The air we breathe contains impurities ranging from dust to chemicals. Apart from maintaining the preferred temperature, the air conditioning system ventilates your house by filtering out impurities and other particulate matter. The filter prevents the large airborne particles of about 40 microns from clogging the system. Normally, a dirty filter is a health hazard because when it becomes damp, it creates an environment that favors growth of moulds. This is why you should always check your air filter’s condition. Normally, your HVAC unit works overtime during winter and summer and this is why it is recommended that you change your air filter every month. However, if you cannot mange to change every month, intervals of three months will suffice. If you have pets it is vital to change the filter regularly as pet dander can be circulated accidentally throughout the house creating problem to persons with allergies. There are several reasons for changing the […]