The Hailea HC Series Water Chillers are purpose-built to regulate nutrient solution temperatures in indoor horticultural systems, ensuring plants thrive in optimal conditions year-round. With a proven track record across a range of hydroponic setups, these chillers are a staple for serious growers demanding reliability, consistency, and performance.

This listing includes the following models: HC-100A, HC-150A, HC-250A, HC-300A, HC-500A, and HC-1000A.

Designed for use with Hailea HX88 Series Water Pumps (see below for pairing recommendations), these chillers are easy to integrate into existing nutrient circulation systems. Their titanium heat exchangers offer high corrosion resistance, making them ideal for nutrient-rich and potentially acidic solutions commonly found in hydroponics. A digital thermostat allows accurate temperature control and quick adjustments, while the quiet operation ensures minimal disruption to your grow space.

Built with quality components and a strong metal chassis (excluding 100A and 150A models, which feature durable ABS casing), the HC Series is trusted by growers for its long service life and dependable thermal performance. All models use R134a refrigerant, which is ozone-friendly.

Why Are Water Chillers Important?

In hydroponic systems such as Deep Water Culture (DWC) and Nutrient Film Technique (NFT), maintaining the correct nutrient solution temperature is critical to plant health and performance. Water chillers play a vital role in achieving this by actively regulating the temperature of the reservoir.

Warm nutrient solutions (above 21–22°C) reduce dissolved oxygen levels, creating an environment that encourages the growth of harmful pathogens like Pythium, which causes root rot. Root rot can severely damage or kill plants, leading to stunted growth, nutrient deficiencies, and crop failure.

By using a water chiller, growers can maintain nutrient temperatures within the optimal range of 18–20°C, which supports strong root development, improves oxygen uptake, and significantly reduces the risk of disease. This is especially important in indoor grow rooms or greenhouses where ambient temperatures often exceed ideal levels.

In high-performance hydroponic setups where yield and consistency are paramount, a water chiller is not just a luxury—it’s a crucial part of the system that protects your plants and maximises growth potential.

Technical Specifications

Hailea HC-100A

• Power Consumption: 1/20 HP (130 W)
• Cooling Capacity: 100–150 L
• Recommended Flow Rate: 200–600 L/hr
• Inlet/Outlet Diameter: 12 mm
• Suitable Tank Size: Up to 100 L
• Pair with Hailea HX8810 Water Pump

Hailea HC-150A

• Power Consumption: 1/10 HP (180 W)
• Cooling Capacity: 150–200 L
• Recommended Flow Rate: 250–1000 L/hr
• Inlet/Outlet Diameter: 12 mm
• Suitable Tank Size: Up to 150 L
• Pair with Hailea HX8810 Water Pump

Hailea HC-250A

• Power Consumption: 1/6 HP (280 W)
• Cooling Capacity: 250–300 L
• Recommended Flow Rate: 500–1200 L/hr
• Inlet/Outlet Diameter: 16 mm
• Suitable Tank Size: Up to 250 L
• Pair with Hailea HX8820 Water Pump

Hailea HC-300A

• Power Consumption: 1/4 HP (450 W)
• Cooling Capacity: 300–500 L
• Recommended Flow Rate: 500–1500 L/hr
• Inlet/Outlet Diameter: 16 mm
• Suitable Tank Size: Up to 300 L
• Pair with Hailea HX8820 Water Pump

Hailea HC-500A

• Power Consumption: 1/2 HP (900 W)
• Cooling Capacity: 500–800 L
• Recommended Flow Rate: 1000–2500 L/hr
• Inlet/Outlet Diameter: 20 mm
• Suitable Tank Size: Up to 500 L
• Pair with Hailea HX8825 Water Pump

Hailea HC-1000A

• Power Consumption: 1 HP (1200 W)
• Cooling Capacity: 1000–1200 L
• Recommended Flow Rate: 1200–3000 L/hr
• Inlet/Outlet Diameter: 25 mm
• Suitable Tank Size: Up to 1000 L
• Pair with Hailea HX8830 Water Pump