test NRC link https://www.nrcan.gc.ca/sites/www.nrcan.gc.ca/files/energy/pdf/energystar/IWEE_EN.pdf CMHC link http://www.cmhc-schl.gc.ca/en/inpr/bude/himu/waensati/waensati_004.cfm [ccf_form id=”3388″]