Smart Home Devices

A smart home almost never starts with a grand plan — it starts with one gadget that turns out to be genuinely useful, and then a second. The trick is buying the right first pieces and understanding how they talk to each other, so you build up a system that grows instead of a drawer of apps that don’t. This hub is the map: the categories that matter, the order to buy them in, and the one thing the marketing rarely mentions — how much the whole setup costs you to run once the box is open.

Start with two things: a speaker and a plug

If you buy nothing else, buy a small smart speaker and a smart plug. The speaker — an Amazon Echo Dot, a Google Nest speaker, or an Apple HomePod mini — is how you say “turn off the lamp” out loud, and on most platforms it doubles as a basic controller for other devices, so it earns its keep twice. The plug is the cheapest way to make something “dumb” smart: put a lamp, a fan, or the coffee maker on a smart plug and suddenly it’s on a schedule and answers to your voice, with no wiring and no risk. Between them these two devices teach you the whole pattern — voice, app, schedule, automation — for the price of a takeout dinner. Our best smart home devices roundup walks through exactly what to add after those first two, and the beginner’s guidelays out the ecosystem-first path so you don’t paint yourself into a corner.

The main device categories

Four categories cover most of what people actually put in a home. Speakers and hubsare the brain — they run your voice assistant and, in many cases, act as the controller that other gadgets connect through. Smart plugs are the gateway drug: cheap, hub-free, and the fastest way to automate anything that plugs into a wall. Smart bulbs add lighting you can dim, schedule, and set to warm or cool white (or full color), either as simple Wi-Fi bulbs or as a more robust bridge-based system. And thermostats are the one category that can pay for itself, since heating and cooling is the biggest energy line in most homes. Each has its own deep-dive: the smart thermostat picks compare the mainstream models on ecosystem and wiring, and the affordable picks show how far a budget stretches if you shop carefully.

No-hub Wi-Fi devices vs hub-based systems

This is the fork in the road most beginners hit without noticing. Many devices — smart plugs, most budget bulbs, Wi-Fi thermostats — connect straight to your home Wi-Fi and need no hub at all. You open an app, connect the device, and you’re done. That’s the simplest possible start and it’s the right call for a handful of gadgets. The trade-off shows up at scale: a couple dozen Wi-Fi devices all fighting for the same router can get flaky. That’s where hub-based systems earn their place. Philips Hue bulbs, for example, run on Zigbee through a small bridge rather than on Wi-Fi, which keeps them responsive when you have a lot of them and takes the load off your network. The good news is you don’t have to choose forever — Matter, the newer cross-brand standard, is designed to let Wi-Fi and hub-based devices live under one roof. If you’re weighing an ecosystem, the hubs and ecosystems hub is the place to start.

Keeping the running cost near zero

Here’s the part the sticker price hides: most of the devices in this section have no monthly fee at all. A smart plug, a bulb, a thermostat, a speaker — you buy them once and run them for free. The recurring bills in a smart home come mostly from cameras and alarm monitoring, not from the everyday gadgets here, so a plugs-and-bulbs setup can be genuinely “buy once, pay nothing.” The two costs worth watching are trivial electricity draw (a plug or a bulb sipping standby power) and the occasional device that tries to upsell you a cloud plan you don’t need. We flag any of that on every product, and the smart home running-cost guide lays out the real yearly math — and how to keep it close to zero. Below, every category leads with the facts that decide it, then the picks, each with a live price and a one-click buy link.