Electrical work - safety and efficiency
Range of services in detail
Electrical installation in accordance with industry standards
VDE-compliant solutions for every requirement:
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New installation: Flush-mounted installation with empty conduits (DIN 18015-3)
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Electrical renovation: Complete renovation of old existing installations
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High-voltage current: Three-phase connections (400V) for wall boxes and commercial use
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Emergency power systems: UPS systems and diesel generators
Tests: Repeat tests in accordance with VDE 0105-600 + documentation.
smart home networking
Central control via:
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KNX systems: Building automation with bus technology
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Wireless systems: EnOcean, Zigbee for retrofits
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Lighting control: DALI dimming technology, presence detectors
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Scenario control: Time, weather, and user-based automation
Integration: Compatible with Alexa, Google Home, Apple HomeKit.
Energy-efficient building services
Climate-neutral solutions:
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Photovoltaics: Modules + storage systems (AC/DC coupled)
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Heat pumps: air-water, brine-water, hybrid systems
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Ventilation systems: Residential ventilation with heat recovery
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Energy management: Intelligent load distribution (e.g. E³DC)
Funding advice: KfW 270, BAFA, state programs.
safety engineering
All-round protection through:
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Alarm systems: Wireless or wired systems with cloud connectivity
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Video surveillance: IP cameras with AI detection
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Access control: Fingerprint, NFC, facial recognition
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Fire protection: Smoke detectors with wireless networking
Standards: DIN VDE 0833, DIN 14675, DSGK.
- All trades in one interface (e.g. Loxone, Gira)
future-proofing
Pre-wiring for 5G, fiber optics, IoT extensionsburglary protection
Networked systems reduce the risk of burglary by 70% (BKA statistics)
Questions and answers
How much does it cost to retrofit a 100m² home with smart home technology?
Basic system (lighting, heating, security): €8,000–12,000
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Wireless solution: from €6,500
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KNX system: from €15,000
Subsidy: Up to 20% via KfW 455-B
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How much PV power does a single-family home need?
Guideline value: 1 kWp per 1,000 kWh annual consumption
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Average 4-person household: 6-8 kWp
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Space requirement: 6-8 modules (approx. 12m²) per kWp
Yield in Darmstadt: 950-1,050 kWh/kWp
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Do I need a new meter cabinet for my heat pump?
Mostly yes, because:
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Space required for additional LS switches
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Smart meter gateway requirement
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Surge protection in accordance with VDE-AR-N 4100
Cost: €2,500–4,000 including installation
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Are wireless alarm systems secure
Modern systems with:
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AES-256 encryption
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Bidirectional communication
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jamming detection
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VdS certification (G313001)
Security level: Equivalent to wired systems
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How long does the electrical installation take in a new building
Time frame for a 150 m² single-family home:
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Rough installation: 5-7 days
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Installation time: 3-5 days
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Total inspection: 1 day
Prerequisite: Dry construction phase
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