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Pioneers in heat pump technology & Efficiency

As a result of the advanced technology and inverter drive, the MasterTherm heat pumps are positioned among the most efficient and effective heat pumps on European and International markets.This is reflected in their classification and achieved heating efficiency µs. The majority of Inverter driven MasterTherm heat pumps already comply with the future highest class of A+++ 

Comfort at your fingertips


All heat pumps can be connected to the Internet. Users have the ability to control and monitor units from the Web, iPad or mobile phone (android and iOS).

Integrated with Octopus Energy

Integration with Octopus means we are now able to offer you savings on running your heating and hot water of up to 50% on the already low costs of running a heat pump!


Operation of the heat pump online


Advances in technology allow full monitoring of heat pumps online. Through a remote connection room temperatures, water temperatures and operating parameters can be monitored and altered remotely. Data collected from the heat pump and stored, accessible for several years.

Continuous monitoring of the heat pump allows us to provide a 7-year warranty when connected to the Internet.


Very quiet operation thanks to the new design fans


We use only:

  • advanced low-speed fans with a very low sound level

  • quiet double scroll or rotary compressors, located in the indoor unit on a special anti-vibration frame

  • electronically controlled expansion valve, substantially reducing noisy "shock" when defrosting the outdoor unit

  • special soundproof cabinets

Find out more about the low noise output of MasterTherm heat pumps.


Your choice of colour


MasterTherm units come in all shapes, sizes and colours!

Choose from one of our standard colours for FREE. Choose your own unique RAL colour for only £300.


Desuperheater: high temperature DHW


An optional desuperheater device can be fitted to the heat pump to provide efficient high temperature domestic hot water heating. It is a heat exchanger energy consuming high temperature at the outlet of hot vapor from the compressor. This energy is transferred into a separate hydraulic hot water circuit. Hot water runs when the compressor is running as a "byproduct" to heat domestic hot water.


Inverter: experience the future, today


Alternating the frequency of an inverter heat pump allows continuous regulation of the heating / cooling capacity between 30-100%. It has a number of other advantages including:

  • Bigger energy savings

  • Increasing the overall COP

  • Reducing the number of starts, increasing lifespan

  • Zero amp starting current eliminating upgrades required to connect to electricity network

  • No requirement for buffer tank – saving cost and plant room space.


Intelligent control of heating circuits


Heat pump Master Therm = entire heating (cooling) system. Master Therm brings you the highest possible level of control of heating or cooling circuits. Control up to 6 heating circuits incl. swimming pool, solar array and DHW.

The heat pump receives requests for heating water temperature of individual heating circuits Revises its desired internal room temperature in individual heating zones. The heat pump provides heating temperature corresponding to the maximum desired value, is the currently hottest heating circuit, other circuits control the mixing valve.

The heat pump and never work with a higher flow temperature than is absolutely necessary. Similarly, when cooling. This is for all times to ensure maximum COP and the inside temperature is very accurately controlled.


Electronic expansion valve


Electronically controlled expansion valve (EEV) moves heat pump several classes higher. Increases its efficiency (COP), operational reliability and lifetime. Prioneering the use of electronic refrigerant injection. we are among the leaders in using this technology and it is constantly improving.

EEV allows to accurately control the temperature of the refrigerant on the evaporator. With EEV, we can provide additional heating capacity and increase the coefficient of performance (COP) of the heat pump.

EEV protects the compressor at high loads controlled by spraying liquid. Conversely, under low load (e.g. at a heating water flow temperature <30 ° C) can be an electronic valve is fully open, and to achieve a high COP, a thermostatic valve (TEV) is not possible.

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