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June 1, 2019

Built Green Canada, in partnership with the Green Builder® Coalition, trains verifiers on performance-based water rating

On May 22, five verifiers began their training on the first performance-based water rating in Canada. This follows last November’s announcement that Built Green had partnered with the Green Builder® Coalition to bring the Water Efficiency Rating Score (WERS)® here through its third-party certification programs’ water conservation section.

WERS is based on measurable parameters, along with a scoring scale of zero to 100, zero being the most desirable. Indoor water use considers the main plumbing fixtures of toilets, showers, lavatory and kitchen sinks, clothes washers and structural waste. Those who run the shower for a while before getting hot water are familiar with structural waste: it refers to the amount of water wasted before usable hot water arrives at the furthest hot-water using fixture.

Meanwhile, WERS includes the ability to account for all outdoor water use, as well as reuse via rainwater, greywater and blackwater catchment calculations. Depending on the verified filtration methods for rainwater and greywater, they can be used to offset indoor water use. Additionally, any remaining unused rainwater, greywater and/or blackwater (if applicable) can be credited to potential outdoor use.

Training continued through the 24th with an exam and a follow-up webinar is scheduled for June. Built Green Canada is encouraging trials through 2019 for its single family, renovation, and high density programs. Builders will earn points toward their BUILT GREEN® home certification, while being able to understand the overall performance of their projects’ water use and make smart choices on the products they incorporate into their builds—and pass-along the associated benefits to their customers.

Thank you to Jayman BUILT and City Homes for providing showhomes for the onsite training.

For more information:

Built Green Canada is an industry-driven, national, non-profit organization offering third-party certified programs in the residential building sector. Since its inception, builders have worked with Built Green to complete over 32,750 certified homes represented in Alberta, British Columbia, Saskatchewan, and Ontario—including the units in multi-storey projects, the total is over 36,090.

The Green Builder® Coalition is the WERS Program sponsor. The Coalition is a not-for-profit association dedicated to amplifying the voice of green builders and professionals to drive advocacy, information and education for more sustainable home building practices. It is an action-oriented community of green builders and professionals dedicated to uniting and growing their joint expertise, values and voice to create stronger standards for sustainable, more environmentally responsible home building.


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