OptiClimate PRO3 Split Air Cooled Grow Room Cooler
OptiClimate PRO3 Split Air Cooled Grow Room Cooler
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Order by 3pm Mon–Fri — we aim to post same day · FREE Express Delivery over £60 · 1–2 working days · Free Wembley pickup
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Puts the noise and the heat outside the room
The OptiClimate PRO3 Split is the split-system version of the PRO3 water-cooled climate unit. The condensing side sits outside the grow space, which takes the compressor noise and the waste heat with it while the room keeps the same sealed, filtered, temperature and humidity control the standard PRO3 provides.
Key Benefits
- Compressor noise leaves the room - the single biggest complaint about an in-room climate unit
- Waste heat rejected outside - less load fighting itself inside a sealed space
- Full closed-loop control - temperature, humidity and filtration in one unit
- Three capacities - matched to room size and lighting load rather than one size fits all
- Pro 3 platform - the same controller, sensors and service parts as the standard units
A sealed room that cooks itself and can be heard from the street
An in-room climate unit rejects its heat into the space it is cooling and runs a compressor at head height. In a domestic building neither is ideal. A split system moves both problems outside, which is usually what makes a sealed room workable at all.
How to Use
- Sizing: match the model to the lighting load, not to the floor area
- Installation: the refrigerant side is an F-Gas job - it needs a qualified engineer
- Water circuit: fit the pressure reducing valve and solenoid valve on a mains-fed supply
- Commissioning: set the controller's temperature and humidity targets before the first full cycle
- Servicing: replace the carbon filter on schedule and keep the exchanger clean
Technical Specifications
- Type: Split-system water-cooled climate unit
- Platform: OptiClimate PRO3
- Capacities: 3500, 10000 and 15000
- Condensing side: External to the grow space
- Controls: Temperature, humidity and filtration
- Installation: F-Gas qualified engineer required

FREE Express Delivery on orders over £60. We aim to post same day for next-working-day arrival — order by 3pm Mon–Fri. Delivery is 1–2 working days. A few harder-to-stock or large, bulky items can take a little longer — we'll tell you if that applies to your order. Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.