When you forget to change the air filters in a timely manor when it comes to your central heating and a/c system, it could end up costing you some extreme money! How you may ask? Well, what can happen if you do not change the air filters of your central heating and a/c method on time is that your Heating & A/C unit will start to work overtime, and in the end it will blow out and break down! This will cost you hundreds of dollars in heating and a/c method maintenance from your local heating and cooling provider. Or, even worse it could cost you to spend thoUSnds on a brand new, modern, legitimately luxurious and legitimately powerful central heating and a/c method unit. You would get a legitimately powerful a single because you would want to have the best in heating and a/c after experiencing the damage of your old central heating and a/c method unit. However, all of this does not have to happen or even be a though if you just change the air filters of the central heating and a/c method on time. That is usually once a month to once every other month if dealing with usual brand air filters. When it comes to upper end air filters adore HEPA air filters, you could go a few weeks or so separate from needing to change the air filter because HEPA brand air filters are longer lasting all together. But the bottom line is, do not let your air filters go unchanged for a long phase of time!