmable decision for readers of Big Home Improvements. The goal is practical: separate usable hub specs from packaging language so you can decide quickly.
At harvest, ProductHub showed availability as In Stock with a price snapshot near $239.99. Rank context: #2 in Programmable.
Feature language from the listing (rewritten in the hero bullets, preserved here for context) includes points such as: Nest’s smartest, most advanced thermostat yet, the Google Nest Learning Thermostat (4th gen) is a beautiful, brilliant way to save energy, keep your home comfortable, and help make sure your heating and cooling systems are running smoothly[; Savings you can count on: The Nest Learning Thermostat can help save up to 31% on heating and cooling bills [2]; Improved compatibility: It works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant, and no C wire is required for installation in most homes; visit the Nest Compatibility Checker for more info[5].
Who It Is For

This style of smart home & security suits shoppers who already know they need programmable coverage and want a Google option with transparent listing details.
It is a weaker match if you need a fully custom install, a different capacity class, or a feature the hub row simply does not list.
Specs That Matter

The specs table mirrors hub labels and values. Highlights include Brand: Google; Model: CE911542; Part #: GA05551-US; Color: Polished Silver; Size: One Size.
Because Big Home Improvements pages are meant to help you choose — not to invent capacity — any dimensions, weights, ranges, or pack counts in this article are copied from hub features/specs rather than guessed.
Translated into daily use, the standout listing claims still revolve around: Nest’s smartest, most advanced thermostat yet, the Google Nest Learning Thermostat (4th gen) is a beautiful, brilliant way to save energy, keep your home comfortable, and help make sure your heating and cooling systems a.
Trade-Offs and Limits

Trade-offs are normal in programmable. A design that wins on portability may give up enclosed storage; a long wireless claim may assume open line-of-sight; a high load rating usually assumes even distribution.
Our Storage Pick badge is editorial shorthand for “worth considering in this category,” not a guarantee for every floor plan, campsite, or property layout.
How It Compares
Against generic no-name alternatives, Google listings often win on clearer packaging and easier returns through Amazon — still read the live seller and fulfillment line.
Against premium ecosystems, this unit may look simpler. That can be a feature if you want fewer apps and more straightforward hardware.
Who Should Buy It
Buy the Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) if the hub numbers and feature set line up with your programmable job. Skip it if you need a capability the listing does not document.
Next step: use the buy box for the live Amazon offer (tag bighomeimprovements-20), then confirm price and stock before checkout.
Deeper Context
Price snapshots help with ballpark budgeting, but promotions, coupons, and seller changes can move the number quickly after the hub as_of timestamp.
Shoppers often bounce between similar ASINs that differ mainly by color or pack size; our import pipeline dedupes those variants so the review you are reading represents the stronger sales-rank snapshot.
One listing point worth translating into plain language: Please refer to the “Legal” section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.g., [1], [2], etc.). Notable figures in that claim include 1, 2.
One listing point worth translating into plain language: Savings you can count on: The Nest Learning Thermostat can help save up to 31% on heating and cooling bills [2]. Notable figures in that claim include 31, 2.
On the spec sheet, Model is listed as CE911542, which is the kind of concrete detail that should drive a buy/skip call.
When we compare programmable options, we start with footprint, install friction, and whether the listed capacities match a realistic home or field setup rather than a brochure photo.
On the spec sheet, Weight is listed as 0.356708 pounds, which is the kind of concrete detail that should drive a buy/skip call.
On the spec sheet, Size is listed as One Size, which is the kind of concrete detail that should drive a buy/skip call.
On the spec sheet, Dimensions is listed as 0.043307 x 0.153543 x 0.153543 inches, which is the kind of concrete detail that should drive a buy/skip call.
One listing point worth translating into plain language: Better visibility into adjustments: Asks for permission to make schedule changes to help you save energy; you’ll receive notifications in the Google Home app, and you can view and accept changes with a tap[1]. Notable figures in that claim include 1.
Category context matters: a strong programmable pick for one household layout can be the wrong shape for another. Use the specs table as the tie-breaker.
Because this review is anchored to ProductHub facts for Google, we keep invented dimensions out of the copy and only repeat numbers that already appear in features or specs.
Further Detail
One listing point worth translating into plain language: Manage hot and cold spots: It comes with the Nest Temperature Sensor (2nd gen) and works with any Nest Temperature Sensor; put a sensor in any room and use the Google Home app to set the temp it should reach at a certain.
On the spec sheet, Weight is listed as 0.356708 pounds, which is the kind of concrete detail that should drive a buy/skip call.
One listing point worth translating into plain language: Please refer to the “Legal” section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.g., [1], [2], etc.). Notable figures in that claim include 1, 2.
On the spec sheet, Dimensions is listed as 0.043307 x 0.153543 x 0.153543 inches, which is the kind of concrete detail that should drive a buy/skip call.
One listing point worth translating into plain language: New Adaptive Eco: It uses the temperature outside to help find an energy-saving temperature when you’re away and returns to a comfortable temperature within an hour of your return[1]. Notable figures in that claim include 1.
On the spec sheet, Model is listed as CE911542, which is the kind of concrete detail that should drive a buy/skip call.
The Bottom Line
Our take: keep the Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) on your shortlist for programmable if 4, 31, 2, 24V, 5, 1, 3 align with how you will actually use it. That is the practical case for this Storage Pick.
View on Amazon →As an Amazon Associate, Big Home Improvements earns from qualifying purchases.
Frequently Asked Questions
Is the Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) in stock?
ProductHub recorded availability as: In Stock. Always confirm stock on the live Amazon page before purchasing.
Who is this programmable product for?
Buyers who want a Google option in programmable and prefer documented specs over vague marketing claims.
What stands out about the Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen)?
The hub listing emphasizes 4, 31, 2, 24V, 5, 1, 3, 60, 11 within programmable, alongside Google branding and the feature set summarized in this review.



