How to Change Air Conditioner Filter
Now, you know how often to change air conditioner filter and why such replacement is necessary. The following are some guidelines regarding how to change air conditioner filter.
* Shut off the air conditioning system and try to locate the filter. In case of a furnace system, the air filter can be found attached to the AC unit itself, but, in a forced air system, air filter is usually located over a vent, through which the air is taken in. Mostly, the filter will be covered by a metal grill.
* Once you locate the air filter, check its size, which may be noted on the side of the device, or else call up the manufacturer for the details of the air filter installed in your air conditioning system.
* As you get the dimensions of the air filter in the system, purchase a new one of the same size. There are many types of air conditioner filters and you can choose the one best suited for you. Those who live in warm and dusty climates may go for more efficient filters.
* Before removing the old filter from the system, you have to note how the filter is attached to the system and make sure to mark the direction of airflow (look for similar markings on the old filter). Such details may be needed when you have to fix the new filter.
* Remove the old filter from the system and clean the grill with a vacuum cleaner. Now, fix the new air filter, in the same way as the old one was attached to the system. Take care of the right airflow direction, while fitting the new air filter. Once the new air filter is fixed, close the covering of the filter carefully.

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