Air Conditioning Repair Certification (ETI) 2025 – 400 Free Practice Questions to Pass the Exam

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How often should an air conditioning unit typically be serviced?

Every month

Once a year

An air conditioning unit should typically be serviced once a year to ensure optimal performance and longevity. This annual maintenance check is crucial for various reasons.

Regular servicing allows technicians to inspect and clean critical components such as filters, coils, and drain lines, helping to prevent breakdowns and maintain energy efficiency. It also provides an opportunity to identify potential issues before they develop into more significant, costly repairs. Regular maintenance can enhance the system's cooling efficiency, thereby reducing energy bills and extending the lifespan of the unit. Additionally, in some regions with extreme weather conditions, more frequent servicing may be recommended, but the standard practice is to schedule a service at least once annually.

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Every two years

Every five years

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