Most medium-to-large systems should not require a service call more than once every year. If, however, your system is smaller or older and is running below capacity, you may want to schedule a checkup sooner. 

Generally speaking, if your air conditioner is older than 10 years old and is in good working order, scheduling annual maintenance on it shouldn’t be necessary unless there are other factors affecting the performance of your system. For more information regarding this, you can visit https://www.fletchersengineering.co.uk/hvac-maintenance/.

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If you notice that your AC is running low on refrigerant, for example, it may be time to call a professional for an inspection.How Long Does It Take to Have My Air Conditioner Refreshed?Although it will depend on how long it takes a technician to diagnose and fix AC problems, most air conditioners can be serviced in just a few minutes. 

The speed at which your system cools the air depends on three factors: the type of unit you have, the size of the room you are trying to cool, and whether or not you have central air conditioning. The table below can help estimate how long it will take to complete an AC service call based on your home’s setup and size.

Finally, if you have a monitored HVAC system, regular maintenance can help ensure that it remains operational properly. Caveat: Servicing your HVAC system regularly does not mean you must replace the entire system or even all the parts. If only certain parts of the system are causing issues, it may be possible to solve those problems without having to replace the whole unit.