The short version: The Nest Thermostat (2020) is Google’s entry-level model — a plastic, mirrored-display thermostat that handles remote scheduling and basic smart control at $130–170, about half the price of the Nest Learning Thermostat. It skips auto-learning, HomeKit, and room sensors, but for a straightforward forced-air home that just wants app control and ENERGY STAR eligibility, it does the job.

Who It’s For

Works with central forced-air heating and cooling: gas furnaces, standard heat pumps, and central AC. It does not work with electric baseboard heat.

Best fit for:
– Renters and budget buyers who want basic smart control without paying Learning Thermostat prices
– Households already in the Google ecosystem (Nest cameras, Google Home speakers)
– Anyone who wants a simple, low-maintenance thermostat rather than one that actively “learns” and adjusts your schedule

Skip it if you want Apple HomeKit (not supported by any Nest model), room sensors (not available on this model), or auto-scheduling (this model requires manual schedule entry).

Design & Build

The Nest Thermostat comes in four colors — Snow, Charcoal, Fog, and Sand — with a 2.08-inch LCD display behind a satin-finish plastic face. It’s noticeably smaller and less premium-feeling than the metal-and-glass Learning Thermostat, and the touch controls are a swipe-based mirror strip along the edge rather than the Learning Thermostat’s rotating ring.

It does not use Farsight (the feature that lights up the Learning Thermostat’s display as you approach from across the room), so you generally need to be close to read it.

Setup & Compatibility

C-wire situation: No C-wire required in most homes — the Nest Thermostat uses power harvesting from your HVAC system to charge an internal battery. On a small number of systems, this causes brief “ghost calls” where the furnace or AC clicks on momentarily to recharge the thermostat; it’s harmless but can be a mild annoyance. If you do have a C-wire available, connecting it eliminates this entirely and is worth doing if you’re already inside the wall plate.

System compatibility: Works with single-stage gas furnaces, central AC, and standard heat pumps. It handles simpler systems well; multi-stage or dual-fuel setups are better served by the Learning Thermostat or a Ecobee model.

App setup: Setup runs through the Google Home app rather than the legacy Nest app, which has caused some confusion for buyers used to older Nest hardware — current purchases are fully set up in Google Home from the start.

App & Ecosystem

The Nest Thermostat supports manual scheduling and Google’s Savings Finder feature, which suggests schedule tweaks based on your usage rather than fully auto-learning like the Learning Thermostat.

Ecosystem support:
– Google Assistant / Google Home: Full native integration
– Amazon Alexa: Supported
– Apple HomeKit: Not supported on any current Nest model

Buyer feedback commonly flags the display as dim and hard to read in bright rooms, a complaint that traces back to the auto-brightness sensor being conservative by default — it can be adjusted, but isn’t obvious to first-time users. A handful of owners have also reported units arriving with temperature-reading issues out of the box, which is worth knowing if you’re buying open-box or heavily discounted stock — verify functionality within the return window.

What You Give Up Versus the Learning Thermostat

No auto-schedule learning, no Farsight, no room sensors, and a smaller, dimmer, non-color display. What you keep: remote app control, ENERGY STAR certification, Google Home integration, and no C-wire requirement. For a household that just wants “turn the heat down when I’m not home” functionality, that’s often enough.

Price & Value

Nest Thermostat (2020)
Price (USD) $130–170
Warranty 2 years
Subscription required No

Sold at Best Buy, Home Depot, Target, and Amazon. It’s frequently the cheapest ENERGY STAR-certified smart thermostat on the market, which keeps the net cost low after any utility rebate. See Smart Thermostat Rebate by State for what’s available in your area — specific dollar amounts vary too much by utility to generalize here.

Pros & Cons

Pros:
– Lowest-cost current Nest model
– No C-wire required in most homes
– ENERGY STAR certified
– Simple, low-maintenance operation
– Tight Google Home integration

Cons:
– Display reported as dim/hard to read by a number of buyers
– No auto-schedule learning — manual programming only
– No Apple HomeKit support
– No room sensors available
– Smaller, less premium display than the Learning Thermostat

Nest models compared: Nest Thermostat, Nest Learning Thermostat (3rd Gen), and Nest Learning Thermostat (4th Gen), with features, price, and rebate eligibility

The Recommendation

Buy the Nest Thermostat if you want basic smart thermostat features at the lowest Nest price point and you’re in the Google ecosystem. Adjust the display brightness manually after setup if you find it dim.

Step up to the Learning Thermostat if auto-scheduling, a larger color display, or room-sensor compatibility matter to you.

Consider Ecobee instead if you’re in the Apple ecosystem — no Nest model supports HomeKit. See Nest vs Ecobee: Which Should You Buy?

Frequently Asked Questions

Does the Nest Thermostat (2020) require a C-wire?
No. It uses power harvesting to charge an internal battery in most homes, though a small number of systems may experience brief “ghost calls” as a result.

Does it support Apple HomeKit?
No. No current Nest model supports HomeKit — Ecobee is the main alternative if that’s a requirement.

What’s the difference between the Nest Thermostat and the Nest Learning Thermostat?
The Nest Thermostat requires manual scheduling and has a smaller, simpler display. The Learning Thermostat observes your adjustments and programs itself, with a larger color display and Farsight activation, for roughly $100–150 more.

Why do some buyers say the display is hard to read?
The auto-brightness feature defaults conservatively and can appear dim in well-lit rooms. It can be adjusted in settings, but this isn’t obvious on first setup.

Is the Nest Thermostat ENERGY STAR certified?
Yes, and it’s typically the cheapest ENERGY STAR-certified thermostat Google sells, which helps with utility rebate eligibility.

Does the Nest Thermostat work with heat pumps?
Yes, for standard single-stage heat pump setups. More complex multi-stage or dual-fuel systems are better matched to the Learning Thermostat or an Ecobee model.