SSB 5174
In CommitteeSenate
Wood burning devices
Concerning wood burning devices.
This status may be delayed. See Action History below for the latest updates.
How does a bill become law?
- Introduced: The bill is filed and assigned a number.
- Committee: A subject-matter committee holds hearings, takes public testimony, and decides whether to advance the bill.
- Floor Vote: The full chamber (House or Senate) debates and votes on the bill.
- Opposite Chamber: The bill repeats the committee and floor vote process in the other chamber.
- Governor: The Governor reviews the bill and decides whether to sign or veto it.
- Signed: The bill has been signed into law.
AI Analysis
This bill updates Washington’s regulations on wood-burning devices to align with current federal emissions standards, tighten rules for when and how people can burn wood (especially during poor air quality), and expand the state’s authority to restrict use in areas with unhealthy air. It also clarifies definitions, strengthens enforcement tools, and adds protections for low-income households.
- Updates definitions to clarify what counts as a 'wood burning device' (includes woodstoves, fireplaces, masonry heaters, forced-air furnaces, hydronic heaters, and pellet stoves) and removes outdated references to coal and other fuels.
- Requires all new wood-burning devices sold in Washington to meet state emission standards adopted by the Department of Ecology, based on federal EPA standards (e.g., 40 C.F.R. Part 60, Subpart AAA and QQQQ).
- Prohibits sale or installation of uncertified wood-burning devices, with exceptions for fireplaces and devices used during emergencies or power outages.
- Strengthens burn ban rules during poor air quality: establishes clear thresholds for 'first stage' and 'second stage' burn bans based on fine particulate levels and weather forecasts.
- Allows local air pollution authorities to prohibit use of uncertified wood-burning devices in areas designated as 'nonattainment' for fine particulates, but only after public input and findings that wood burning significantly contributes to pollution.
- Bars burning of garbage, treated wood, plastics, rubber, coal, and other prohibited materials in wood-burning devices, and requires assistance and education programs for households switching to cleaner devices.
Who is affected
- Residents and property owners using wood-burning devices — Residents and owners of homes or commercial buildings who use wood-burning devices for heating or aesthetics must ensure devices meet new certification standards and follow burn ban rules during poor air quality.
- Retailers and manufacturers of wood-burning devices — Retailers and manufacturers must ensure new wood-burning devices sold in Washington meet state emission standards and certification requirements.
- Air quality regulators (local authorities and Department of Ecology) — Local air pollution control authorities and the Washington Department of Ecology gain authority to enforce emission standards, issue burn bans, and prohibit use of certain devices in nonattainment areas.
- Low-income households — Low-income households may receive assistance to upgrade to cleaner heating devices or access alternative heat sources, especially in areas with poor air quality.
- Construction and HVAC professionals — Fireplace and stove installers and contractors must follow updated building code rules about heat sources and device certifications in new or remodeled buildings.
Pro/Con Analysis
Stronger case for benefits
Potential Benefits (5)
Requires assistance and education programs for low-income households switching to cleaner devices — directly improves respiratory health outcomes, especially for children and elderly residents in polluted areas, by reducing exposure to fine particulate matter.
HealthcarePeopleRef: Sec. 7(3)(b)(iii) & Sec. 7(7)Empowers authorities to prohibit wood-burning devices in nonattainment areas only after finding wood burning is a major contributor to pollution — protects public health while requiring evidence-based, targeted action rather than blanket bans.
Public SafetyPeopleRef: Sec. 7(3)(b)(ii)Expands definition of “wood burning device” to include modern efficient models (e.g., pellet stoves, hydronic heaters) and removes outdated references to coal — ensures regulation covers the full range of current devices while promoting cleaner alternatives.
EnvironmentPeopleRef: Sec. 1(8) & Sec. 1(9)Requires all new wood-burning devices sold in Washington to meet federal EPA emission standards — significantly reduces fine particulate emissions during use, improving regional air quality and reducing long-term public health burdens.
EnvironmentPeopleRef: Sec. 3(1) & Sec. 3(2)Prohibits sale of uncertified devices, encouraging innovation in cleaner heating tech — benefits manufacturers of certified devices and HVAC professionals trained in modern installations, though may disrupt legacy product supply chains.
Business & EmploymentLean peopleRef: Sec. 3(1)(a) & Sec. 4
Potential Concerns (5)
Increases construction and renovation costs for homeowners and builders by requiring non-wood heating sources in new or substantially remodeled homes in urban growth areas and nonattainment zones — potentially limiting affordable housing options in high-demand regions.
HousingRef: Sec. 2(1)(b)Mandates alternative heating sources in new or substantially remodeled homes, which may disproportionately affect low-income and rural households who rely on wood heating and may lack access to or affordability of electric or gas alternatives.
HousingRef: Sec. 2(1)(a)Requires local authorities to confirm low-income households have access to alternative heat before enforcing device prohibitions — but the bill does not fund or mandate such programs, leaving many vulnerable households at risk of heating insecurity during enforcement.
HousingLean peopleRef: Sec. 7(3)(b)(iii)Mandates public education and device assistance programs for low-income households, but relies on “available resources” and does not guarantee funding or implementation timelines — leaving many households without timely support to comply with prohibitions.
Public SafetyPeopleRef: Sec. 7(7)Exposes retailers and manufacturers to civil penalties for selling non-compliant devices, increasing compliance costs and potentially reducing product availability — especially burdensome for small retailers and local distributors.
Business & EmploymentRef: Sec. 5
Who Is Most Affected
Low-income households in nonattainment areas may benefit from health improvements and potential device assistance, but face risk of heating insecurity if alternative heat access is not guaranteed — mixed impact with significant vulnerability if programs underfunded.
Rural residents relying on wood heat may face increased costs and reduced heating options, especially in areas without access to natural gas or reliable electric alternatives — negative impact unless assistance programs are robust.
HVAC contractors and fireplace retailers must adapt to new certification and sales rules — may increase compliance costs but also create demand for certified installations and cleaner devices — mixed impact with net positive for tech-forward firms.
Local air authorities gain enforcement tools and clarity, but face added administrative and outreach burdens — positive for regulatory capacity, though resource-constrained districts may struggle.
State Department of Ecology gains expanded authority and clearer mandate — beneficial for agency mission alignment with federal standards, but may require new staffing and monitoring resources.