{"product_id":"headwind-hvc-smart-ec-fan-controller-pro","title":"Headwind HVC Smart EC Fan Controller PRO — Auto Temp \u0026 Humidity Ventilation Control","description":"\u003cdiv style=\"font-family: 'Helvetica Neue', Arial, sans-serif; max-width: 860px; margin: 0 auto; color: #1a1a1a;\"\u003e\n\n  \u003cp style=\"font-size: 1.05rem; line-height: 1.7; margin-bottom: 1.5rem;\"\u003e\n    The Headwind HVC Smart EC Fan Controller PRO puts your grow room ventilation on autopilot. Connect up to four HVC EC fans, dial in your temperature and humidity setpoints, and let the controller do the work — automatically adjusting fan speed to keep conditions exactly where you need them. Four operating modes, an integrated sensor probe, smart fault detection, and a clean digital display. One unit. Full control.\n  \u003c\/p\u003e\n\n  \u003c!-- Benefit Cards --\u003e\n  \u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem;\"\u003e\n\n    \u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n      \u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eAuto Climate Control\u003c\/strong\u003e\n      \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eAdjusts EC fan speed in real time based on your temperature and humidity setpoints — no manual intervention needed.\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n      \u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eControls Up to 4 Fans\u003c\/strong\u003e\n      \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eRun up to four Headwind HVC EC fans from one controller — built for larger grow spaces and multi-zone rooms.\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n      \u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eFour Operating Modes\u003c\/strong\u003e\n      \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eAuto, Manual, Day\/Night, and Alarm modes give you the flexibility to run your environment your way, around the clock.\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n      \u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eNo Separate Power Required\u003c\/strong\u003e\n      \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eThe controller draws power directly from your connected HVC EC fans — no extra cables, adapters, or power points needed.\u003c\/span\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- Specs --\u003e\n  \u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eSpecifications\u003c\/h2\u003e\n  \u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 2rem; margin-bottom: 2rem; font-size: 0.95rem;\"\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eFan Connections\u003c\/strong\u003e\u003cbr\u003eUp to 4 Headwind HVC EC fans\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eControl Signal\u003c\/strong\u003e\u003cbr\u003e0–10V\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003cbr\u003eAuto, Manual, Day\/Night, Alarm\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eIntegrated Sensor\u003c\/strong\u003e\u003cbr\u003eTemperature and humidity probe\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eSpeed Control\u003c\/strong\u003e\u003cbr\u003eVariable min\/max — user-configurable\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eFault Detection\u003c\/strong\u003e\u003cbr\u003ePer-fan error monitoring and alarm\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003cbr\u003eDigital — live temp, humidity, fan status\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003cbr\u003eDrawn from connected HVC EC fans\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003cbr\u003eHeadwind HVC EC fans only\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003cbr\u003ePlug-and-play — minimal wiring\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Tip Box --\u003e\n  \u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f9a825; padding: 1rem 1.3rem; border-radius: 6px; margin-bottom: 2rem;\"\u003e\n    \u003cstrong style=\"color: #e65100; display: block; margin-bottom: 0.5rem;\"\u003eGrower Tips\u003c\/strong\u003e\n    \u003cul style=\"margin: 0 0 0 1.2rem; padding: 0; font-size: 0.93rem; line-height: 1.7;\"\u003e\n      \u003cli\u003eSet your minimum fan speed to 20–30% to maintain continuous fresh air exchange — never let it drop to zero.\u003c\/li\u003e\n      \u003cli\u003eUse Day\/Night mode to reduce fan speed during dark periods — quieter overnight and easier on your power bill.\u003c\/li\u003e\n      \u003cli\u003eMount the sensor probe at canopy level for accurate temperature and humidity readings where it actually matters.\u003c\/li\u003e\n      \u003cli\u003eRevisit your setpoints at each growth stage — a flowering room runs warmer and drier than a propagation space.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- How-To --\u003e\n  \u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eHow to Set Up the HVC Smart EC Fan Controller PRO\u003c\/h2\u003e\n\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e1\u003c\/span\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eConnect your HVC EC fans\u003c\/strong\u003e — Plug your Headwind HVC EC fans into the controller ports using the supplied cables. No separate power adapter is required — the controller draws power directly from the fans.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e2\u003c\/span\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003ePosition the sensor probe\u003c\/strong\u003e — Mount the integrated probe at canopy level inside your grow space. Accurate placement gives you accurate control.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e3\u003c\/span\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eSelect your operating mode\u003c\/strong\u003e — Navigate to Auto Mode via the button interface. For hands-on control, use Manual Mode to set a fixed fan speed directly.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e4\u003c\/span\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eProgram your setpoints\u003c\/strong\u003e — Enter target temperature and humidity values, then set minimum and maximum fan speed limits to define the operating range.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e5\u003c\/span\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eMonitor and confirm\u003c\/strong\u003e — Check the digital display for live temperature, humidity, and fan status readings. Adjust setpoints as needed until your environment is dialled in.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Pairs With --\u003e\n  \u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem; margin-top: 2rem;\"\u003ePairs Well With\u003c\/h2\u003e\n  \u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem;\"\u003e\n\n    \u003ca href=\"\/collections\/inline-exhaust-fans\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n      \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eInline EC Fans\u003c\/strong\u003e\n      \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eThe HVC Controller is built exclusively for Headwind HVC EC fans — this is the pairing it was designed for.\u003c\/p\u003e\n    \u003c\/a\u003e\n\n    \u003ca href=\"\/collections\/odour-control-carbon-filters\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n      \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eCarbon Filters\u003c\/strong\u003e\n      \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eControlled fan speed means controlled airflow through your carbon filter — essential for consistent odour management.\u003c\/p\u003e\n    \u003c\/a\u003e\n\n    \u003ca href=\"\/collections\/environmental-monitors\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n      \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eEnvironmental Monitors\u003c\/strong\u003e\n      \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eAdd a standalone monitor to cross-check VPD and conditions independently of your controller's onboard probe.\u003c\/p\u003e\n    \u003c\/a\u003e\n\n    \u003ca href=\"\/collections\/grow-tents\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n      \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eGrow Tents\u003c\/strong\u003e\n      \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eAutomated climate control works best in a properly sealed tent where airflow can be precisely managed end to end.\u003c\/p\u003e\n    \u003c\/a\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDoes this controller work with non-Headwind fans?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eNo. The HVC Smart EC Fan Controller PRO is designed exclusively for Headwind HVC EC fans. It draws power from and communicates directly with those fans — it will not function correctly with other brands.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eCan it respond to temperature and humidity at the same time?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes. In Auto Mode the controller reads both temperature and humidity simultaneously from the integrated probe and adjusts fan speed to keep conditions within your setpoints — whichever trigger is reached first drives the response.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eHow many fans can I connect?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eUp to four Headwind HVC EC fans can be connected and controlled simultaneously from a single HVC Smart EC Fan Controller PRO.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDoes it need a separate power supply?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eNo. The controller is powered directly through the connected Headwind HVC EC fans — no external power cord or adapter is required. Setup is minimal.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWill I know if a connected fan develops a fault?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes. The controller monitors each connected fan individually. If a fan stops working or behaves abnormally, it will trigger an alarm alert so you can act before your environment is affected.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- CTA Block --\u003e\n  \u003cdiv style=\"background: #1c3a1c; color: #fff; padding: 2rem; border-radius: 10px; text-align: center; margin-top: 2rem;\"\u003e\n    \u003ch2 style=\"color: #fff !important; margin: 0 0 0.5rem; font-size: 1.3rem;\"\u003eReady to Automate Your Ventilation?\u003c\/h2\u003e\n    \u003cp style=\"color: #aed1ae !important; margin: 0 0 1.5rem; font-size: 0.95rem;\"\u003eFree shipping over $499* | 14 years of growing expertise behind every order\u003c\/p\u003e\n    \u003cdiv style=\"display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;\"\u003e\n      \u003cbutton id=\"btn-add-to-cart\" style=\"background: #4caf50 !important; color: #fff !important; padding: 0.85rem 2rem !important; border: none !important; border-radius: 6px !important; font-size: 1rem !important; font-weight: 700 !important; cursor: pointer !important;\"\u003eAdd to Cart\u003c\/button\u003e\n      \u003ca href=\"\/collections\/environment-controllers\" style=\"background: transparent !important; color: #fff !important; padding: 0.85rem 2rem !important; border: 2px solid #fff !important; border-radius: 6px !important; font-size: 1rem !important; font-weight: 600 !important; text-decoration: none !important; display: inline-block !important;\"\u003eView All Controllers\u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cscript\u003e\n  document.addEventListener('DOMContentLoaded', function() {\n    var btn = document.getElementById('btn-add-to-cart');\n    if (!btn) return;\n    btn.addEventListener('click', function() {\n      fetch('\/cart\/add.js', {\n        method: 'POST',\n        headers: {'Content-Type': 'application\/json'},\n        body: JSON.stringify({id: parseInt('51423787909418', 10), quantity: 1})\n      }).then(function(response) {\n        return response.json();\n      }).then(function(data) {\n        if (data.status \u0026\u0026 data.status !== 200) { throw new Error(data.description); }\n        btn.textContent = 'Added to Cart';\n        btn.style.background = '#388e3c';\n        setTimeout(function() {\n          btn.textContent = 'Add to Cart';\n          btn.style.background = '#4caf50';\n        }, 2000);\n      }).catch(function() {\n        btn.textContent = 'Error — Try Again';\n        btn.style.background = '#c0392b';\n        setTimeout(function() {\n          btn.textContent = 'Add to Cart';\n          btn.style.background = '#4caf50';\n        }, 2500);\n      });\n    });\n  });\n  \u003c\/script\u003e\n\n\u003c\/div\u003e","brand":"Headwind HVC","offers":[{"title":"Default Title","offer_id":51423787909418,"sku":"HW-EC-CTRL-PRO","price":185.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/1573\/3290\/files\/Headwind-HVC-Smart-EC-Fan-Controller-PRO-Auto-Temp-Humidity-Ventilation-Control.jpg?v=1776901868","url":"https:\/\/www.thegrowguys.com.au\/products\/headwind-hvc-smart-ec-fan-controller-pro","provider":"The Grow Guys","version":"1.0","type":"link"}