The most common mistakes that lead to frequent break down of your HVAC unit are due to lack of proper maintenance. You shouldn’t forget that the piece of equipment that you take for granted is performing major functions in order to cool your home hence it deserves more attention which you need to provide by servicing it regularly and if such services are not provided then you can expect a costly repair soon. To start with you need to check the filters. Clogged filters reduce the unit’s efficiency so clean it regularly for efficient cooling. Check the outdoor unit whether it is blocked by growing plants or other debris. Clean the area so that the unit can function properly. If the level of refrigerant decreases then it will affect the cooling efficiency of the unit so get it checked by a professional so that it can be refilled if necessary.
Apart from the routine services you should also pay attention while the unit is working so as to ensure that everything is fine. Any unusual sound has to be checked in detail by a professional as they can identify the problem and rectify it before it is too late and will cost you huge amount. If you ignore such small symptoms then it will eventually lead to major repair works which can turn out to be a costly affair. Also be sure that the air vents of the unit are not covered up as it can lead to inefficiency in cooling. For proper air flow the units air vents has to be fully open without any obstructions.