http://www.knock-knock.ca/edmonton-home-maintenance/furnace-filters-more-unsexy-house-stuff/ Tue, 31 Jan 2012 20:22:13 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.knock-knock.ca/edmonton-home-maintenance/furnace-filters-more-unsexy-house-stuff/comment-page-1/#comment-1324 Tialk ahuja Wed, 02 Feb 2011 07:43:00 +0000 http://www.knock-knock.ca/?p=1473#comment-1324 Wao great information We change our filter every 4-6 months but try to clean in between. I think it does make a difference though. I think it’s more important in the summer time. If you have central heat and air, it’s also important to keep the grass cut away from your outside unit. They typically pull air in at the bottom, so they will use more energy if there is debris in the way. http://www.airsponge.com Wao great information We change our filter every 4-6 months but try to clean in between. I think it does make a difference though. I think it’s more important in the summer time. If you have central heat and air, it’s also important to keep the grass cut away from your outside unit. They typically pull air in at the bottom, so they will use more energy if there is debris in the way. http://www.airsponge.com

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