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Sales/certification & installation
Sales/certification requirements: All wood heating appliances sold in Washington must be certified to meet Washington State emission limits:
- 4.5 grams of particles per hour for non-catalytic models
- 2.5 grams per hour for catalytic models.
Installation: It is illegal to install a wood heating appliance or factory-built fireplace that is not certified to meet Washington State air emission standards.
Your stove is certified if it has a plate with a U.S. Environmental Protection Agency label. Look for the EPA plate on the back or side of the stove or visit a hearth specialty retailer for more information. View detail.
Uncertified stoves produce five times or more pollution than certified models. An uncertified stove uses about a third more wood and will deposit more creosote in your chimney.
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ADDITIONAL RESOURCES:Wood Heating Appliance Rules
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