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The 'V' in HVAC stands for ventilation, the process of swapping air in a space with new, cleaner air, in an effort to improve the air quality.

Ventilation is used in more than just heating and air conditioning - there are many health and quality of life improvements that can be achieved by regularly replacing the air we breathe indoors:

  • Help in the regulation of temperature
  • Increase the amount of oxygen in the air
  • Remove moisture, helping to prevent moisture and mold problems
  • Control odors and unpleasant smells
  • Reduce the amount of carbon dioxide
  • Remove particulates like dust and smoke
  • Prevent the spread of diseases and illnesses

Many efforts are made to increase the energy efficiency of our homes, through double glazing and thicker insulation for example, but these efforts have the unwanted effect of reducing the amount of fresh air entering our buildings.

WM Air Conditioning provide a variety of ventilation/air purification systems and solutions to suit a scale of needs.

Many ventilation systems can combine a number of operations into a single integrated system, such as ventilation (the exchanging and flow of fresh air), humidification (maintaining a balance of moisture in the air), filtration (removing dust and particles in the air), air processing (heating or cooling incoming air to reduce the load on air conditioners) and heat recovery (recovering and exchanging heat and energy in the system).

Heat recovery is very much linked to ventilation, with combined systems often referred to as mechanical ventilation heat recovery systems.

Heat recovery, in the context of buildings, is the collection and re-use of heat (therefore) energy that would otherwise be lost. As we become more concerned with energy efficiency, buildings become more 'airtight' meaning that ventilation systems are becoming necessary to keep comfort (and health) levels at a maximum within the indoor space.

Efficiency of the system can be increased even more by making use of the energy that would be lost from the re-circulated air in the HVAC system.

One very common example of a heat exchanger is the radiator in a car, in which the heat source, being a hot engine-cooling fluid or water, transfers heat to air flowing through the radiator (i.e. the heat transfer medium). This is exactly what we are doing with heat exchangers in your ventilation / air conditioning system: saving you money by wasting as little energy as possible.

Get parts from only the best, such as Daikin, Mitsubishi, Fuijitsu and Toshiba. The best installations with the best equipment.

"I called WM refrigeration reported the problem and virtually within the hour they were here and fixed it so credit where credit is due."

Hook Norton Brewery Co Limited


"In these troubled times it's good to know local firms still deliver great service and the engineer chappie was a good ole boy. Cheers from Worths Motor services."

Paul Worth