Transcript CLF - Canadian Home Builders' Association

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Next Generation R-2000 Standard
Presented to:
Technical Research Committee
February 23rd, 2011
Standards and Labels
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EnerGuide Rating Scale
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Net Zero
Notional future ERS levels (to be determined
through consultation) for the NRCan
framework and suite of standards and labels
– R-2000, as best practice, serves as basis right
up to Net Zero
*86 is key point where renewables start
to kick in
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R-2000 – a best-in-class performance brand, 50% better than code
for premiere builders, leading energy performance and innovation
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ENERGY STAR for New Homes – a prescriptive energy
performance brand 25% better than code
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Code
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R-2000 Standard Renewal
Committee
 Standard Council of Canada based approach with Advisory
Committee
 Committee in place since December 2009
 Best-in-class performance brand, for premiere builders, at the
forefront of energy performance and innovation
 Vision: To provide the home building industry and consumers
with a technical standard that represents the leading edge of
commercially-viable new home construction, based on available
and proven technology, products, materials and building
techniques
 Recommendations on Technical Standard
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Key Recommendations
 Increase energy target by 50%
 Increased from ERS 80 to ERS 86
 Additional interim building envelope target
 Must meet ERS 82 using standard mechanical conditions
(calculated automatically by software)
 Airtightness Requirement
 Detached: keep 1.5 ACH @ 50 Pa
 Attached: under discussion
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Key Recommendations
 Account for AC
 Energy target will account for AC when:
 the cooling load > 2.0 MJ/m3 and
 Indoor temp > 25.6oC for more than 75 hours/month for
at least 2 months in a year.
 not necessary to install an AC unit
 Account for Renewable Energy
 SDHW & geothermal currently accounted in hot water and
space heating in software
 New equation will credit electricity from on-site renewable
electricity sources (e.g., PV, wind)
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Key Recommendations
 No minimum performance requirements
 Exception: fenestration must be ENERGY STAR (due to
auditing; but no specific climate zone requirement)
 Broader Pick List
 Current: Choose 3 of 12 IAQ items; 2 of 15 environmental
items
 Proposed new list: Choose 8 of 27 items
 IAQ: 5 items
 Energy Efficiency: 7 items
 Environmental Stewardship: 7 items
 Resource Management: 4 items
 Water Conservation: 4 items
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Next Steps
 Finalize recommendations on standard
 Public review: March/April 2011
 Exploring option for a Pilot
ESNH
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
First Committee meeting took place in December
2010

Vision: to provide consumers with access to energy
efficient new homes and builders with a means to
building these homes in a timely, simple and costeffective manner using common building practices.

Committee Goal: make recommendations on
national minimum requirements and provincial
BOPs
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Initial work to be complete by December 2011
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More Information
 Development of Next Generation Energy
Efficiency Housing Standards:
http://oee.nrcan.gc.ca/residential/housinginitiatives.cfm
 To register as an observer for any of the
processes e-mail:
R-2000: [email protected]
ESNH: [email protected]
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Questions?