For Perth’s extreme 40°C+ summer peaks, Daikin and Mitsubishi Heavy Industries are the top-rated brands due to their high-ambient temperature engineering. These units maintain cooling capacity even when outdoor temperatures exceed 45°C, unlike many budget-tier models..
Brand Breakdown:
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Daikin (The Gold Standard): Known for its “swing compressor” technology which is whisper-quiet and extremely durable in the Malaga/Perth industrial corridor.
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Panasonic (Best Air Quality): Features nanoe™ X technology, which is perfect for Perth families who suffer from seasonal allergies or hay fever.
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Mitsubishi Heavy Industries: Consistently rated by CHOICE as the most reliable brand in Australia for 2025-2026.