Smart Home Planning: A DIY Method on Paper
Before you buy anything, plan it on paper first — what each room should actually do, whether wired or wireless suits your home, and which controller will run it.
The planning method — 4 steps
Walk each room and write down scenarios
Go room by room and note what you want automated there — lighting, climate, security, blinds, maybe energy monitoring. Start from what you want, not from devices.
Weigh wired vs wireless for your specific home
In a new build or after a full renovation, a wired bus system (like KNX) is easier to consider, since cabling can go in during construction. In an existing home, wireless ecosystems (Zigbee, Z-Wave, Wi-Fi) usually install without opening walls. A hybrid approach — wired backbone for core functions, wireless for flexible points — is often practical.
Plan topology and device roles
On paper, decide where the hub/controller sits, how the backbone (wired network or wireless mesh) reaches each zone, and what role each device plays — sensor, actuator, controller, gateway. Review this together with your electrician early.
Choose a controller and phase the project
Decide between an open controller (like Home Assistant), which takes more hands-on setup, or a simpler ready-made system. Break the project into phases — core safety and a couple of comfort scenarios first, full lighting/climate control later — and plan the actual scope and budget with an integrator or supplier.
What's worth knowing before you plan
Planning happens BEFORE you shop
A plan on paper is cheap to change. A plan you only discover after buying devices or closing up walls is expensive — or impossible — to fix.
Start from goals, not devices
Write down what the home should do day to day — lighting scenes, room- or schedule-based climate control, security, blinds, maybe energy management — before you look at any hardware.
Wired vs wireless — an honest tradeoff, not better/worse
Wired systems offer very high long-term reliability with no radio interference, but need conduits planned in advance. Wireless systems install with less disruption but depend on radio coverage, batteries, and sometimes a hub.
The ecosystem/controller choice is separate
Wired or wireless doesn't decide who controls it. An open, local-first controller (like Home Assistant) gives flexibility and can bridge multiple protocols, at the cost of more setup involvement. A single-vendor ecosystem (a KNX controller, Loxone Miniserver, a consumer hub) can be simpler to run, but ties you more closely to that vendor.
Coordinate with the electrical plan early
Spare conduits for low-voltage/bus cabling, and pulling a neutral wire to switch positions (many smart switches need it, even where a traditional switch doesn't), need to be agreed with your electrician BEFORE walls close — cheap now, expensive or impossible later.
Leave headroom, but don't invent the future
Spare conduits and a documented plan give you flexibility later. Matter/Thread is still maturing — it improves compatibility for some device classes, but doesn't yet replace a careful ecosystem choice. Actual prices and device counts always depend on your specific project.
What's included — consultation and store
smarteg.lv helps you plan the project on paper and stocks devices for whichever ecosystem you choose — wired or wireless.
- {'t': 'Room-and-scenario planning consultation', 'd': 'We help turn your everyday wishes into a structured plan before any device gets chosen.'}
- {'t': 'Wired vs wireless assessment for your home', 'd': 'An honest read on what suits a new build or renovation, what suits an existing home, and where a hybrid makes sense.'}
- {'t': 'Controller and ecosystem guidance', 'd': 'Advice on whether an open controller (like Home Assistant) or a simpler ready-made system fits how much you want to self-manage.'}
- {'t': 'Devices for both wired and wireless ecosystems', 'd': 'The store carries devices for KNX-type systems as well as Zigbee/Z-Wave/Wi-Fi/Matter ecosystems.'}
- {'t': 'Guides for your next step', 'd': 'Articles on KNX vs Zigbee/Wi-Fi and on planning your own electrical wiring — mapping rooms to devices to circuits on paper.'}
Frequently asked questions
Do I need to understand every technology before I start planning?
No. Start with what the home should do — the rest (wired or wireless, which controller) follows from whether your home is new-build or existing, and how much you want to manage yourself.
Do I have to choose KNX if I'm building new?
Not necessarily, but a new build or full renovation makes a wired system easier and cheaper to consider, since cabling goes in during construction. Budget and goals still shape the final choice.
Is Home Assistant better than a ready-made system?
Not 'better' in general — it's more flexible and can bridge multiple brands, but takes more of your own time to set up and maintain. A single-vendor ready system can be simpler but ties you more closely to that vendor.
Does Matter solve compatibility for good?
Not yet. Matter improves interoperability for some device classes, but it's still maturing — careful ecosystem choice for each function still matters.
What if I rent, or can't touch the walls?
Wireless is usually your realistic option — it installs without opening walls. The planning method (rooms -> scenarios -> ecosystem) stays the same.
Ready to plan your project?
Book a consultation and plan your smart home on paper before you start buying devices.