KAISAI Heat Pumps Monoblock R290 (KHX)

Product description

Air-to-water heat pumps with environmentally friendly R290 refrigerant are a new energy-saving solution in the KAISAI range, providing the highest energy class A+++, high water outlet temperature and quiet operation.

The combination of environmentally friendly R290 refrigerant and inverter technology ensures efficient heating and cooling of the home and domestic hot water even in extremely cold climates. The innovative design of the heat pump, the materials used and the technical solutions ensure quiet operation.

An additional advantage of the pumps is the stylish design of the casing with its distinctive wave pattern and original panel without visible screws on the surface of the unit.

The pump’s high comfort of use is ensured by a central control system with a high-end controller equipped with a 5-inch colour touchscreen for quick insight into the unit’s parameters and its remote operation.


  • Operation of heating systems and hot water production
  • Built-in control system ready for connection of additional components (optional): two-stage instantaneous water heater, diverter valve, storage tank temperature sensors, room temperature sensors, additional thermostats and other control inputs
  • Intelligent exchanger defrosting
  • Central control system
  • Panel and top cover made of corrosion-resistant ASA material
  • Sound insulation, cushioning and noise reduction
  • Intuitive control
  • Multilingual menu

Technical data

  • Nominal heat capacity: 9 / 15 / 22 kW
  • Refrigerant R290
  • Energy rate (heating) (35°C/55°C): A+++/A+++
  • COP: up to 4.54
  • Water temperature range - heating mode: 9~75°C
  • Water temperature range - cooling mode: 5~15°C
  • Outdoor temperature range - heating mode: -25~43°C
  • Outdoor temperature range - cooling mode: -5~43°C