flat roof solar skylight

The VCS is the ultimate skylight that provides abundant daylight and controllable ventilation. Operated by a Radio Frequency wall-mounted keypad (included) and is powered by a concealed battery pack that is recharged by the external solar panel – allowing operation even when the sun isn’t out.

Product Features:

  • Wireless installation. No electrician required.

  • Maintenance Free – White PVC interior frame for a tough, hard wearing interior finish.

  • Outer aluminium cappings (grey).

  • Available in 7 sizes.

  • Remote control operation.

  • Rain sensor automatically closes the skylight when rain is detected.

  • High Performance double glazing as standard; with NEAT™ coating to reduce cleaning frequency.

  • Includes removable insect screen.

  • Requires custom-made flashing (not supplied by VELUX).

  • Approx 75% heat block

Wireless control system:

  • Rain sensor automatically closes the skylight once rain is detected.
  • Easy to use wireless key pad provided
  • KLF 200 Home Automation Systems interface available (sold separately)
  • Automatically control Heat, CO2 and Humidity with VELUX ACTIVE (sold separately)


The VCS is watertight for pitches between 0-60°, though raising the installation pitch to 10° may be preferred for the best aesthetic appearance. Below this pitch you are likely to experience water ponding on the glass.

Technical Performance

VCS Size chart


Solar Heat Gain Co-efficient

Hailstone Test**

WERS max 5 stars

NZ Standards

0° R-Value Available Here Complete Skylight 0.24 VELUX Simulated Tests
ASTM E822-2009
NZS4223.4, AS4285, NZS3604, NZ1170

*BRANZ verified horizontal R-Values 
SHGC based on NFRC simulations at 90o installation pitch (VSS, VSE, VCS) nominal skylight size 1200mm x 1200mm. **Hailstone test not conducted on solar panel not attached during test. NB: Contact VELUX when installing VSS above/below combination due to positioning of solar panel.


Solar powered skylight

SOLAR POWERED - No need for an electrician or power supply. The Solar skylight powers itself.

Roof Window UPVC Frame
MAINTENANCE FREE - White UPVC interior frames for a tough, hard wearing interior finish that is great for wet areas.
Skylight Rain Sensor

RAIN SENSOR - Pre-installed rain sensor automatically closes the skylight at the onset of rain giving you peace of mind. 

Add smart indoor climate control
to your skylights

VELUX ACTIVE with NETATMO indoor climate control
creates a healthier indoor climate in your home – automatically.

Sensors measure temperature, CO2 and humidity and
operate your VELUX skylights and blinds accordingly.

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