Search PHONE 0800 Stay Cool

Quick Links

News Archive News 2009 Story

Archive News






HVAC Remediation Essential After Severe Weather Events


The massive dust clouds that hit Sydney and Brisbane over the last few weeks resulted in the majority of open recirculating cooling water systems receiving considerable airborne contamination. Haden advised Climate Control News on the importance of remediating air conditioning systems after severe weather, fire and flooding events. 

While proactive maintenance regimes are essential for maintaining the health and efficiency of air conditioning systems, freak storm, flood or fire activity causes havoc that no one can prepare for.
With the frequency of dust storms and severe weather occurrences, Haden’s service manager for Broken Hill, Matthew Mann, has had to cope with the remediation of HVAC units on a large scale, with as many as five severe dust storms pass through in five weeks. “It is pointless to be proactive and give everything a once-off clean, as these storms are unpredictable. We have to deal with it as best we can and identify any problem areas and rectify prior to breakdowns occurring.”
Standard fresh air and supply air filters have been choked with the fine dust particles, and in some cases, the particles have passed through the filters and contaminated the whole conditioned space, not to mention leaving a residue throughout the
internal ductwork and components.”
But it is much more than that, he says. “Switchboards have been contaminated and condenser coils have been affected. The true
effects will not be known until we have our first hot summer days, when systems will begin shutting down due to high head pressures from the blocked condenser coils.”
The sheer amount of dust settling in Broken Hill means that no system is immune. “Evaporative coolers have been similarly
affected. The dust has settled in the cooling pads, and once the cooler is turned on, a blast of dust enters the room, then as the water passes over the filter pads, the sump accumulates mud, which is then circulated back through the system.”

Click here to read the full article as it appeared in the December issue of Climate Control News.

(Parts of this interview reprinted with permission of Climate Control News.)


David Andrews
General Manager Business Development

Haden Engineering Pty Limited
Int: 61 438147135
Aus:  0438147135

Print | Email