CasaSmart guide
How to start your smart home in a Moldovan apartment: budgets, what to buy first, common pitfalls.
CasaSmart
A smart home doesn't begin with dozens of devices — it begins with one correct decision: what to buy first. In Moldova, where many flats and houses have wiring with no neutral wire at the switch box, congested Wi-Fi networks, and occasional power cuts, the order in which you buy matters more than the brand you pick. The goal of this guide is to help you start on a small budget without regretting it six months later, and without throwing away what you bought when you decide to expand.
The principle we recommend is local-first: your key devices should keep working when the internet drops, and the home's logic should run on a hub inside the house, not only in someone else's cloud. That means a central point of control (Home Assistant, for example), standard protocols like Zigbee, Matter or Thread, and products that integrate openly rather than only through the manufacturer's own app. In short: choose a few high-value pieces, wire them correctly, and only then grow the system.
CasaSmart is both a turnkey integrator and a shop, so we can supply the components and also install and configure them. This guide shows you the starting logic so you can make informed decisions yourself; and if you want, a free consultation helps adapt everything to your flat's layout, your electrical panel and your available budget.
TL;DR
Start with a local hub (Home Assistant, for example) and two or three high-value devices — a smart relay, a sensor and a lighting control. Choose standard protocols (Zigbee/Matter), think local-first, and expand gradually.
Step 1
Before any purchase, write down two or three concrete things you want to solve: the light that stays on, fear of water leaks, controlling the boiler in winter, or the hallway light coming on automatically at night. Each real scenario dictates which device you need and which protocol fits. The classic mistake is buying a trendy gadget and then looking for a use. Starting from the problem, you avoid duplicate purchases and know exactly what capability to demand from the hub. Note also where your electrical panel is and whether you have a neutral wire at the switches — these details change the choice.
Step 2
The hub is the piece that ties everything together and keeps automations running even without internet. We recommend Home Assistant because it's open, supports Zigbee, Matter, Thread and Wi-Fi in parallel, and doesn't lock you to a single manufacturer. It can run on a mini-PC or a dedicated device kept next to the router. The local-first advantage: lighting and security scenes keep working during an internet outage, which is common in some areas. If you prefer something simpler at first, a Zigbee hub from a compatible manufacturer works, but always check that it can export to an open system so you don't end up locked in.
Step 3
The best return on investment at the start is a smart relay fitted behind the switch or in the existing junction box. Unlike a smart bulb, the relay keeps the wall switch working and controls the circuit regardless of the light fixture type. Shelly, which we officially distribute, has models that work over both Wi-Fi and an open protocol, some with and some without a neutral wire — important in older Moldovan flats. With a single relay you can automate hallway lighting, the boiler pump or a socket. It's clean retrofit: no breaking walls and no rewiring.
Step 4
A system becomes smart only when it reacts on its own. The second logical step is sensors: motion, door/window opening, temperature-humidity and, very useful in Moldova, water-leak sensors next to the washing machine or boiler. Battery-powered Zigbee sensors are cheap, last a long time and need no wiring. With the hub, a motion sensor turns on the hallway light at low brightness at night; a water sensor automatically closes a valve or sends you an alert. Start with one or two sensors tied to a concrete scenario, so you understand the logic before covering the whole house.
Step 5
At the entry tier, a sensible kit is: a local hub, one smart relay and one sensor — enough for one real, fully working scenario. At the mid tier you add several relays across more circuits, a set of sensors around the house, climate control (a thermostat or boiler control) and perhaps a smart lock such as LOQED, which we officially distribute. We don't publish fixed prices here because they depend on models, stock and how much you install yourself versus with our team. The golden rule: invest more in the hub and the first quality relays, and save on decorative accessories. Expanding in stages is cheaper than redoing a poorly chosen system.
Step 6
You don't need to tear down walls to have a smart home. Most upgrades happen behind the switches and in junction boxes, using compact relays, plus battery devices and smart bulbs or sockets. The typical challenge in Moldova is the missing neutral at the switch; the solution is either a relay that works without a neutral, or a smart switch compatible with your wiring. For a new house or a major renovation, wired KNX can be justified, but for most flats, wireless retrofit with Zigbee and Wi-Fi is faster and cheaper. Always check the box depth and cable cross-section before ordering.
Step 7
Stability matters more than the number of devices. Give your router a clean Wi-Fi network: separate the 2.4 GHz band for devices, avoid channels that overlap with Zigbee, and don't pile everything onto Wi-Fi — this is exactly why Zigbee and Thread are useful, they offload the router. For power cuts, keep the hub and router on a small UPS so automations and alerts survive short interruptions. Battery devices keep sending data anyway. A local hub means that when power returns the home restores its correct state on its own, without waiting for a foreign cloud's servers. Document your passwords and network map in a safe place.
Step 8
Once the first scenario runs reliably for a few weeks, add the next zone: climate, security, blinds or consumption monitoring. The key is that every new device joins the same hub and is controlled from a single app, so you don't juggle five manufacturer apps. Prefer Matter when you have the choice, for future compatibility, and check before buying that the device integrates into Home Assistant, not only its own cloud. That way you build a coherent system instead of a collection of isolated gadgets. If you want to skip the trial and error, the CasaSmart team can design the expansion plan and install each stage.
The most common mistake is buying many cheap Wi-Fi devices from different brands, each with its own app and cloud, without a local hub to unite them. The result: a congested network, fragmented control, and everything dying when the internet drops. The second mistake is ignoring electrical details — a missing neutral at the switch or a box that's too shallow — and discovering the incompatibility only after ordering. Start from an open hub and standard protocols.
Start with a local hub plus a single smart relay fitted in the box of a circuit you use often — the hallway light or the boiler, for example. The relay gives the most benefit per leu spent, keeps the wall switch working and needs no renovation. Then add a sensor when you want your first real automation.
With a local-first approach, yes. A hub like Home Assistant keeps the logic inside the home, so scenes work without internet. For power cuts, a small UPS keeps the hub and router running for minutes to hours. Battery devices keep sending data, and when power returns the home restores its correct state on its own.
In most cases, yes. Compact relays fit behind switches and in junction boxes, and battery sensors need no wires. The typical challenge in Moldova is the missing neutral at the switch; there are relays that work without a neutral. KNX wiring is justified only for a new house or major renovation; for flats, wireless retrofit is the better fit.
Zigbee and Thread form their own low-power networks, offload the router and let battery devices last a long time. Wi-Fi suits a few high-traffic devices, but dozens of sensors on Wi-Fi congest the network. Matter is a new interoperability standard; choosing it raises the odds that devices from different manufacturers will cooperate in the future.
We're a turnkey integrator and a shop: we can supply the components and also install and configure them. A free consultation clarifies what you need for your flat's layout, electrical panel and budget. We can provide just the parts if you install yourself, or take on the design and installation in stages. The on-site visit and detailed design are paid services.
● CasaSmart · Chișinău
CasaSmart can configure the Home Assistant automation and test it on real devices.