Dehumidifiers

Dehumidifiers For Sale

Dehumidifiers Australia

A dehumidifier works by removing excess moisture from the air, maintaining indoor humidity at a comfortable and safe level—generally between 40% and 60%. By doing so, it helps prevent mould and mildew, reduces dust mites and allergens, and improves overall air quality. For Australian households, this is especially valuable in bedrooms, laundries, bathrooms, and basements where moisture tends to accumulate.

Quest Dehumidifier

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7%
QUEST 100 OVERHEAD DEHUMIDIFIERS
Original price was: AUD$3,949.95.Current price is: AUD$3,699.99.

QUEST 100 OVERHEAD DEHUMIDIFIERS – 44L / DAY

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With a corrosion-resistant base, built-in drainage (no P-trap required), and quiet EC variable speed fans, the Quest 100 is ideal for compact commercial setups where space and air quality are critical. Engineered and assembled in the USA and backed by a 3-year limited warranty, the Quest 100 is built to last and perform for your Greenhouses or Timber shed Australia.
6%
QUEST 200 OVERHEAD DEHUMIDIFIERS
Original price was: AUD$5,799.95.Current price is: AUD$5,472.00.

QUEST 200 OVERHEAD DEHUMIDIFIERS – 90L / DAY

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Equipped with Quest’s patented M‑CoRR Technology, the Quest 200 delivers a superior energy factor of 3.9 L/kWh, while maintaining low heat output—helping you reduce operational costs and control your room climate more effectively. With a MERV 13 filter, this unit captures airborne dust, mould, bacteria, and allergens.
9%
QUEST 375 OVERHEAD DEHUMIDIFIERS
Original price was: AUD$9,499.95.Current price is: AUD$8,724.99.

QUEST 375 OVERHEAD DEHUMIDIFIERS – 170L / DAY

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The Quest 375 Overhead Dehumidifier is a high-capacity commercial humidity control system, removing up to 170 litres of moisture per day at 26.7°C / 60% RH. Engineered for 50Hz regions like Australia, this industrial-grade unit delivers 3.6 L/kWh of energy efficiency in a compact, overhead-mountable footprint—ideal for large grow rooms, processing facilities, and storage environments where reliable humidity regulation is essential.
Quest 506 Intake Duct Kit
AUD$578.24

Quest 506 Intake Duct Kit

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10%
QUEST 70 OVERHEAD DEHUMIDIFIER
Original price was: AUD$1,999.95.Current price is: AUD$1,800.00.

QUEST 70 OVERHEAD DEHUMIDIFIER – 26L / DAY

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They maintain an optimal growing environment that's essential for indoor and hydroponic gardening triumphs. Protect your investment, your plants, and your profits with Quest—the name trusted by gardening professionals worldwide. Built to Exceed Standards When it comes to construction, Quest doesn't cut corners.Our dehumidifiers are proudly made in Madison, WI, and they meet or exceed the highest industry standards, with ETL listing and UL certification. Rest easy knowing that QUEST 70 OVERHEAD DEHUMIDIFIER reliable construction is backed by an industry-leading warranty, providing you with peace of mind for years to come.
16%
QUEST 700 OVERHEAD DEHUMIDIFIERS
Original price was: AUD$16,487.33.Current price is: AUD$13,874.99.

QUEST 700 OVERHEAD DEHUMIDIFIERS – 332L / DAY

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The Quest 700 Overhead Dehumidifier is the most powerful model in the Quest 50Hz series, engineered for industrial-grade dehumidification in large-scale cultivation or climate-controlled facilities. With a staggering capacity of 332 litres per day at 26.7°C / 60% RH, it delivers unmatched performance while maintaining industry-leading efficiency of 3.9 L/kWh. Buy our Quest Dehumidifier in Australia
11%
QUEST 706 DEHUMIDIFIER 50HZ
Original price was: AUD$19,999.95.Current price is: AUD$17,855.00.

QUEST 706 DEHUMIDIFIER 50HZ – 334L / DAY

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The Quest 706 is the highest capacity dehumidifier on the market that’s specifically designed with efficiency and growers in mind , the Quest 706 is the highest capacity dehumidifier on the market that’s specifically designed with efficiency and growers in mind. Buy our Quest Dehumidifier in Australia
Quest DEH 3000R
AUD$481.14

Quest DEH 3000R Wall Mounted Humidistat

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The  3000R Digital Control features a remote sensor for monitoring and control conditions in a particular location in a larger space. With an easy-to-read back-lit display and digital control of relative humidity in real time, you can set your Quest dehumidifier for precise control of conditions in your monitored area. Buy our Quest Dehumidifier in Australia
Quest Dehumidifier 70 Pint
AUD$1,750.00

Quest Dehumidifier 70 Pint

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QUEST DRY 3000 REMOTE
AUD$420.00

QUEST DRY 3000 REMOTE

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The DEH 3000R Digital Control features a remote sensor for monitoring and control conditions in a particular location in a larger space. With an easy-to-read back-lit display and digital control of relative humidity in real time, you can set your Quest dehumidifier for precise control of conditions in your monitored area.
12%
QUEST DUAL 155 OVERHEAD DEHUMIDIFIER
Original price was: AUD$3,499.95.Current price is: AUD$3,100.00.

QUEST DUAL 155 OVERHEAD DEHUMIDIFIER – 71L / DAY

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Just plug it in - no cumbersome installation required. And if there's a power outage, it automatically restarts to your previous settings. Advanced MERV 11 filtration even captures dust, pollen, and mould from the air. Whether you need it in the basement, warehouse, or anywhere else, the Quest Dehumidifier makes moisture control a breeze.
Quest Dual Overhead Dehumidifier
Price range: AUD$3,650.00 through AUD$5,499.00

Quest Dual Overhead Dehumidifier

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4%
QUEST F9 AIR MOVER
Original price was: AUD$520.00.Current price is: AUD$500.00.

QUEST F9 AIR MOVER

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The QUEST F9 low-profile air mover fits under grow tables and circulates 925 cubic feet of air per minute. Research has shown stagnant CO2 accumulates under tables and airflow is essential. The F9 radial air mover helps prevent stagnant, water-logged air that encourages plant-killing molds and fungus gnats. Buy our Quest Dehumidifier in AustraliaUp to six F9s will daisy chain together on one 15-amp circuit. The F9 has no lights, ensuring total darkness during night cycles. Grow strong, healthy plants—Use our F9 air movers to promote a clean growing environment.