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Eco Toilet: number one way to save on household water use

Posted on October 1st 2013

When addressing the economy of your home, the number one way to save water is by installing high efficiency toilets. Just like the energy efficiency rating system ENERGY STAR for appliances, toilets meeting the water-efficient minimum criteria of WaterSense® are sold with the WaterSense® label.

Toilet flushing accounts for up to about 30 percent of total daily indoor household water use, in Canadian homes with older toilets that require 13 to 20L of water per flush. Up to 65 percent of the water consumed by toilet flushing can be saved by installing a high efficiency or dual flush toilet. High efficiency toilets are those that use 4.5 - 4.8L of water or less per flush. Typical dual flush toilets have either 3L or 6L per flush built-in options. By comparison, a standard modern toilet has a 13L flush.

Older toilets can use almost seven times more water than is necessary for flushing. So whether you are doing a bathroom renovation or updating your bathroom fixtures, replacing old toilets with efficient models is an eco- and wallet-friendly renovation. WaterSense® models from a range of manufacturers that have been rated under the Maximum Performance (MaP) of WaterSense High-Efficiency Toilet Fixtures (HETs) are listed in a free publication by the Canadian Water and Wastewater Association (CWWA) available at: www.cwwa.ca (updated 2009). To understand the MaP ratings, the Canada Mortgage and Housing Corporation (CMHC) has an online article explaining how to read the MaP report and is available at: http://www.cmhc-schl.gc.ca/en/co/grho/grho_006.cfm.

Two concerns raised by consumers that have been addressed since 2003, are performance and style. By 2003 manufacturers had developed the technology required to eliminate multiple flushing of previous ‘low flow’ toilets. The current availability of high efficiency toilets with powerful flushing by many manufacturers in varying styles, including elongated bowls and comfort-height bowls, provides options for any bathroom design, style and budget.

Savings on your water bills over the lifetime of a high efficiency toilet can add up to thousands of dollars, without compromising performance and style. A high efficiency toilet is an environmental and cost-saving solution for your home.


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