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Check the unit's age and condition; older ones may lack efficiency and be prone to breakdowns. Watch for rust, corrosion, or unusual noises indicating wear.
Explore the brand and model's reliability. Some brands are renowned for longevity and quality. Prioritize those with a proven track record of enduring performance.
Ensure the AC's cooling capacity matches your space. Undersized units struggle in large rooms, while oversized ones cycle inefficiently, affecting performance. Size appropriately.
Verify the air conditioner's energy efficiency with a high SEER rating. Opt for models that consume less electricity, saving money on long-term energy bills.
Ask about the unit's service history from the seller, including repairs and maintenance. Well-maintained ACs tend to have fewer issues and a longer lifespan.
Factor in special installation needs like specific electrical outlets or mounting hardware. These additional requirements influence the overall cost and should inform your decision.
Ask about warranty or return policy. Despite being second-hand, coverage against defects provides peace of mind.