The importance of fan coil unit maintenance together with regular ductwork cleaning cannot be stressed too highly when you consider that a failure to keep coils clean or simply replace air filters can increase operating costs by as much as 25%. That’s before you start to take in to account any reductions in heating or cooling performance, the inconvenience of increased breakdowns, higher reactive maintenance costs, and the impact on indoor air quality and the health and wellbeing of building occupants.

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