- Mari Macnamara
- Grant Laidlaw
- Hits: 568
Filter maintenance (Part 2)
By Grant Laidlaw
In the previous issue, we looked at safety and the need for filtration. We now move on to the procedural side, types of filters and identification.
- Mari Macnamara
- Grant Laidlaw
- Hits: 854
Filter maintenance
By Grant Laidlaw
A basic how-to guide for HVAC filter maintenance in South Africa: what do you need to know to get the job done?
- Mari Macnamara
- Grant Laidlaw
- Hits: 1097
Looking at polyethylene flexible multilayered tube
By Grant Laidlaw
What is polyethylene flexible multilayered tube, and what are the pros and cons of this product that is entering our local market now?
- Mari Macnamara
- Charles Nicolson
- Hits: 1375
Acid descaling (Part 1)
By Charles Nicolson
We look at the process of removing scale that has already developed in condensers using descaling acidic chemicals.
- Mari Macnamara
- Charles Nicolson
- Hits: 1187
Acid descaling (Part 2)
By Charles Nicolson
This section looks at recommended practical methods for acid cleaning of condensing cooling water circuits in HVAC installations.
- Mari Macnamara
- Ron Burns
- Hits: 640
Smoke exhaust – it’s serious
By Ron Burns
I have skirted around the topic of multi-level buildings for a year now, but as this is probably the largest fire risk in South Africa today, the time has come to tackle the issue.
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