grams per hour

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  1. Jacklumber

    Why do some wood stove or fireplaces below 2.0 g/h not meet EPA 2020?

    I had thought that FireplaceXtrordinair 42 Apex model advertised as being 0.7 g/h would have been compliant with the EPA 2020 particulate emissions standards. However, it states in the 42 Apex manual: "Certified to comply with 2015 particulate emissions standards. Not approved for sale after...