The answer to 'when to service replacement' is that HVAC systems should be serviced annually, or more frequently if there are any issues or problems. Proper maintenance is essential to ensure your HVAC system runs efficiently, extends its lifespan, and keeps your home comfortable. This includes tasks like cleaning the condenser coils, changing the air filters, lubricating moving parts, and inspecting for any wear or damage.
It's best to schedule a professional HVAC tune-up in the spring or fall, before the peak heating or cooling seasons. This allows the technician to identify and address any issues before they become major problems. Additionally, you should monitor your system throughout the year and call for service if you notice any unusual noises, reduced airflow, or changes in energy usage.