{"product_id":"quest-155-overhead-dehumidifier","title":"Quest 155 Overhead Dehumidifier","description":"\u003ch1\u003eQuest 155 Overhead Dehumidifier – 71L\/Day | 230V 50Hz\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuest 155 Overhead Dehumidifier\u003c\/strong\u003e is a high-capacity commercial dehumidifier designed for demanding indoor growing environments, drying rooms, storage areas and other humidity-sensitive spaces. Combining powerful moisture removal with flexible installation, the Quest 155 can be positioned on the floor, suspended overhead or connected to suitable ducting.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e230V, 50Hz international model\u003c\/strong\u003e removes up to \u003cstrong\u003e71 litres of moisture per day at 26.7°C and 60% relative humidity\u003c\/strong\u003e, making it suitable for environments where substantial quantities of water are continually being released into the air.\u003c\/p\u003e\n\n\u003cp\u003eWith \u003cstrong\u003e705m³\/hr airflow, 800W power consumption, MERV-13 filtration and continuous drainage\u003c\/strong\u003e, the Quest 155 provides efficient commercial humidity control in a robust professional unit.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e71 litres\/day moisture removal:\u003c\/strong\u003e Rated at 26.7°C and 60% RH.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh energy efficiency:\u003c\/strong\u003e Rated at approximately 3.74 litres per kWh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e800W power consumption:\u003c\/strong\u003e High-capacity moisture removal with a 3.5A current draw.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e230V \/ 50Hz:\u003c\/strong\u003e Designed for international and UK electrical systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh airflow:\u003c\/strong\u003e Moves approximately 705m³\/hr \/ 415 CFM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible installation:\u003c\/strong\u003e Suitable for floor-standing, overhead or ducted installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV-13 filtration:\u003c\/strong\u003e Filters airborne particles as air passes through the unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous condensate drainage:\u003c\/strong\u003e Designed for unattended moisture removal through a dedicated drain connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard controls:\u003c\/strong\u003e Includes integrated controls with a low-voltage terminal block for compatible external control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional construction:\u003c\/strong\u003e Built for commercial humidity-control applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e71 Litres Per Day Moisture Removal\u003c\/h2\u003e\n\n\u003cp\u003eThe Quest 155 is rated to remove \u003cstrong\u003e71 litres of moisture per day at 26.7°C and 60% RH\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis makes it a strong choice for larger indoor growing environments, commercial horticultural facilities and other applications where irrigation, plant transpiration or drying processes introduce significant moisture into the air.\u003c\/p\u003e\n\n\u003cp\u003eAs with all refrigerant dehumidifiers, actual water removal depends on temperature and relative humidity. Performance will generally be lower in cooler or drier conditions.\u003c\/p\u003e\n\n\u003ch2\u003eHigh-Efficiency Commercial Dehumidification\u003c\/h2\u003e\n\n\u003cp\u003eQuest rates the 50Hz Quest 155 at \u003cstrong\u003e3.74 litres per kWh\u003c\/strong\u003e under the manufacturer's stated test conditions.\u003c\/p\u003e\n\n\u003cp\u003eThe unit consumes approximately \u003cstrong\u003e800 watts\u003c\/strong\u003e and draws \u003cstrong\u003e3.5 amps\u003c\/strong\u003e, allowing substantial moisture removal without the electrical demand associated with many larger commercial machines.\u003c\/p\u003e\n\n\u003cp\u003eCorrect sizing remains essential. A dehumidifier should be selected according to the amount of moisture entering the environment rather than floor area alone.\u003c\/p\u003e\n\n\u003ch2\u003eDesigned for Indoor Growing Environments\u003c\/h2\u003e\n\n\u003cp\u003ePlants continuously release moisture into the surrounding air through transpiration. As plant size, irrigation and environmental demand increase, humidity can rise quickly without adequate removal capacity.\u003c\/p\u003e\n\n\u003cp\u003eThe Quest 155 helps growers maintain more stable relative humidity by continuously removing excess water from the air.\u003c\/p\u003e\n\n\u003cp\u003eSuitable applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIndoor grow rooms\u003c\/li\u003e\n\u003cli\u003eHydroponic facilities\u003c\/li\u003e\n\u003cli\u003eCommercial horticultural environments\u003c\/li\u003e\n\u003cli\u003ePropagation and nursery areas\u003c\/li\u003e\n\u003cli\u003eDrying rooms\u003c\/li\u003e\n\u003cli\u003eStorage spaces\u003c\/li\u003e\n\u003cli\u003eOther controlled indoor environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOverhead, Floor-Standing or Ducted Installation\u003c\/h2\u003e\n\n\u003cp\u003eThe Quest 155 offers multiple installation options to suit different room layouts.\u003c\/p\u003e\n\n\u003cp\u003eIt can be positioned on the floor, mounted overhead using suitable rated hardware, or installed remotely with compatible ducting.\u003c\/p\u003e\n\n\u003cp\u003eOverhead installation can help preserve valuable floor space, while ducted installation allows the dehumidifier to be located away from the main treatment area where required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Hanging hardware, ducting kits and other installation accessories are supplied separately unless specifically stated.\u003c\/p\u003e\n\n\u003ch2\u003eMERV-13 Air Filtration\u003c\/h2\u003e\n\n\u003cp\u003eThe Quest 155 uses a \u003cstrong\u003eMERV-13 air filter\u003c\/strong\u003e measuring approximately \u003cstrong\u003e41cm × 51cm × 5cm\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis filter captures airborne particulate matter as air passes through the unit while helping protect internal components from contamination.\u003c\/p\u003e\n\n\u003cp\u003eCheck the filter regularly and replace it when dirty or restricted. Reduced airflow can lower dehumidifier performance and efficiency.\u003c\/p\u003e\n\n\u003ch2\u003eContinuous Condensate Drainage\u003c\/h2\u003e\n\n\u003cp\u003eCondensate is discharged through a \u003cstrong\u003e3\/4-inch threaded NPT drain connection\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe drain line should be routed to a suitable drainage point according to Quest's installation instructions.\u003c\/p\u003e\n\n\u003cp\u003eIf gravity drainage is not possible, a compatible condensate pump may be required.\u003c\/p\u003e\n\n\u003ch2\u003eOperating Temperature Range\u003c\/h2\u003e\n\n\u003cp\u003eThe Quest 155 is designed to operate between approximately \u003cstrong\u003e5°C and 35°C\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eBefore installation, address excessive outside-air infiltration or water ingress. These conditions can significantly increase the moisture load and reduce the ability of the system to maintain the desired relative humidity.\u003c\/p\u003e\n\n\u003ch2\u003eQuest 155 Technical Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuest 155 50Hz International\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4037400-XX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDehumidifier Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRefrigerant Dehumidifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Removal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e71 Litres\/Day @ 26.7°C \/ 60% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.74 Litres\/kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e705m³\/hr \/ 415 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230V AC, Single Phase, 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5°C to 35°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e61kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnboard Controls with Low-Voltage Terminal Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAir Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e41cm × 51cm × 5cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefrigerant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR410A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefrigerant Amount\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrain Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4\" Threaded NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Cord\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7m Female IEC 60320-C13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUK Cord Option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBS 1363 Type G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerformance Note:\u003c\/strong\u003e Water-removal and efficiency figures are based on 26.7°C and 60% RH. Actual performance will vary according to temperature, humidity, airflow, installation and filter condition.\u003c\/p\u003e\n\n\u003ch2\u003eMaintenance\u003c\/h2\u003e\n\n\u003cp\u003eRegular maintenance helps keep the Quest 155 operating efficiently.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eInspect the air filter regularly.\u003c\/li\u003e\n\u003cli\u003eReplace dirty or restricted filters.\u003c\/li\u003e\n\u003cli\u003eKeep air intake and discharge areas clear.\u003c\/li\u003e\n\u003cli\u003eInspect the condensate drain and hose for blockages.\u003c\/li\u003e\n\u003cli\u003eKeep the cabinet and surrounding area clean and dry.\u003c\/li\u003e\n\u003cli\u003eUse suitably qualified personnel for electrical and refrigeration servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e1 × Quest 155 50Hz International Dehumidifier.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eHanging equipment, ducting kits, replacement filters, external controls and condensate pumps are supplied separately unless specifically included with your chosen package.\u003c\/p\u003e\n\n\u003ch2\u003eQuest 155 – High-Capacity Professional Humidity Control\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eQuest 155 Overhead Dehumidifier\u003c\/strong\u003e combines high moisture-removal capacity with impressive energy efficiency and flexible installation.\u003c\/p\u003e\n\n\u003cp\u003eWith \u003cstrong\u003e71 litres\/day extraction, 705m³\/hr airflow, 800W power consumption and MERV-13 filtration\u003c\/strong\u003e, it is well suited to commercial indoor growing environments and other applications requiring reliable, continuous humidity management.\u003c\/p\u003e","brand":"Quest","offers":[{"title":"Default Title","offer_id":59157977989503,"sku":null,"price":2474.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/0571\/1635\/files\/Quest_5-Series_Clear-600x600_png_82406fb3-090f-472a-80c2-bae843d31265.webp?v=1794394173","url":"https:\/\/greenspirit-hydroponics.com\/products\/quest-155-overhead-dehumidifier","provider":"Green Spirit Horticulture","version":"1.0","type":"link"}