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Why do some product brochures show multiple energy efficiency ratings for the same equipment?

April 26, 2017Energy efficiency equipment Product ratings

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Why do some product brochures show multiple energy efficiency ratings for the same equipment?

1 Answer

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The multiple energy efficiency ratings reflect the numbers derived using the different test methods. Manufacturers publish these ratings, such as the AFUE or SS, in their brochures and distribute their gas fireplace products and brochures across North America. The only ratings recognized in Canada are those generated by CSA P.4.1-02.