A smart thermostat not only offers convenience (adjust temperatures by voice or app) but can also save you money by optimizing your HVAC usage. The best smart thermostats learn your schedule, provide energy-saving insights, and integrate with voice assistants. In 2025, there’s a clear trio to consider: Google’s Nest, Ecobee, and Amazon’s own thermostat for budget shoppers. All support at least one of the big ecosystems (some support all three).

Whether you want to keep an eye on pets, deter porch pirates, or just have peace of mind while away, a good security camera is essential. The best home security cameras of 2025 offer features like HD video, motion alerts, night vision, and easy smartphone access. We’ve picked options for indoor, outdoor, and budget needs. All these cameras support at least Alexa or Google Assistant (some even work with Apple HomeKit Secure Video).

Smart lighting can completely transform your home’s ambiance and convenience. From color-changing bulbs that set the mood for a party, to scheduling lamps to turn on at sunset, smart lights are one of the easiest upgrades. In 2025, there are options for every budget, from the feature-rich Philips Hue system to affordable Wi-Fi bulbs. All smart lights below work with at least one major voice assistant (Alexa or Google, and some with Apple HomeKit via Matter).

Smart speakers are the heart of many smart homes, providing voice control for devices and easy access to music, news, and more. The best choice depends on your preferred ecosystem – Alexa, Google Assistant, or Siri – and your budget.