Getting the most out of your commercial air conditioning system

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While you want to get the most out of your air conditioning system, you also need to ensure it is being used efficiently. There are a number of things you can do to improve ventilation and temperature levels and here we offer some suggestions that could help your business.

Switch from recirculation to full outdoor air

Most systems recycle air to control the building temperature, although the threats caused by the pandemic and COVID-19 mean moving to a fresh air conditioning system should provide cleaner air, which remains a concern for many. While temperatures are harder to maintain, it reduces risk and promotes hygiene best practices. It isn’t as energy efficient as a recirculation system, but it is a move recommended by the World Health Organisation.

Change ventilation to nominal speed

This should ideally be done at least two hours before the building becomes active, and then you can switch to a lower speed a couple of hours after staff have arrived. Implementing this change allows circulation to reach optimum levels before people start to enter the building, and the system can reach an energy-saving base level at the end of the day.

Leave ventilation on 24/7

Avoid switching off ventilation overnight or at weekends in order to always maintain a steady level of circulation within the building. With the system running on a lower speed during this period, it means air can keep moving in and out of the premises and avoid any build-up of airborne viral aerosols. Set the system so the fans are continuously working, as this will maintain a good level of air quality, and avoid changing existing heating, cooling and humidification settings.

Regular window airing

An efficient way to improve air exchange rates is to ensure windows are regularly opened within the building. When used in conjunction with the measures above, it will also help to boost ventilation. Make this a regular practice, even if the building is mechanically ventilated, while using operable windows in a non-mechanically ventilated building will prove particularly helpful.

Avoid heating and cooling together

It is counterproductive to heat and cool your building at the same time, although it can be a common issue to overcome, especially if more than one person is operating the system. The best way around this is to agree on and set a gap of around 4-5°C between the temperatures were cooling and heating processes begin. It will reduce energy expenditure, save money and prevent your air conditioning units running in short cycles, which can create long-term damage.
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