
In simple terms: Variable Frequency Heat Pump = Conventional Heat Pump + Variable Frequency Compressor.
It automatically adjusts its power output like an air conditioner, instead of constantly switching between full load and shut-off.
Key Features
Adjustable Rotation Speed
- Conventional Heat Pump: Only operates in ON/OFF modes, with frequent starts and stops, high power consumption, and large temperature fluctuations.
- Variable Frequency Heat Pump: Compressor speed is adjustable—runs at low speed under light load and high speed under heavy load.
Ultra Energy Saving
No repeated high-power startup required, with smoother operation. Saves 20%~40% energy compared to fixed-frequency heat pumps.
More Precise Temperature Control
Small temperature fluctuations ensure more uniform drying and eliminate sudden temperature changes.
Quieter Operation & Longer Service Life
Reduces impact from frequent starts and stops, resulting in lower noise and less compressor wear.
The term “variable frequency heat pump” in daily use generally refers to an AC variable frequency heat pump, while a مضخة حرارية بعاكس تيار مستمر represents a more advanced variable frequency solution. The core differences between the two lie in the motor type, speed regulation principle, efficiency and stability.
(AI reference)
Kolant can produce DC inverter air source heat pumps, capacity 4.5 KW~45 KW, more details





