The outdoor unit has been hanging there for five years now, and I recently noticed that the brackets have started to rust. The Haval split system is working fine, it maintains the temperature. Do I need to replace the fasteners now or can this wait until next season?
You need to replace the fasteners now, don't put it off - rust eats away at metal, and the brackets might not hold up under the weight of the unit, especially if there's wind or heavy rain.
Over five years, the outdoor unit has accumulated quite a bit of moisture and dirt, so corrosion is progressing rapidly. Check not just the brackets, but the mounting bolts too - if they've seized up or are broken, it's better to have a specialist do the replacement so you don't damage the refrigerant lines during removal.
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