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Dirty Furnace Filter

 
Dirty furnace filter

 

What can a dirty furnace filter cause with your heating and cooling system?  The short answer to that question is that it can shut the unit down!  I have seen this situation happen over and over again and if you are a frequent reader of this blog, then you know I am going to explain why it is so important to change your air filter on a regular basis.

With winter in full swing your heating system is working hard to satisfy the temperature that you have your thermostat set at. When the heater is running with a dirty filter, it can cause restriction in the system and in turn, the hot air that is being generated in the heat exchanger cannot be removed.  Inside your heat exchanger there is a limit that will keep it from exceeding a certain temperature. The inside of the heat exchanger can get so hot that it could start a fire and that limit is helping prevent that. 

You would not believe how many times I have run into this situation and that is why it is so important to replace your air filters on a regular basis. The less air that is restricted, the better your system will heat your home or business.  How often do you change your filter? 

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Comments

For those home owners who want some assistance remembering when they need to change the filter in their furnace or when they need to schedule the next furnace inspection they can use a free online To Do List service at http://doonext.com
 
The service allows multiple tasks with parts lists and vendor contacts and will send e-mail notifications.
Posted @ Tuesday, February 15, 2011 7:45 PM by Doo Next
Great idea! Everyone needs help remembering to replace their filter(s).
Posted @ Wednesday, February 16, 2011 8:22 AM by Daniel Sinclair
Thanks for sharing this great information, we look forward to seeing more from you in the future! 
 
-Warren Heating and Air 
http://www.warrenair.net 
Posted @ Friday, February 18, 2011 8:43 AM by Warren Heating and Air
I agree, changing your filters should be done on a regular basis. It's smart and will save on costly repairs.
Posted @ Tuesday, March 01, 2011 8:36 AM by Daniel Sinclair
I only have to replace my filter every 6 months! I purchased a Perfect Air Purifier and it has a 4" thick filter in it.
Posted @ Thursday, April 28, 2011 2:23 PM by Daniel Sinclair
Comments have been closed for this article.