Harmon Air Conditioning are leading suppliers and installers of Mitsubishi Electric Air Conditioning products. Our technicians are fully trained in all aspects of this equipment and we can also offer first class advice to our clients ensuring that they choose the best option for their particular application.We design Air Conditioning systems to suit our clients requirements.

M Series

Designed to heat or cool small to medium sized applications, the M Series range provides a versatile, yet affordable air conditioning solution. Quick to install and quiet to run, this attractive range offers the perfect way to ensure a comfortable environment with the minimum of disruption.

Surprisingly affordable, the efficiency of the M Series range presents substantial savings in heating mode, when compared with more conventional heating systems. Additional features such as “Econo-Cool” allow airflow to be precisely directed towards users, allowing set temperatures to be raised by 2 degrees Centigrade with no loss in comfort and a 20% gain in energy efficiency.

For further information about the M Series range, click here.

Mr Slim

Suitable to heat or cool a huge variety of applications, the Mr Slim range is one of the best selling airconditioning split systems. Combine the efficiency with the complete versatility that this range has to offer and the possibilities are virtually infinite.

Mr. Slim derives its name from the neastly designed outdoor units – one of the first to offer wall mounting as a alternative to roof mounting.The name can equally be applied to the wide range of compact and attractive indoor units that are available.With a wide range of heating and cooling capacities and auto-changeover as standard, this range is ideal for use in a variety of configurations suited to spaces such as offices, restaurants and shops.

For further information about the Mr Slim range, click here.

City Multi

The City Multi range is Mitsubishi Electric’s answer to large scale VRF (Variable Refrigerant Flow) applications. The efficiency of City Multi (in particular the new YEM-A Series models) is second to none and offers a substantial increase in energy efficiency with corresponding EER/COP ratings.

The City Multi Y Series range offers a simple and flexible solution where there is a demand for a changeover capability between heating and cooling, helping to ensure a constant, comfortable indoor climate. With a wide range of 60 indoor units, up to 32 (depending on the capacity available) can be connected to a single Y series outdoor unit. New models in this range include the single phase 5hp model (an impressive model when specifying VRF for small to medium sized applications), as well as the 13hp YEM-A model, offering increased capacity with minimal space requirement.

For further information about the City Multi range, click here.


Poor air quality can be attributed to many problems in the workplace or in the home. It is believed to contribute to a significant loss in productivity, low morale and higher rates of sickness amongst many employees. The object of providing good ventilation alongside air conditioning in residential and commercial buildings is to provide conditions under which people can live and work in corfort and safety.

Developed and refined over the past 30 years, the Lossnay system has perfected the recovery of waste energy. The units reduce overall energy costs by extracting stale air and then recovering the heating or cooling energy to either warm or cool incoming fresh air. By utilising this energy, the Lossnay system can save up to 30% on initial capital costs of heating and cooling plant.

For further information about the Lossnay range, click here.


The need for control is paramount in order to optimise the performance of any air conditioning system and minimise its running costs. Mitsubishi Electric offers a wide range of control options designed to do just this.

Operating an air conditioning system without the right control can prove costly. It’s therefore important to ensure that every system is correctly specified to the degree of control it requires. Mitsubishi Electric have a wide range of controls “off the shelf” and where needed, individual systems can be designed to suit.

Good controls will benefit any application large or small. Air conditioning products need to react to a variety of factors. Different room sizes, usage and staff levels, changes in the climate, electronic equipment and lighting …the list goes on. Whatever the application, optimum control of air conditioning systems is essential and will result in a constant, comfortable environment, which in turn is both energy and cost efficient.

For further information about the Misubishi Controls, click here.


Harmon AirConditioning are agents for the Clima range of products. The MC belongs to the Technical Wall Series and its vertical design guarantees a reduced footprint and minimum floor space occupancy.

This family of air-conditioning units offers full frontal access for all standard maintenance and repair work., and with no requirement for lateral service areas, allows units to be placed side by side.

The MC air-conditioning units can be either upflow or downflow with individual units up to 50Kw cooling.

To see more information on this range of products please click here.

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