SolarKing Standard V4 Solar Roof Whirlybird Fan

Solar Roof Whirlybird for Brisbane, the Sunshine Coast and Queensland

Help release trapped roof-space heat with the genuine SolarKing Standard V4 solar roof whirlybird fan. VanDIY supplies this solar-powered roof ventilator for homes, garages and sheds across Brisbane, the Sunshine Coast and Queensland.

A dedicated solar panel powers the extraction motor, drawing warm air out of the roof cavity while replacement air enters through eave vents or other suitable openings. It provides active roof ventilation on sunny, still days without relying on wind to turn a traditional whirlybird.

The Standard V4 suits customers who want automatic temperature-controlled operation without using a remote.

Delivery

Standard delivery is free to all Australian states and territories except Western Australia and the Northern Territory, where a subsidised delivery fee of $50 per fan applies.

Solar-Powered Extraction for Hot Roof Spaces

Sunlight heats the roof and the air beneath it. Ventilating that space helps remove accumulated heat before it continues transferring through the ceiling into the rooms below.

The SolarKing Standard V4 combines a 42W solar panel with a 35W brushless DC motor. Its manufacturer-stated maximum airflow capacity is 2,100 m³/h.

Actual airflow depends on sunlight, the roof layout, installation position and the openings available for replacement air. Roof ventilation works alongside insulation and shading to help manage heat build-up; indoor temperature changes vary between buildings.

When operating from its solar panel, the fan uses no mains electricity.

Automatic Temperature Control

The Standard V4 operates automatically when sufficient solar power is available and the roof space is above approximately 25°C.

Its thermostat stops the fan as the roof space cools below the operating threshold, reducing unnecessary extraction during cooler conditions.

There are no daily controls to adjust. The brushless motor incorporates a constant-speed design to reduce sudden changes in fan speed.

Solar Roof Whirlybird or Traditional Wind-Driven Vent?

“Solar roof whirlybird”, “solar roof fan” and “solar roof ventilator” are common terms used when shopping for this type of roof-space extraction system.

The SolarKing uses a solar-powered motor to move air. A traditional wind-driven whirlybird uses a rotating turbine driven by wind and natural airflow.

This gives the SolarKing powered extraction when sunlight and temperature conditions allow, including periods when there is little wind.

Optional Mains Backup for Evening and Cloudy Conditions

The Standard V4 has a DC input for an optional 240V AC to 15V DC backup power supply, sold separately.

With the supply connected, the fan can automatically change to mains backup when solar input becomes insufficient, then return to solar operation when sunlight improves.

The thermostat remains active on mains backup: the Standard model operates only while the roof space is above its temperature threshold. Maximum operating speed on the optional supply is three-quarter speed.

A suitable power outlet is required for the optional supply.

Metal Construction and Adjustable Solar Panel

The V4 combines an aluminium top cover and flashing with an electroplated steel body and brackets. Stainless-steel fasteners complete the assembly.

The adjustable solar panel allows its orientation and tilt to be set for the installation. This helps position the panel for useful sunlight exposure on different roof pitches.

The fan includes a balanced five-blade metal impeller and an internal air deflector designed to support airflow. SolarKing lists a noise rating below 45 dBA.

Suitable Roof Types and Positioning

The SolarKing Standard V4 is suitable for appropriate tiled, Colorbond, other metal and flat-roof installations.

Good positioning gives the panel sunlight and allows air to move through the roof cavity towards the fan. Eave vents or other suitable air-entry openings provide the replacement air needed for extraction.

Fan quantity depends on the size and shape of the roof cavity, internal divisions and ventilation openings. Larger roofs or separate roof sections may benefit from multiple extraction points.

Follow the manufacturer’s installation instructions for the roof type, including fixing and weatherproofing details.

Standard or Wireless V4?

Both models use the same stated 42W solar panel, 35W motor and maximum airflow capacity.

Choose the Standard V4 for automatic operation controlled by sunlight and roof-space temperature.

Choose the SolarKing Wireless V4 roof fan if you want a handheld remote, adjustable speeds, timers, temperature override and the daily ventilation function. The optional mains backup supply is sold separately for either model.

Browse the VanDIY solar roof fan collection to compare both models.

Plan your installation with our Solar Roof Fan Installation & Buying Guide, covering roof types, replacement airflow, fan quantities and moisture management.

Specifications

Specification	Details
Brand	SolarKing
Version	Standard V4
Manufacturer product code	6702
Product type	Solar-powered roof-space extraction fan
Maximum stated airflow	2,100 m³/h
Solar panel	42W, 15V DC monocrystalline
Panel construction	Heavy-duty frame with 3mm tempered glass
Panel adjustment	Adjustable orientation and tilt
Motor	35W constant-speed brushless DC
Motor operating voltage	6–19V DC
Maximum motor speed	1,600 RPM
Bearings	Double-shielded ball bearings
Impeller	300mm balanced five-blade metal
Manufacturer-stated noise rating	Below 45 dBA
Automatic temperature threshold	Approximately 25°C, manufacturer tolerance ±5%
Overall dimensions	565 × 565 × 260mm
Flashing dimensions	565 × 565 × 1mm
Approximate roof opening	320mm
Weight	Approximately 7.8kg, as listed in the V4 brochure
Construction	Aluminium cover and flashing; electroplated steel body and brackets; stainless-steel fasteners
Finish	Black powder-coated
Roof compatibility	Suitable tiled, Colorbond, metal and flat-roof installations
Optional mains supply	240V AC to 15V DC, 1.5A; sold separately
Maximum speed on optional supply	Three-quarter speed
Remote control	Not included with the Standard model
Manufacturer warranty	3 years

Manuals and Downloads

• Standard V4 product brochure
• Metal roof installation instructions
• Tiled roof installation instructions
• Manufacturer warranty information

Frequently Asked Questions

Can I order this solar roof whirlybird for Brisbane or the Sunshine Coast?

Yes. VanDIY supplies the SolarKing Standard V4 to Brisbane, the Sunshine Coast and throughout Queensland. Standard delivery is free to Queensland addresses.

Does the Standard V4 operate automatically?

Yes. It operates when sufficient power is available and the roof-space temperature is above approximately 25°C, then stops as the roof space cools.

Can it extract air without wind?

Yes. Its motor is powered by the solar panel, so extraction does not depend on wind turning a turbine.

Can it be fitted to tiled or Colorbond roofs?

Yes. It suits appropriate tiled, Colorbond and other metal roofs, as well as suitable flat-roof installations. Separate tiled and metal roof installation instructions are provided above.

Can I add mains backup for operation after sunset?

Yes. An optional 240V AC to 15V DC supply allows operation when solar input is insufficient. The Standard fan’s thermostat still applies, and backup operation is limited to three-quarter speed.

Does the Standard model include remote control, timers or adjustable speeds?

No. These controls are available on the separately listed SolarKing Wireless V4.

Can the Standard model be forced to run below its normal temperature threshold?

No. The Standard model retains automatic temperature control, including when using the optional mains supply. Choose the Wireless V4 if you want temperature override.

Is the optional mains backup power supply included?

No. The backup supply is sold separately. The Standard V4 operates from its supplied solar panel without that accessory.