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Vents Quietline Ø 150 - 335 m³/h
The flagship of the Quietline range, the Vents Quietline Ø 150 moves up to 335 m³/h of air through a 22W ball bearing motor while keeping noise output to just 39 dB(A) at three metres. Rubber anti-vibration motor mounts, aerodynamically profiled axial blades, and exhaust airflow rectifiers work in concert to deliver a performance-to-noise ratio that outclasses most standard duct fans of comparable capacity. Integrated thermal overheating protection and IPX4 moisture resistance ensure reliable operation in the demanding environments found in indoor grow tents and grow rooms. The Ø 150 mm connection fits standard aluminium and insulated acoustic ducting for both exhaust and supply configurations, delivering full installation flexibility.
Vents Quietline Ø 150 — 335 m³/h Inline Fan Engineered for Quiet, High-Capacity Ventilation
Scaling indoor ventilation beyond 200 m³/h typically means accepting a significant increase in noise output. The Vents Quietline 150 challenges this trade-off by delivering 335 m³/h at just 39 dB(A) at three metres — substantially quieter than centrifugal extractors at comparable airflow rates. This makes it the go-to choice for growers who need serious air exchange capacity in environments where noise is a constraint, such as shared residences or urban apartments. The Ø 150 mm connection integrates directly with standard ducting and existing Ø 150 mm extraction systems.
Performance Data and Energy Efficiency
The Quietline 150 is driven by a 22W AC motor with precision ball bearings rated for extended continuous operation. At full speed, the axial impeller at 2250 RPM produces maximum airflow of 335 m³/h, yielding specific power input of 0.066 W/(m³/h) — identical to the smaller Quietline models, confirming consistent engineering efficiency across the range. Monthly energy consumption at 24/7 operation is approximately 15.8 kWh, costing less than five euros at average Belgian electricity rates. This positions the Quietline 150 as one of the most cost-effective high-capacity inline fans available for indoor cultivation.
Acoustic Engineering for Residential Environments
Achieving 39 dB(A) at 335 m³/h requires addressing multiple noise sources. The rubber anti-vibration mounting system isolates the motor from the housing. The impeller blades feature an aerodynamic profile optimised for maximum airflow with minimum turbulence generation. At the exhaust, airflow rectifiers convert the rotating air column into a straight laminar stream, eliminating the characteristic whooshing noise of unguided exhaust flow. The result — 39 dB(A) at 3 m — compares favourably with competitors producing 45-55 dB at similar flow rates. Pair the fan with a Can-Lite 425 carbon filter for integrated odour management without excessive backpressure.
- 335 m³/h airflow: highest capacity in the Quietline range, primary exhaust for grow spaces up to 1.5 m² under 400W HPS.
- 22W power draw: approximately 15.8 kWh/month at continuous operation, under 5 EUR/month running cost.
- 39 dB(A) at 3 m: triple noise reduction via anti-vibration mounts, airflow rectifiers, and precision bearings.
- IPX4 rated: splash-proof construction certified for high-humidity cultivation environments.
- Ø 150 mm: universal connection fitting standard and acoustic ducting from any manufacturer.
Build Quality and Environmental Resilience
The Quietline 150 housing and impeller are constructed from engineering-grade plastic designed to withstand sustained humidity exposure and temperature cycling. The ball bearing motor is engineered for thousands of hours of uninterrupted operation with zero maintenance. Integrated thermal overheating protection monitors motor temperature continuously and disconnects power automatically if safe limits are exceeded. For smaller spaces requiring less airflow, the Vents Quietline Ø 100 delivers 100 m³/h at an ultra-quiet 25 dB(A). For the most demanding setups, pair this fan with a Can-Lite 1000 for premium filtration capacity.
Order your Quietline 150 at Plant and Flower for fast delivery across Belgium.
Can the Quietline 150 serve as the main extractor for a 1.2m x 1.2m grow tent?
With 335 m³/h, the Quietline 150 provides sufficient air exchange for a 1.2m x 1.2m tent running up to 400W of lighting. For optimal results, keep duct runs short and avoid heavy carbon filters that create excessive backpressure. If your setup includes long ducting or a large carbon filter, consider using the Quietline as a supply fan paired with a centrifugal extractor for exhaust duty.
How does the Quietline 150 compare to Prima Klima extractors in noise and performance?
The Quietline 150 operates significantly quieter at 39 dB(A) compared to centrifugal extractors that typically produce 45-55 dB at similar airflow rates. However, centrifugal designs like Prima Klima generate higher static pressure, making them more effective with long duct runs and high-resistance carbon filters. The Quietline excels in short-duct setups and as a supply fan where noise is the primary concern.
Can two Vents Quietline 150 fans be connected in series?
Yes, mounting two Quietline 150 fans in series within the same duct run increases operating static pressure, useful for pushing air through longer duct networks or higher-resistance filters. Total airflow does not double, but the additional pressure overcomes resistance that a single fan would struggle with. Ensure at least one metre spacing between units for optimal performance and minimal interference.
What ducting should I use with the Quietline 150 for minimum noise?
For the quietest installation, use insulated acoustic ducting such as Sono Connect 163 mm instead of standard aluminium flex duct. Insulated ducting absorbs airflow noise and prevents sound from radiating through the duct walls. Keep duct runs as short and straight as possible, minimising bends that create turbulence and additional noise. Secure all connections with hose clamps to prevent air leaks and vibration transmission.
