If you have searched for "KNX cost" in English, you have probably found ranges from 2,000 EUR ("just buy MDT actuators") to 80,000 EUR ("full Crestron-rivalling premium setup"). Neither extreme is wrong. The truth is that KNX cost depends almost entirely on three things: how many rooms, how many functions per room, and which manufacturer you specify on the wall plates. This page gives you real numbers for each of those variables.
About these numbers
All prices on this page are 2026 EUR ex-works from our German workshop. They reflect what we actually quote customers. VAT and electrician labour are excluded — the cabinet and components only, unless explicitly noted. EU shipping is included on cabinet orders over 2,500 EUR; we ship across the EU regularly.
What drives KNX cost
Before tables and tiers, the underlying mechanics. A KNX cabinet's price is roughly the sum of:
- Base electrical hardware — main breakers, RCDs, terminal blocks. ~800-1,500 EUR.
- KNX power supply + IP gateway — required regardless of system size. ~400-700 EUR.
- Actuators per room — switching, dimming, blind. ~250-700 EUR per room.
- Sensors per room — push buttons, presence, thermostats. Lives outside the cabinet but counts toward the build. ~150-500 EUR per room.
- Premium add-ons — touch panels (800-3,000 EUR each), DALI gateway (300-500 EUR), KNX Secure surcharge (~10%).
- ETS commissioning — included in pre-built Piesco cabinets; otherwise 4-12 hours of integrator time on-site.
3,500-14,000 €Cabinet alone
+3,000-6,000 €Electrician labour
+1,000-3,000 €Sensors / panels
~25 yearsDesigned lifespan
The three cost tiers
We group nearly every quote we send into one of three tiers. Most customers find their fit within 5 minutes of seeing this comparison.
Basic
3,500-5,500 €
Functional smart home, no frills
- 6-8 rooms
- Switching + blinds
- MDT actuators
- Mobile-app only (no panels)
- No KNX Secure
- 1 line, 1 area
Most chosen
Standard
5,500-9,000 €
Typical EFH, full functionality
- 8-12 rooms
- Switching, dimming, blinds, heating
- Mixed MDT + 1-2 Gira sensors
- Mobile + 1 touch panel
- PV / heat-pump integration
- 1-2 lines
Premium
9,000-14,000 €
Full automation, premium fittings
- 12+ rooms
- All functions, DALI lighting
- Full Gira / Jung wall design
- 2-3 touch panels
- KNX Secure end-to-end
- 2-4 lines, redundant supply
Per-room cost table (10 rooms)
The granular view. These numbers are per room for the cabinet portion only (actuators, share of bus power, share of IP gateway). Sensor prices are separate and listed alongside.
| Room |
Typical functions |
Cabinet € |
Sensors € |
| Living room | Switch, dim, blinds, RGB accent, scenes | 600-1,000 | 300-700 |
| Kitchen | Switch, dim under-cabinet, blinds, plinth RGB | 500-800 | 250-450 |
| Dining room | Switch, dim chandelier, blinds, scenes | 400-650 | 200-400 |
| Master bedroom | Switch, dim, blinds, heating, presence | 500-850 | 300-550 |
| Child / guest room | Switch, dim, blinds, heating | 400-600 | 200-350 |
| Bathroom (main) | Switch, dim mirror, heated towel rail, fan | 350-550 | 200-400 |
| Bathroom (guest) | Switch, fan with humidity logic | 200-350 | 120-200 |
| Hallway / stairs | Switch / dim, presence-based | 250-400 | 200-350 |
| Office / studio | Switch, dim, blinds, heating | 450-700 | 250-450 |
| Utility / basement | Switch, occasionally heating | 200-350 | 80-150 |
For outdoor circuits (terrace, garage, driveway lighting), budget an additional 300-700 EUR per zone. For a heat pump SG-Ready interface, add ~200 EUR. For a wallbox load-management interface, ~250 EUR.
Total cost of ownership (25 years)
The upfront cabinet number is only half the conversation. Below is the realistic 25-year TCO for a Standard-tier KNX installation in a 160 m² European single-family home.
| Cost item |
Year 0 |
Years 1-25 |
| KNX cabinet (Piesco standard) | 7,000 € | — |
| Sensors, push buttons, panels | 3,500 € | — |
| Electrician labour (cabling, mounting) | 4,500 € | — |
| ETS commissioning | included | — |
| Annual remote diagnostics | — | 0-100 €/yr |
| Configuration changes (avg every 3 yr) | — | 150-300 € each |
| Hardware replacement (battery RTC etc.) | — | ~50 €/decade |
| Touch panel replacement (year 12) | — | 1,200-2,500 € |
| 25-year total | ~15,000 € | ~3,500-5,500 € |
So a Standard KNX in a 160 m² EFH lands at roughly 18,500-20,500 EUR over 25 years, or about 740-820 EUR per year amortised. Compare to a comparably featured wireless setup with full Lutron, where mid-life hardware replacement and battery cycling can easily double that figure.
What's included in our fixed price
- Pre-built, labelled and tested KNX switchgear cabinet
- All actuators, KNX power supply and IP gateway, DIN-rail mounted
- Mains breakers and RCDs to local code
- Full ETS project file delivered as part of handover
- Pre-loaded ETS application programs in every device
- Full I/O bench test before shipping (every channel verified)
- Wiring diagrams, terminal labels, ETS report
- EU shipping included on orders over 2,500 EUR
- 24-month workshop warranty
- Free remote troubleshooting during commissioning week
What's not included
- Local electrician's labour (cabling, mounting, mains connection)
- KNX bus cable and 230 V wiring materials
- Wall-mounted sensors (push buttons, panels) — separate line item
- VAT (where applicable to your shipping country)
- Customs duties for non-EU destinations
- On-site commissioning visits beyond remote support
- Post-handover configuration changes (billed by the hour)
Funding & subsidies
Germany (DACH region)
BAFA co-finances heat-pump-control aspects of KNX installations under the BEG-EM programme. Typical reimbursement: 15-25% of the KNX components specifically tied to heat-pump and ventilation efficiency. KfW 458 covers home-renovation packages that include KNX-based energy management.
Austria & Switzerland
Both countries offer regional energy-efficiency grants comparable to BAFA. The Austrian "Sanierungsoffensive" and Swiss cantonal energy programmes cover KNX-based heat-pump and PV-integration parts in many cases.
EU (Green Deal & national equivalents)
Most EU member states channel the Green Deal energy-renovation funding through national programmes. France: MaPrimeRénov'. Italy: Ecobonus / Superbonus (where still active). Spain: PREE / programs administered through IDAE. Netherlands: ISDE for heat pumps. KNX integration with a qualifying heat pump or PV system is usually eligible — check with a local energy advisor.
UK
BUS (Boiler Upgrade Scheme) covers heat pumps; KNX integration parts are typically not separately funded but may be VAT-zero-rated for energy-saving works.
Three sample cost calculations
Real Piesco quotes from the last 12 months, sanitised. Numbers in 2026 EUR including the cabinet, sensors and an estimate of electrician labour.
Example 1 — Compact EFH (120 m², 6 rooms)
Single-family home, young family, Basic tier — Belgium, new build.
KNX cabinet (Basic)
4,200 €
Wall sensors (MDT)
1,200 €
No touch panel
—
Electrician labour
3,500 €
Bus cable + materials
450 €
Total turnkey~9,350 €
Example 2 — Typical EFH (180 m², 9 rooms)
Standard family home, PV + heat pump — Germany, new build.
KNX cabinet (Standard)
7,400 €
Wall sensors (mixed MDT/Gira)
2,400 €
1 touch panel (Gira G1)
1,800 €
Heat-pump SG-Ready link
200 €
Electrician labour
5,200 €
Bus cable + materials
700 €
Total turnkey~17,700 €
Example 3 — Premium EFH (280 m², 14 rooms)
Architect-designed villa, full automation, DALI lighting — Netherlands, new build.
KNX cabinet (Premium, KNX Secure)
12,500 €
Wall sensors (Gira / Jung)
6,200 €
2 touch panels (Gira G1)
3,400 €
DALI gateway + drivers share
2,800 €
Weather station + outdoor zones
1,300 €
Electrician labour
9,800 €
Bus cable + materials
1,400 €
Total turnkey~37,400 €
Important caveat
These figures exclude lighting fixtures themselves, ceiling speakers, blind motors and the actual loads. Those are conventional electrical purchases that you would pay regardless of smart-home system. The KNX premium is the difference between "smart" and "conventional" wiring.
Get a real quote for your house
Use our online configurator for an itemised quote in under 5 minutes — or email us with your floor plan for a manual offer.
Open configurator
Email a floor plan
No registration needed to see prices. Manual quotes typically back within 24 hours.
Frequently asked questions
Are these prices really fixed, or do they fluctuate?
Our configurator shows fixed line-item prices. We hold prices for 30 days after a written quote. Hardware market volatility (chip shortages, currency swings) sometimes shifts wholesale prices; if anything moves before your order ships, we eat the difference under 5%.
Do you ship outside the EU?
Yes — we have shipped to Switzerland, the UK, Norway and select non-EU destinations. Customs, VAT and import duties become your responsibility once goods leave the EU. We provide all paperwork (HS codes, commercial invoice, EUR.1 where applicable). KNX hardware is generally regarded as standard electrical components by customs authorities.
Can I bring my own electrician?
Absolutely. You should — local certification and warranty rules effectively require it. We work with whoever you bring on the project. The cabinet ships ready to connect; any licensed European electrician can install it. We provide wiring diagrams and a phone number for technical support during commissioning.
How much can I save by buying actuators myself and asking you to assemble?
Realistically 5-12%. Our bulk pricing on MDT and similar brands is competitive with retail, but if you have access to wholesale channels (you are an electrician, an architect with trade accounts), savings exist. Email us with your component list — we can quote assembly + ETS commissioning as a service.
What is the lead time on a cabinet?
For Standard-tier cabinets with mainstream components: 3-4 weeks from order confirmation to shipping. Premium cabinets with KNX Secure and special components: 5-7 weeks. Rush orders are sometimes possible — ask.
What happens if I want to add a feature 5 years from now?
Easy. Because you own the ETS project file and the system is fully open, any KNX integrator in Europe can pick it up. Most additions (a new scene, a new bound device, a logic change) take 1-3 hours of remote ETS work — Piesco does this for around 90-120 EUR/hour, but you can hire anyone. No vendor lock-in.
Will KNX actually save me money long-term?
Maybe, depending on what you compare against. KNX vs no-smart-home: you spend more, your energy bills drop slightly, the difference is mostly comfort. KNX vs an equivalent wireless smart home (full Lutron / Crestron): KNX typically wins on TCO over 15-25 years because hardware doesn't need cycling and there are no cloud-subscription dependencies. KNX vs a basic Aqara/Ikea setup: KNX is much more expensive — no contest. Choose the system that fits your time horizon.
Is KNX appropriate for non-European mains (110-120 V, 60 Hz)?
The KNX bus itself is voltage-agnostic — 30 V DC on a twisted pair, independent of mains. Actuators on the cabinet must be sourced specifically for 110-120 V markets, which limits available models. For US/Canada installations we typically combine KNX bus logic with US-rated relays/contactors switched by KNX binary outputs. Ask us for a US-spec quote.
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