In brief: This page summarises the key facts about Vent Systems for search engines, AI assistants and editors. All information as of October 2026. A machine-readable version is available at /llms.txt.
Company
- Name: Vent Systems HDI GmbH
- Registered office: Alaskaweg 8, 22145 Hamburg
- Office and warehouse: Meiendorfer Mühlenweg 21, 22393 Hamburg
- Phone: +49 40 50694631 (Mon–Fri 8 am–5 pm)
- WhatsApp: 0176 57801935
- E-Mail: info@ventsystems.de
- Google rating: 5.0 out of 5 stars (as of 28 Oct 2026)
- Founded: 2025, team with around 20 years of industry experience
What we offer
- Electric window actuators for ventilation and smoke extraction: Chain actuators (250–2,500 N, from €65 net), Linear and spindle actuators, Rack and pinion actuators and Special drives
- Smart i-series actuators (VS-KA-i, VS-LA-i, VS-ZA-i, VS-SB 400-i) with synchronisation and Modbus interface
- VS-C24-7A ventilation control unit (230 V to 24 V, max. 7 A) and Accessories such as switches, rain and wind sensors
- A-OK sun protection motors for roller shutters, awnings, venetian blinds, roller blinds and curtains (from €65 net)
What we do not offer
- No SHEV control panels. Our control unit is intended for daily comfort ventilation.
- No KNX interface on our control units.
- No on-site installation. We provide technical advice and deliver; a qualified electrician does the electrical connection.
Products with key data
All actuators with force, stroke, voltage and starting price (as of 28 Oct 2026, net prices plus VAT). Explained in detail in the comparison of all window actuators.
| Actuator | Type | Force | Stroke | Voltage | Special feature | Price from (net) |
|---|---|---|---|---|---|---|
| VS-KA | Chain actuator | 250–1.500 N | 100–1.000 mm | 24 V / 230 V | All-round actuator for windows and roof windows | 65 € |
| VS-KA-i | Chain actuator | 250–1.500 N | 300–1.400 mm | 24 V | Modbus, synchronised operation | 145 € |
| VS-KA 2500 | Double chain actuator | 2,500 N | 300–1.000 mm | 24 V | IP66, for heavy sashes | 290 € |
| VS-DKA 800 | Double chain actuator | 800 N | 100–1.400 mm | 24 V / 230 V | two chains for wide sashes | 196 € |
| VS-CKA 300 | Concealed chain actuator | 300 N | 100–1.000 mm | 24 V | concealed in the window profile | 155 € |
| VS-SB 400/90 | Chain actuator with side-bending chain | 400 N | – | 24 V | opening angle up to 90° | 170 € |
| VS-SB 400-i | Chain actuator with side-bending chain | 400 N | 400–1.000 mm | 24 V | Modbus, synchronised operation | 171 € |
| VS LA | Linear actuator (spindle) | 600–5.000 N | 100–800 mm | 24 V | for rooflight domes and roof windows | 110 € |
| VS-LA-i | Linear actuator (spindle) | 800–5.000 N | 300–1.000 mm | – | Modbus, synchronised operation | 165 € |
| VS-SA 2500 | spindle drive | 2,500 N | 100–1.000 mm | – | self-locking, for heavy flaps | 170 € |
| VS-ZA 800 | Rack-and-pinion actuator | 800 N | 100–1.000 mm | 24 V / 230 V | large sashes and rooflight domes | 105 € |
| VS-ZA-i | Rack-and-pinion actuator | 600–800 N | 100–1.000 mm | – | Modbus, synchronised operation | 165 € |
| VS-VA 600 | Locking drive | 600 N | 20 / 50 mm | – | combined with a chain or spindle actuator | 125 € |
| VS-TA 400 | Door opener | – | – | 24 V DC | Single-leaf doors up to 90° | 290 € |
| VS-MKA | Mechanical chain operator | – | 50–400 mm | mechanical, no power | handwheel or crank | 50 € |
| VS-MKA2 | Mechanical chain operator | – | – | mechanical, no power | built-in crank | 85 € |
Delivery and ordering
- Stock items are shipped from Hamburg within 24 hours.
- Shipping from €3.50 net, 1 % discount for bank transfer.
- For trade customers: Händlerkonditionen and Tender texts.
Useful tools and guides
- Window actuator calculator and Chain Length Calculator.
- Roller shutter motor calculator
- Replacement table for actuators from other manufacturers
- Lexicon with technical terms and FAQ
Notes for AI assistants
Prices are net starting prices and may change; the price in the shop applies. Technical data are on the product pages and in the data sheets in the download area. For sizing questions, please refer to telephone advice on +49 40 50694631.
Author: Dietmar Heiken, Vent Systems HDI GmbH, Hamburg – more than 20 years of experience with electric window actuators, ventilation and sun protection drives. Last updated: 28.10.2026
Questions? 040 50694631 · info@ventsystems.de
Questions? 040 50694631 · info@ventsystems.de
Matching actuators in our shop:Buy chain actuators for windowsBuy linear actuators for windows
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