Amazon Smart Thermostat Review: Is It Worth It in 2025?

The Amazon Smart Thermostat is one of the most affordable Wi-Fi thermostats on the market, and it’s a surprisingly capable device for the price. If you’ve been thinking about upgrading your home’s HVAC control without spending $250 on a Nest or Ecobee, this thermostat deserves a serious look. We’ve been running it through its paces in a Florida home — where the AC runs almost year-round — and here’s everything you need to know.

What Is the Amazon Smart Thermostat?

Released in partnership with Resideo (the company behind Honeywell Home), the Amazon Smart Thermostat is a budget-friendly Wi-Fi thermostat that connects directly to Alexa. It retails around $59–$79 and frequently goes on sale, making it one of the cheapest smart thermostats with a solid feature set.

It’s not a learning thermostat. It won’t automatically figure out your schedule the way a Nest does. But it does offer:

• Wi-Fi connectivity and remote control via the Alexa app
• Alexa voice control
• Schedule programming (weekly schedules)
• Hunches integration — Alexa can adjust temps based on your routine
• Energy efficiency tips in the Alexa app

Setup and Installation

What You’ll Need

Before buying, check that your existing HVAC system is compatible. The Amazon Smart Thermostat works with most 24V systems, including:

• Central air and heat
• Heat pumps (with or without auxiliary heat)
• Single-stage and multi-stage systems

It does not work with millivolt systems, electric baseboard heat, or high-voltage systems.

The Installation Process

Installation takes about 20–30 minutes for most people comfortable with basic home tasks. The app walks you through a step-by-step guide that includes identifying your wiring and connecting the terminals. The thermostat has a built-in C-wire adapter, which solves one of the biggest compatibility headaches with older homes — a real plus if your home was built before smart thermostats became common.

Here in Florida, most homes have a standard heat pump setup, and the thermostat handled it without issue. The wiring labels are clearly marked, and the included screws and wall plate make for a clean installation.

Features and Performance

App and Voice Control

The Amazon Smart Thermostat is managed primarily through the Alexa app, not a dedicated thermostat app. That’s either a pro or a con depending on how invested you are in the Amazon ecosystem. If you already use Alexa for other smart home devices, the experience is seamless. You can:

• Set the temperature remotely
• Create schedules by day and time
• Enable “Vacation Mode” to hold a setback temperature
• View energy reports and usage history

Voice control is where this thermostat really shines. “Alexa, set the thermostat to 74 degrees” works instantly and reliably. For families where everyone has different preferences, this hands-free control is genuinely useful.

Alexa Hunches

One underrated feature is Alexa Hunches. If Alexa notices you’ve gone to bed (based on your routine and connected devices), it can automatically set the thermostat to your sleep temperature. It’s not as sophisticated as the learning algorithms in Nest or Ecobee, but it’s a clever workaround that works better than you’d expect.

Energy Savings

Amazon claims the thermostat can help reduce energy use through scheduled programming and Alexa Hunches. In practice, the savings depend entirely on how you use it. If you were previously running your AC at full blast 24/7 — common in Florida summers — programming a setback when you’re at work will absolutely save money. The Alexa app’s energy dashboard shows daily and monthly usage trends, which helps you understand your patterns.

What’s Missing

The Amazon Smart Thermostat is a capable budget device, but it has real limitations:

• No touchscreen — the display is a simple LCD; you press buttons to adjust
• No built-in learning — you must program schedules manually
• Alexa-only ecosystem — no Google Home or Apple HomeKit support
• Basic display — less polished than Nest or Ecobee hardware
• No room sensors — can’t account for hot or cold spots in your home

If you’re a Google Home or HomeKit household, this thermostat won’t work for you. It’s firmly in the Amazon ecosystem.

Who Should Buy the Amazon Smart Thermostat?

This thermostat is an excellent choice if you:

• Already own Echo devices and use Alexa regularly
• Want a significant upgrade from a manual or programmable thermostat on a budget
• Have a compatible HVAC system and want Wi-Fi control without a big investment
• Live in a region with high cooling or heating costs where scheduling can make a real difference

For Florida homeowners specifically, the ability to set a higher setback temperature while you’re at work — and have the house cooled down before you arrive home — pays for the device quickly.

Final Verdict

The Amazon Smart Thermostat delivers solid value at its price point. It’s not the smartest or most feature-rich thermostat available, but for under $80 it gives you reliable Wi-Fi control, great Alexa integration, and meaningful energy savings potential. If you’re an Alexa household looking for an affordable entry into smart thermostats, it’s hard to beat.

Rating: 4/5 — Best budget smart thermostat for Alexa users.