Top Dehumidifiers for Winter at TG Hydroponics

Winter in Australia, especially in places like Melbourne, brings with it lower temperatures and often, higher humidity. While some humidity is good, excessive moisture in your indoor hydroponic garden can lead to a host of problems, from sluggish plant growth to dreaded mould and mildew. That's why a reliable dehumidifier is an absolute must-have during the cooler, wetter months.

At TG Hydroponics, we understand the critical role environmental control plays in successful growing. We offer a range of high-quality dehumidifiers designed to keep your grow space at optimal humidity levels, ensuring your plants thrive. Let's look at some of our top picks for winter at TG Hydroponics!


Why a Dehumidifier is Essential for Your Winter Grow

During winter, several factors can increase humidity in your grow room:

  • Closed Environments: We tend to seal up grow rooms more tightly to maintain warmth, reducing natural airflow.
  • Transpiration: Plants naturally release moisture into the air through their leaves (transpiration). The more plants you have, the more moisture is released.
  • Cooler Temperatures: Cooler air holds less moisture, so when warm, humid air from your plants cools, water condenses, raising relative humidity.
  • Increased Risk of Mould & Mildew: High humidity is a breeding ground for harmful fungi, which can devastate your crop.

Maintaining an ideal relative humidity (RH) of 40-60% during the vegetative stage and 40-50% during flowering is crucial for preventing diseases and promoting healthy growth.


Top Dehumidifier Picks for Winter at TG Hydroponics

We've carefully selected dehumidifiers that offer efficiency, reliability, and excellent performance for various grow room sizes. Here are some of our best-sellers this winter:

1. Compact & Efficient: The Eco-Friendly Choice

  • Ideal for: Smaller grow tents (e.g., 0.8m x 0.8m to 1.2m x 1.2m) or propagation areas.
  • Features: These models are typically small, quiet, and consume minimal power. They might use desiccant technology or a small compressor. They're perfect for maintaining humidity in a confined space without a large energy footprint.
  • Benefits: Low running cost, discreet, and simple to operate. Collects excess moisture efficiently for its size.

2. Mid-Range Powerhouse: The All-Rounder

  • Ideal for: Medium-sized grow rooms (e.g., 1.2m x 1.2m to 2.4m x 2.4m) or larger tents.
  • Features: These models often feature a larger compressor, offering higher moisture extraction rates (e.g., 20-30 litres per day). Many come with a built-in humidistat, allowing you to set your desired humidity level, and a continuous drain option so you don't have to empty the water tank manually.
  • Benefits: Excellent balance of performance and energy efficiency. Robust enough to handle fluctuating winter humidity.

3. Heavy-Duty & Commercial Grade: For Serious Growers

  • Ideal for: Large grow rooms, multiple tents, or small commercial operations.
  • Features: These are powerful units designed for continuous operation in demanding environments. They boast high extraction rates (e.g., 50+ litres per day), durable construction, and advanced controls. Some may offer features like remote monitoring or integrated filtration.
  • Benefits: Unmatched performance and reliability for large spaces. Essential for preventing widespread humidity issues in bigger setups.

Key Features to Look for When Choosing a Dehumidifier

When Browse our selection at TG Hydroponics, consider these features to find the perfect fit:

  • Moisture Extraction Rate (Litres/Day): This indicates how much water the unit can remove from the air in 24 hours. Match this to your grow room size and the humidity level you're facing.
  • Tank Capacity or Continuous Drain Option: A larger tank means less frequent emptying. A continuous drain allows you to connect a hose and drain water directly, saving you hassle.
  • Humidistat/Digital Control: Allows you to set a target humidity level, and the unit will automatically turn on/off to maintain it.
  • Operating Temperature Range: Ensure the dehumidifier can perform efficiently at the cooler temperatures often found in winter grow rooms.
  • Noise Level: Especially important if your grow room is in a living area.
  • Energy Efficiency: Look for models with good energy ratings to keep running costs down.


Why Buy Your Dehumidifier from TG Hydroponics?

At TG Hydroponics, we're more than just a store; we're your partners in successful growing.

  • Quality Selection: We handpick dehumidifiers from trusted brands known for their performance and durability.
  • Competitive Pricing: We strive to offer the best prices in Australia, ensuring you get great value for your investment.
  • Reliable Warranty: All our products come with a solid warranty, giving you peace of mind.
  • Expert Advice: Our knowledgeable team can help you assess your grow room needs and recommend the ideal dehumidifier.
  • Winter Sale Advantage: Don't forget, our Winter Sale is currently offering up to 50% off across various products, including environmental control systems!

Don't let high humidity ruin your winter harvest. Invest in a quality dehumidifier from TG Hydroponics and ensure your plants enjoy the perfect climate, all season long.


Visit our website at tghydroponics.com.au to explore our full range of dehumidifiers and environmental control solutions. You can also reach us via phone: 0405546688 or email: tonygarden3020@gmail.com for personalized advice.

Leave a comment

All comments are moderated before being published