The smart home category is the worst offender in consumer tech for offering things that are worse than the alternative. Smart toasters, smart kettles, smart mirrors, smart beds — most of these are products in search of a problem, with a phone app bolted on.
But underneath the landfill, a small set of smart home devices are quietly doing real work. They have crossed the threshold from "novelty" to "I cannot imagine my house without this." After living with all of them for at least six months, here is the current shortlist.
The reliable ones
Smart thermostats
The single highest-ROI smart home upgrade. A learning thermostat pays for itself in 12 to 18 months on heating and cooling costs, and the second-generation versions from Nest, Ecobee, and Tado are all stable.
The case for them is not the app control. It is the learning. After two weeks, a good thermostat knows when you are home, when you sleep, when you leave, and adjusts the temperature accordingly. The result is a house that is comfortable when you are there and not wasting energy when you are not.
If you rent, look for a model that does not require wiring (the Tado° Starter Kit works with any radiator valve, no professional install needed).
Smart lighting, with caveats
Smart bulbs are useful when they replace a hard-to-reach switch or get used on a schedule. They are not useful when they replace a switch you actually use every day.
The practical setup:
- Smart bulbs in lamps that are plugged into outlets you cannot easily reach
- Smart switches (not bulbs) in rooms where the wall switch controls everything
- Motion sensors in bathrooms, hallways, and closets
- Everything else left as a normal switch
Do not buy a starter kit with seventeen bulbs. The return on the third bulb is dramatically lower than the first.
Smart door locks
The first generation was unreliable and short on battery. The 2025 generation — Aqara, Schlage Encode, Yale Assure — is reliable, has physical key backup, and lasts a year on a charge.
The use case is not "look, my phone unlocked my door." It is the small number of high-leverage moments: letting a cleaner in without giving them a key, knowing whether the door is actually locked from bed, generating temporary access codes for guests.
Avoid the cheapest models on Amazon. They tend to be unreliable, and a smart lock that fails is worse than a normal lock that works.
Indoor cameras with local storage
The cloud-first doorbell and camera market (Ring, Nest, Arlo) has priced itself out of casual use. The 2026 alternative is local-first systems: Eufy, Reolink, Aqara, and the new HomeKit-native options.
The use case that has actually changed daily life: a video doorbell. Knowing who is at the door before answering, or who came while you were out, is the kind of small informational advantage that makes a home feel more under control.
Local storage avoids the subscription fees and the data-handling concerns of cloud-first systems.
Robot vacuums, finally
The 2025 generation of robot vacuums (Roborock, Dreame, Ecovacs) is the first that genuinely works. They map the house on first run, navigate without getting stuck, mop as well as they vacuum, and empty their own bins for weeks at a time.
The catch is the price — 600 to 1500 euros for the current generation. The time saved is real but small, and the value depends on whether you would otherwise be vacuuming several times a week.
If you have mostly hard floors and a child or pets, the math works. If you have mostly carpet and a tidy household, the math does not.
What to skip
Smart speakers as a primary control interface
Voice control is genuinely useful in two situations: hands are full, or you are across the room. It is not useful as the default way to interact with a home. Touch and physical switches are faster and more reliable for almost everything.
Buy a smart speaker if you want music and occasional voice queries. Do not buy one as the brain of your smart home.
Smart appliances
Smart fridges, smart ovens, smart washing machines — these are mostly ordinary appliances with a chip and an app. The features (run diagnostics from your phone, download recipes) do not justify the price premium and often stop working within five years when the company drops support.
Buy ordinary appliances from a reliable brand. Spend the smart home budget on the things that actually automate work.
Smart water leak detectors (unless you have had a leak)
If you have ever had a water leak, you already know how valuable these are. If you have not, they are solving a problem you are statistically unlikely to have. The 30-euro sensor is fine if it gives you peace of mind. It is not a must-buy.
The setup that works
For a typical apartment or small house:
- One smart thermostat (or radiator valves if you rent)
- Smart switches in the main living areas, smart bulbs in lamps
- A video doorbell with local storage
- One robot vacuum, if the math works for your floors
- A smart lock, eventually, when the current one wears out
Everything else is optional. The smart home does not need to be smart. It needs to remove small daily frictions. The list above does that. Most of what is sold in this category does not.