2011 Aug. 12: EPA Revised Method 28 for OWBs cited for one OWB manufacturer (Heatsource) stopping manufacture of OWBs: (website link) (Method 28 OWHH for testing OWBs has changed name to Method 28 WHH to include indoor as well as outdoor heaters)

2011 Aug. 12: EPA Revised Method 28 for OWBs cited for one OWB manufacturer (Heatsource) stopping manufacture of OWBs: (website link) (Method 28 OWHH for testing OWBs has changed name to Method 28 WHH to include indoor as well as outdoor heaters)

In case you haven’t already heard about this, EPA just announced that it has revised Method 28 for testing OWBs and changed the name from Method 28 Outdoor Wood-fired Hydronic Heaters (OWHH) to Method 28 WHH to include indoor heaters as well as outdoor heaters.

See: EPA’s Residential Wood Smoke Info Exchange blog at http://blog.epa.gov/woodsmoke/2011/08/hydronicheaters/updated-revisions-to-method-28/ for the announcement.

Details of the revised Method 28 WHH are available on EPA’s Web site at: www.epa.gov/burnwise/pdfs/owhhphase2agreement.pdf starting on page 17.

One OWB manufacturer (HeatSource) has decided to stop manufacturing OWBs, citing/blaming EPA’s revised test methods: http://journalstar.com/business/local/article_4830a42c-e48f-53ba-be4f-f8c5761a8c74.html