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Prima Klima 800 m³/h Temperature Controlled
The Prima Klima 800 m³/h Temperature Controlled extractor pairs a Ø 160 mm centrifugal fan with an integrated thermostat that continuously adjusts speed based on measured air temperature. Under 600W HPS lighting, daytime extraction needs differ dramatically from dark-period requirements — this fan bridges that gap automatically, scaling from standstill to 800 m³/h without manual input. The variable speed operation reduces average power consumption below the 110W maximum and extends carbon filter life by lowering mean airflow through the activated carbon. Temperature target adjustable from 20 to 30°C. MES AC ebm-papst motor, sealed ball bearings. Order at plantandflower.be.
Prima Klima 800 m³/h Temperature Controlled – high-capacity automated extraction for serious grow rooms
Fixed-speed extractors solve a static problem in a dynamic environment. Grow room temperatures change with every light cycle, every weather shift, every season — yet a fixed fan runs at the same output regardless. The Prima Klima 800 m³/h Temperature Controlled eliminates this mismatch by continuously adjusting motor speed based on real-time temperature data from a built-in sensor. Through a Ø 160 mm flange, it delivers anywhere from standstill to 800 m³/h depending on actual thermal demand. Growers working in smaller tents with 125 mm connections can access the same technology in the Prima Klima 400 m³/h thermostat model.
Running costs: variable speed vs fixed speed
A fixed 800 m³/h extractor consumes 110W continuously — 2.64 kWh per day, regardless of whether the grow room actually needs full extraction. The thermostat model draws 110W only at peak demand. During dark periods, cooler weather, or early vegetative stages when heat load is lower, the motor runs at a fraction of its maximum speed and consumes proportionally less power. Over a 10-week flowering cycle on a 12/12 schedule, roughly half the time is spent in the dark period with reduced extraction needs. That translates to a meaningful reduction in cumulative energy consumption compared to running a fixed-speed unit at full output around the clock.
Carbon filter longevity: an overlooked benefit
Activated carbon filters have a finite lifespan determined largely by the volume of air processed. A filter exposed to a continuous 800 m³/h saturates faster than one receiving a variable airflow that averages significantly less. The PK160-TC's thermostat naturally reduces average throughput during cooler periods, slowing carbon saturation and extending usable filter life by weeks compared to a constant-speed setup. This benefit compounds over time: longer filter life means fewer replacements and lower long-term operating costs. Pair this extractor with a Can-Lite 800 carbon filter for optimised odour management across the full speed range.
Thermostat vs 2 Speed: choosing the right control method
The Prima Klima 2 Speed 420-800 m³/h offers two fixed presets switched manually. The thermostat model provides infinitely variable speed driven by temperature data. In practical terms: the 2 Speed jumps between two set points with nothing in between. The thermostat operates at any speed within its range, matching extraction precisely to thermal load. A hot afternoon ramps the fan towards maximum. A cool evening scales it back to a whisper. This granularity produces a more stable climate with fewer temperature swings than toggling between two fixed speeds. Connect via 163 mm aluminium ducting (10m) for longer runs or use insulated ducting for noise-sensitive environments.
Order the Prima Klima 800 m³/h Temperature Controlled from plantandflower.be with fast shipping across Belgium. High-capacity extraction with intelligent, hands-free climate management built in.
How much energy does the thermostat model save compared to a fixed-speed fan?
Savings depend on your light schedule and ambient temperature. During a 12/12 flowering cycle, the motor runs at reduced speed for roughly half the day, cutting cumulative consumption significantly below the 2.64 kWh daily draw of a fixed 110W fan. In vegetative 18/6 cycles, savings are smaller but still meaningful during the 6-hour dark period and any cooler daytime conditions.
Does variable speed extraction extend carbon filter life?
Yes. Carbon filter saturation is driven by total air volume processed. By reducing average airflow during cooler periods, the thermostat lowers cumulative throughput compared to a fixed-speed setup. This can extend filter life by several weeks depending on conditions, reducing long-term replacement costs.
When should I choose the PK160-TC thermostat over the PK125-TC?
Choose the PK160-TC when your grow space exceeds 1 m², when running 600W+ lighting, or when your duct system uses 160 mm connections. The PK125-TC at 400 m³/h suits spaces up to 1 m² with 125 mm ducting. Both models use the same thermostat technology with 20-30°C adjustable range.
Can I use this thermostat fan with an external climate controller?
The PK160-TC has its own integrated temperature regulation system. An external controller is unnecessary and may conflict with the built-in thermostat. If you need centralised climate management with multiple sensors and devices, consider the 1-speed model paired with a dedicated external controller as a more suitable foundation.
