Frequently Asked Questions (FAQ) About Muzan Engineering Services 

We charge a basic inspection fee for diagnosis, which will be waived/deducted from your final bill should you proceed with the repair with us. The charge will be informed upfront. 

Yes, we provide a warranty of 30 days for all repair work and 3 months for new installations. Spare parts carry the manufacturer's warranty. 

This is usually due to an internal component failure (such as the impeller or bearing) or a motor capacitor issue. It requires a physical on-site inspection. 

A high-quality, well-maintained pump can last between 5 to 10 years. We only supply genuine units to ensure maximum lifespan. 

Chemical Service involves using a chemical solution for deep cleaning the core components (fins, blower), removing stubborn dirt that can affect efficiency and cooling. 

For standard residential use, we recommend normal servicing every 3 months and a chemical service every 6 to 12 months.