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In your home the toilet uses the most water—accounting for approximately 30 per cent of indoor water use.
Prior to 1980 many toilets flushed with 20 litres of water. Then the 13-litre or “water saver” toilets became available in the early 1990s. They are still available in the marketplace. In 1996, the Ontario Building Code introduced legislation requiring 6-litre toilets for all new homes. Currently, no other province or territory has this legislation but some municipalities, such as Vancouver, have their own 6-litre bylaws. Six-litre toilets are often referred to as ultra-low-flush (ULF) toilets.
While many first generation 6-litre toilets did not perform well—today’s 6-litre toilets have been re-engineered to flush in many cases, better than their 13-litre counterparts. Typically, toilets found in the Canadian market place have been tested by the Canadian Standards Association or an equivalent lab. A list of high-performing toilets can be found in the CMHC partnered study “Maximum Performance Testing of Popular Water-Efficient Toilet Models (MaP)” (see back page). The full report can be found at www.cwwa.ca.
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Gravity – 99 per cent of residential toilets are gravity type. Six-litre gravity-type toilets have a re-designed bowl to enhance the siphoning action, which pulls the water out of the bowl. It eliminates the need for a higher volume of water since it doesn't rely just on gravity to create the flush.
Vacuum-assist – These toilets have a mechanism within the tank that creates a small vacuum in the trapway to aid in the normal flush action of the toilet. These types of toilets use the same kind of early closing flush and fill valves that gravity flush toilets use.
Pressure-assist – These flapperless toilets use pressure instead of gravity to create a more forceful flush. Pressureassist toilets are similar in action to the flush valve operated toilets commonly found in institutional and commercial buildings. They are not as quiet as the gravity toilet. The toilet utilizes a vessel inside the tank that traps air. As it fills with water, it uses the water supply line pressure to compress the trapped air inside. The compressed air is what forces the water into the bowl, so instead of the "pulling" or siphoning action of the gravity unit, the pressure-assist unit "pushes" waste out.
Tip Bucket – The tip-bucket technology uses a bucket located at the top of the toilet tank. This bucket fills up with water, when the lever is activated. The bucket then tips the water into the tank where it drains into the bowl. An advantage of the tip-bucket technology is that there are no flappers to leak or to be replaced. By incorporating an adjustable tank, this toilet can be used for 10-inch or 12-inch rough-in (distance from the bolts on the base of the toilet to the wall behind the toilet).
Dual flush – Dual-flush toilets permit the user to flush with a 3-litre flush for liquid waste and the regular 6-litre flush for solid waste thereby saving even more water. While this technology is relatively new to North America it has been mandated in Australia for many years.
ecoEnergy Retrofit Initiatives are here so Canadians can make the most of their home renovations. It is not only a smart idea to have expert advice before you start an energy renovation, achieving your ideal outcome depends on it!
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Expert Advice - Learn more about a toilet rebate available in your area!
Our energy advisors are the best in the business. We use the latest Federal Government computer programs and implement the house as a system technology—it’s a winning combination!
Savings
As you make improvements to your home; you are cutting energy costs while reducing greenhouse gas emissions that contribute to climate change. This saves you money and makes good sense for all Canadians. Contact us today to learn about toilet rebates, and for more information on energy savings available in your area.
Comfort
Advisors will show you where your home is losing energy, how to improve the comfort of your home and cut heating and cooling costs while ensuring adequate ventilation for a healthy indoor environment for your family.