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How to Check your filter and Choose the Correct Filter Size

It is important to check and maintain the furnace filter in your home if you want to ensure that it is running efficiently and safely. Having a an aged and clogged filter can cause problems such as causing your furnace to not run properly, not providing consistent heat, and causing more dirt and debris to build up, potentially leading mechanical failures and also safety and health risks.  Yes ignoring your filter can do all of that. Fortunately, inspecting and changing a furnace filter is relatively simple and can be easily accomplished with a few basic tools.

Filter Location & Inspection

Locate your filterTo begin, start by locating the filter. Most filters are located either in the grate of the return air duct, most often in the bottom of the furnace itself. Once you have located the filter, open the door or grate of the return air duct and take out the filter. Inspect the filter for any signs of damage or accumulation of dirt and debris. If the filter has become clogged, or is badly damaged, replace it with a new one.  It is that simple!

Order the Correct Size

It is also important to purchase the correct size of filter for your furnace. The size of the filter will be listed on the existing one, or you can consult the user manual of your furnace, for instructions on which size of filter to buy. Many home improvement stores only stock a limited range of standard sizes, and usually very limited MERV Ratings. This is why purchasing on line, here is a good choice.  Once your filter arrives, make sure you check the size and type before installing it. It is important it fits properly to be effective in cleaning the air in your home.

Installing Your Filter

To install the filter, simply slide the new filter into the return air duct or bottom of the furnace. The direction of air flow with most filters is clearly marked. Do place the filter back with the airflow arrow to suit.  The filter is usually on the return air side of your furnace, usually at the bottom or side. The the rerun air airflow is always towards the furnace. Secure the filter in place with any clips that are provided, and then close the door or grate if there is one. Often times it simply slides into a slot. It is very important to remember to change your filter every few months, or according to the manufacturer's instructions, to keep it in good working order.  We can help you accomplish this by email reminders and also you can enrol in our subscription

Regular Maintenance

So to sum things up; it is very important to check and maintain your furnace filter regularly in order to keep your furnace running efficiently and safely. Begin by locating the filter, either in the return air duct or in the bottom of the furnace. Inspect the current filter for any signs of damage or build up, and if it needs replacing, make sure to order the correct size for your particular make and model. Installing the new filter is relatively simple and can be done with a few basic tools. Remember to change the filter every few months or according to the furnace manual to keep it in good working order. If you need our help, feel free to call us. We are here to assist you.