{"title":"Heller","description":"\u003ch2\u003eHeller Fans \u0026amp; Environmental Equipment\u003c\/h2\u003e\u003cp\u003eHeller is an Australian electrical appliance brand producing fans and environmental control equipment. Their products are widely used in grow rooms for air circulation, temperature management, and maintaining healthy growing conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOscillating and clip fans for grow room air circulation\u003c\/li\u003e\n\u003cli\u003eAustralian brand with local warranty and support\u003c\/li\u003e\n\u003cli\u003eEnergy-efficient designs for continuous grow room use\u003c\/li\u003e\n\u003cli\u003eHelps prevent hot spots and strengthens plant stems through airflow\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"heller-40cm-oscillating-wall-mounted-fan-grow-room","title":"Heller 40cm Oscillating Wall Mounted Fan | Hydroponic Grow Room Ventilation Australia","description":"\u003ch2\u003eHeller 40cm Oscillating Wall Mounted Fan – Hydroponic Airflow Optimisation for Grow Rooms\u003c\/h2\u003e\n\u003cp\u003eThe Heller 40cm Oscillating Wall Mounted Fan is designed to provide controlled, uniform air circulation within enclosed environments. In hydroponic cultivation systems, airflow is a critical environmental parameter influencing transpiration, gas exchange, and microclimate stability across the plant canopy.\u003c\/p\u003e\n\u003cp\u003eThis 400mm oscillating wall fan delivers consistent lateral airflow, reducing boundary layer resistance and supporting optimal physiological processes. Its wall-mounted configuration maximises spatial efficiency while maintaining effective ventilation coverage across grow tents and indoor cultivation rooms of all sizes.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniform air circulation across the plant canopy.\u003c\/strong\u003e Wide-angle oscillation distributes airflow evenly throughout the grow space, eliminating stagnant air pockets and reducing localised temperature and humidity variation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoundary layer disruption for improved gas exchange.\u003c\/strong\u003e Consistent airflow across leaf surfaces reduces the boundary layer, improving CO2 uptake and transpiration efficiency for enhanced plant metabolism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall-mounted design for spatial efficiency.\u003c\/strong\u003e Elevated mounting position maximises usable floor and bench space within grow tents and cultivation rooms while maintaining effective airflow coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable speed control for adjustable airflow.\u003c\/strong\u003e Multiple speed settings allow growers to calibrate airflow intensity to match plant growth stage, canopy density, and environmental conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous operation for stable environmental conditions.\u003c\/strong\u003e Durable construction supports extended run times required for consistent climate management in hydroponic grow environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePathogen risk reduction through active air movement.\u003c\/strong\u003e Consistent airflow limits the development of stagnant, high-humidity microclimates that promote mould, fungal growth, and pest establishment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGrow Room Ventilation and Climate Control\u003c\/h3\u003e\n\u003cp\u003eAir movement plays a central role in maintaining environmental equilibrium within enclosed hydroponic systems. The Heller 40cm wall fan supports the following critical environmental functions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoundary layer disruption.\u003c\/strong\u003e Improves CO2 exchange at the leaf surface by reducing the static air layer surrounding foliage, increasing photosynthetic efficiency and nutrient uptake rates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity control.\u003c\/strong\u003e Minimises condensation and localised moisture pockets that develop in stagnant air environments, reducing the risk of botrytis, powdery mildew, and other humidity-related pathogens.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature stability.\u003c\/strong\u003e Reduces thermal stratification within enclosed grow areas, maintaining consistent temperature distribution from canopy to root zone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePathogen risk reduction.\u003c\/strong\u003e Active air circulation limits the development of conditions that favour mould, fungal spore germination, and pest establishment on plant surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant structural response.\u003c\/strong\u003e Mechanical stress from consistent airflow encourages stronger stem formation and improved structural integrity, supporting heavier canopy loads at maturity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHydroponic grow room wall fan for uniform canopy airflow Australia\u003c\/li\u003e\n\u003cli\u003eOscillating wall mounted fan for grow tent ventilation and climate control\u003c\/li\u003e\n\u003cli\u003e400mm fan for indoor hydroponic air circulation and humidity management\u003c\/li\u003e\n\u003cli\u003eGrow room ventilation fan for DWC, NFT, coco, and drip hydroponic systems\u003c\/li\u003e\n\u003cli\u003eWall fan for propagation environments and controlled agriculture systems\u003c\/li\u003e\n\u003cli\u003eSpace-saving oscillating fan for indoor plant cultivation and general ventilation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic grow rooms.\u003c\/strong\u003e Consistent oscillating airflow maintains stable temperature and humidity conditions across the full canopy for uniform plant development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor grow tents.\u003c\/strong\u003e Wall-mounted configuration maximises usable space within enclosed tent environments while delivering effective airflow coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePropagation environments.\u003c\/strong\u003e Gentle, consistent air movement supports healthy early-stage plant development without excessive mechanical stress on young seedlings and cuttings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControlled agriculture systems.\u003c\/strong\u003e Suitable for any enclosed cultivation environment requiring reliable, adjustable air circulation for climate management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral indoor ventilation.\u003c\/strong\u003e Effective for residential and commercial indoor spaces requiring efficient, space-saving oscillating airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Sets It Apart\u003c\/h3\u003e\n\u003cp\u003eThe Heller 40cm Oscillating Wall Mounted Fan provides a reliable and space-efficient solution for improving air distribution in hydroponic grow environments. Its wide-angle oscillation, variable speed control, and wall-mounted design deliver consistent airflow coverage without occupying valuable floor space, supporting stable environmental conditions and improved plant performance across all growth stages.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFan Size.\u003c\/strong\u003e 40cm (400mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type.\u003c\/strong\u003e Wall mounted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscillation.\u003c\/strong\u003e Automatic wide-angle oscillation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed Settings.\u003c\/strong\u003e Variable speed control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication.\u003c\/strong\u003e Hydroponic grow rooms, grow tents, propagation environments, indoor agriculture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHS Code.\u003c\/strong\u003e 8414 (Fans and ventilation equipment)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight.\u003c\/strong\u003e Approximately 3 to 5 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat size fan do I need for my grow tent?\u003c\/h3\u003e\n\u003cp\u003eA general rule is to replace the air volume in your tent every 1–3 minutes. Calculate your tent volume (length × width × height in metres) and select a fan rated to move that volume per minute. For Heller 40cm Oscillating Wall Mounted Fan, check the airflow specification (m³\/hr) and divide by 60 to get m³\/min. Allow extra capacity if you are running a carbon filter, as filters reduce effective airflow by 20–25%.\u003c\/p\u003e\n\u003ch3\u003eHow loud is Heller 40cm Oscillating Wall Mounted Fan?\u003c\/h3\u003e\n\u003cp\u003eHeller 40cm Oscillating Wall Mounted Fan is engineered for low-noise operation. The dB rating is listed in the product specifications — for reference, under 35dB is near-silent in a closed room, 40–50dB is comparable to a quiet office, and over 55dB will be audible through walls. For stealth grows or home setups, pair Heller 40cm Oscillating Wall Mounted Fan with an acoustic duct silencer to further reduce sound transmission.\u003c\/p\u003e\n\u003ch3\u003eCan I control the speed of Heller 40cm Oscillating Wall Mounted Fan?\u003c\/h3\u003e\n\u003cp\u003eYes — Heller 40cm Oscillating Wall Mounted Fan is compatible with fan speed controllers. EC-motor fans are best paired with dedicated EC controllers for smooth, stepless speed control. AC-motor fans work with standard voltage-based speed controllers. Running your fan at 70–80% speed is a practical balance between airflow performance, noise reduction, and motor longevity.\u003c\/p\u003e\n\u003ch3\u003eHow do I install Heller 40cm Oscillating Wall Mounted Fan in my grow tent?\u003c\/h3\u003e\n\u003cp\u003eMount Heller 40cm Oscillating Wall Mounted Fan at the top of your grow tent using the included hanging brackets or a custom ratchet hanger. Connect ducting between Heller 40cm Oscillating Wall Mounted Fan and your carbon filter using appropriate duct clamps. Ensure all connections are sealed to maximise negative pressure and eliminate light leaks. Intake air should enter near the bottom of the tent and exhaust should exit from the top.\u003c\/p\u003e\n\u003ch3\u003eDoes Heller 40cm Oscillating Wall Mounted Fan ship fast within Australia?\u003c\/h3\u003e\n\u003cp\u003eYes — Heller 40cm Oscillating Wall Mounted Fan ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2–5 business days. WA, NT, and TAS orders typically arrive within 5–12 business days.\u003c\/p\u003e","brand":"Heller","offers":[{"title":"Default Title","offer_id":43197492592703,"sku":"HELLER-WALLFAN-40CM","price":79.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/RIO-POWERHEADS_1000x1000_Grey-copy-13-600x600_06a908e9-0536-41f9-a0c6-6d348b112ce6.png?v=1777519359"},{"product_id":"heller-clip-fan-grow-tent-air-circulation","title":"Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation","description":"\u003ch2\u003eAir Circulation for Hydroponic Grow Tents\u003c\/h2\u003e\n\u003cp\u003eThe Heller Clip Fan is a compact and reliable air circulation solution designed for hydroponic grow tents and grow rooms. Designed for consistent airflow, it improves air movement across the plant canopy, supporting transpiration, temperature regulation, and overall plant health.\u003c\/p\u003e\n\u003cp\u003eWith a secure clip-on mounting system, the fan can be easily positioned within grow spaces to deliver targeted airflow where it is needed most.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Circulation.\u003c\/strong\u003e Promotes consistent airflow across the plant canopy to reduce stagnant air zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClimate Support.\u003c\/strong\u003e Assists with temperature and humidity regulation in enclosed grow environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Airflow.\u003c\/strong\u003e Clip-on design allows precise positioning on poles, frames, and shelves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Health.\u003c\/strong\u003e Supports transpiration and reduces the risk of mould and heat stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Operation.\u003c\/strong\u003e Suitable for continuous use in indoor environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Build.\u003c\/strong\u003e Durable Heller construction for long-term performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHydroponic grow tents and small grow rooms\u003c\/li\u003e\n\u003cli\u003eSeedling and vegetative stage airflow\u003c\/li\u003e\n\u003cli\u003eAir circulation for small to medium indoor setups\u003c\/li\u003e\n\u003cli\u003eHumidity and temperature management in enclosed spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType.\u003c\/strong\u003e Clip-on air circulation fan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting.\u003c\/strong\u003e Clip-on, compatible with poles, frames, and shelves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation.\u003c\/strong\u003e Quiet, continuous indoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVendor.\u003c\/strong\u003e Heller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication.\u003c\/strong\u003e Hydroponic grow tents and indoor cultivation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat size fan do I need for my grow tent?\u003c\/h3\u003e\n\u003cp\u003eA general rule is to replace the air volume in your tent every 1–3 minutes. Calculate your tent volume (length × width × height in metres) and select a fan rated to move that volume per minute. For Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation, check the airflow specification (m³\/hr) and divide by 60 to get m³\/min. Allow extra capacity if you are running a carbon filter, as filters reduce effective airflow by 20–25%.\u003c\/p\u003e\n\u003ch3\u003eHow loud is Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation?\u003c\/h3\u003e\n\u003cp\u003eHeller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation is engineered for low-noise operation. The dB rating is listed in the product specifications — for reference, under 35dB is near-silent in a closed room, 40–50dB is comparable to a quiet office, and over 55dB will be audible through walls. For stealth grows or home setups, pair Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation with an acoustic duct silencer to further reduce sound transmission.\u003c\/p\u003e\n\u003ch3\u003eCan I control the speed of Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation?\u003c\/h3\u003e\n\u003cp\u003eYes — Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation is compatible with fan speed controllers. EC-motor fans are best paired with dedicated EC controllers for smooth, stepless speed control. AC-motor fans work with standard voltage-based speed controllers. Running your fan at 70–80% speed is a practical balance between airflow performance, noise reduction, and motor longevity.\u003c\/p\u003e\n\u003ch3\u003eHow do I install Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation in my grow tent?\u003c\/h3\u003e\n\u003cp\u003eMount Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation at the top of your grow tent using the included hanging brackets or a custom ratchet hanger. Connect ducting between Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation and your carbon filter using appropriate duct clamps. Ensure all connections are sealed to maximise negative pressure and eliminate light leaks. Intake air should enter near the bottom of the tent and exhaust should exit from the top.\u003c\/p\u003e\n\u003ch3\u003eDoes Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation ship fast within Australia?\u003c\/h3\u003e\n\u003cp\u003eYes — Heller Clip Fan. Hydroponic Grow Tent Clip Fan for Air Circulation ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2–5 business days. WA, NT, and TAS orders typically arrive within 5–12 business days.\u003c\/p\u003e","brand":"Heller","offers":[{"title":"Default Title","offer_id":43200146112575,"sku":"HEL-CLIP-FAN","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/RIO-POWERHEADS_1000x1000_Grey-copy-5-600x600.png?v=1777554016"}],"url":"https:\/\/apexgrow.com.au\/collections\/heller.oembed","provider":"Apex Grow","version":"1.0","type":"link"}