HVAC Tips

HVAC Tip

Poor techniques and harsh chemicals can physically damage the coils or even compact the contamination into the centre of the coil. Replacement of Cooling Coils is an extremely expensive business with lengthy disruptions to the systems operation.

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HVAC Tip

A Clean and well maintained AHU, FCU or Package Unit is much more energy efficient and can make substantial savings in energy costs. It will also provide the highest indoor air quality possible for a healthier indoor environment. This results in a healthier, happier and more productive workforce.

HVAC Tip

The first 10 metres of a supply air duct is the most likely place to find Mould or other biological contamination. If there is no access to inspect this area then no one can know what is inside. AS/NZS 366.2 requires annual inspection of moisture producing areas in the system. Clean-Air can install Access Panels for these regular inspections.

HVAC Tip

If you don’t look, you just don’t know – without regular inspections no one can know what is inside a system. AS 3666.2 requires annual inspection of moisture producing areas.

HVAC Tip

Often around a supply grille there is an area of debris which builds up. This is not actually from dirty air from the air conditioning system but is caused by impingement of dust from the occupied space as it meets the conditioned air being delivered into the space. This is more of a general cleaning issue than a HVAC Hygiene issue.

HVAC Tip

Be aware of Birds and Vermin around HVAC systems especially “Fresh Air” Intakes. This can be a source of biological contamination.

HVAC Tip

The Human nose can be a very good detector when air is not right, musty smells or unpleasant odours can be a sign of moisture, mould, yeast or bacteria issues.

HVAC Tip

A Blue LED light can help to see mould in buildings – dim the room lights first, look under desks and drawers in low light areas.

HVAC Tip

Be aware of different situations which may affect Indoor Air Quality or the HVAC system:
1. Candles may look great but they can give off an oily soot which becomes an issue.
2. Food Courts