Quest 155 Overhead Dehumidifier

Price Match
Quest 155 Overhead Dehumidifier
Price Match
Quest 155 Overhead Dehumidifier £2699.99  Inc. VAT
Want it delivered by Saturday, 1st Jun?
£6.99 Next working day  (3pm cut-off)
£4.50 Standard delivery 2 - 4 working days (free on orders over £50)
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Quest 155 Overhead Dehumidifier

In the intricate ecosystem of indoor gardening, every element plays a pivotal role in nurturing plant health and optimizing growth. Among these elements, managing humidity stands out as a critical factor. The Quest 155 Dehumidifier emerges as a game-changer in this arena, offering robust solutions to humidity control that cater to the unique needs of grow rooms. Let's delve into the myriad of positive aspects that the Quest 155 Dehumidifier brings to indoor gardening environments.

Superior Humidity Management

At the heart of the Quest 155 Dehumidifier's appeal is its unmatched efficiency in removing excess moisture from the air. This powerhouse device can extract significant amounts of water daily, making it ideal for large-scale operations or particularly humid climates. By maintaining the optimal humidity level, the Quest 155 safeguards plants against the damp conditions that foster mold, mildew, and other moisture-related issues, ensuring a healthier grow room environment.

Energy Efficiency and Cost Savings

Despite its high capacity, the Quest 155 Dehumidifier is remarkably energy efficient. It's engineered to maximize moisture extraction without the hefty energy consumption typical of industrial-grade dehumidifiers. This efficiency translates to lower electricity bills and a reduced carbon footprint, making it an eco-friendly and cost-effective choice for conscientious growers.

Enhanced Plant Growth and Yield

Plants thrive in environments where humidity is precisely controlled. The Quest 155 Dehumidifier facilitates optimal transpiration rates, ensuring plants can efficiently release water vapor and absorb carbon dioxide for photosynthesis. This process is vital for healthy growth and robust yields. By maintaining the ideal humidity levels, the Quest 155 not only promotes vigorous plant growth but also improves the quality and quantity of the harvest.

Pest and Disease Reduction

High humidity is a breeding ground for a host of pests and diseases that can compromise plant health and productivity. The Quest 155 Dehumidifier acts as a preventive measure, creating a less hospitable environment for pests such as spider mites and pathogens like powdery mildew. This proactive approach to pest and disease management can significantly reduce the need for chemical treatments, leading to a more natural and sustainable growing practice.

Longevity and Reliability

Designed for the demanding conditions of grow rooms, the Quest 155 Dehumidifier is built to last. Its durability means that growers can depend on it season after season, with minimal maintenance. This reliability ensures uninterrupted operation, giving growers peace of mind and allowing them to focus more on cultivating their plants and less on equipment issues.


The Quest 155 Dehumidifier stands out as an indispensable ally in the quest for perfect grow room conditions. Its benefits extend far beyond simple humidity control, touching on every aspect of plant cultivation from health and growth to yield and disease prevention. For growers aiming for professional-grade results, integrating a Quest 155 Dehumidifier into their grow room setup means setting the stage for unparalleled success. In the dynamic world of indoor gardening, the Quest 155 offers a blend of performance, efficiency, and reliability that is hard to beat, making it an investment that pays dividends in healthy, bountiful harvests.


Built to fit what works for your space


No installation required


No dehumidifier is more efficient


Of temperature and relative humidity


For extended reach


Unit automatically defaults to prior settings in the event of a power outage


Superior filtration removes more harmful contaminants from the air such as dust, pollen and mold as well as bacteria and some viruses

Mainland England & Wales

  • Orders over £50 are Free Standard Delivery.
  • Orders under £50 are £4.50 Standard Delivery
  • Next Day Delivery £6.99

We ship parcels using DHL tracked Service. DHL will send you tracking information by email or text to inform you know when they will be delivering your parcel.

Small items are sent via a Royal Mail tracked service.

Our cut-off time for deliveries to leave us the same day is 3pm Monday to Friday.

In Stock: 1 - 2 Working Days

Out of Stock: 2 - 4 Working Days

Items Marked 'Out of Stock' on the website are not currently available from our supplier. Please call or email & we will update you when available.

If any item ordered is unavailable we will contact you by email or phone with expected delivery times. We only debit orders on dispatch so should you wish to cancel, we will do so.

Free Product Exchange:

We allow 30 days for a product exchange. On receipt of the original unused items we will return your exchange carriage free.

Terms and conditions apply.

Scottish Highlands / Northern Ireland

  • In Stock: £13.99 Delivery 1 to 2 Working Days

The cut off time for deliveries to leave us the same day is 3pm Monday to Friday.

We ship using DHL tracked service. DHL will send tracking information by email or text so you know when they will be delivering your parcel.

Small items are sent via a Royal Mail tracked service.

Free Collection:

Please arrange a collection time and date with our team if you wish to collect your order.