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New Hampshire Department of Environmental Services

Wood Smoke and Wood Stoves/Outdoor Wood Boilers

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Smoke from wood stoves and outdoor wood-fired hydronic heaters contains air pollutants such as fine particulates, nitrogen oxides, sulfur oxides, carbon monoxide, volatile organic compounds, dioxins and furans. The fine particulates of wood smoke ten microns or less in diameter (a human hair is approximately 70 microns in diameter), can be inhaled deep into the lungs, collect in tiny air sacs where oxygen enters the blood (called alveoli), and cause breathing difficulties and sometimes permanent lung damage. more…

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green arrow Rules/Regulatory

  • RSA 125-R Outdoor Wood-Fired Hydronic Heaters (Outdoor Wood Boilers)

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green arrow Contact Us

  • Tom Guertin
    Senior Compliance Assessment Specialist
    NHDES Air Resources Division
    29 Hazen Drive; PO Box 95
    Concord, NH 03302-0095
    (603) 271-1370
    (603) 271-1381 (fax)
  • Jeffrey T. Underhill, Chief
    Atmospheric Science & Analysis
    NHDES Air Resources Division
    29 Hazen Drive, PO Box 95
    Concord, NH 03302-0095
    (603) 271-1102
    (603) 271-1381 (fax)



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NH Department of Environmental Services | 29 Hazen Drive | PO Box 95 | Concord, NH 03302-0095
(603) 271-3503 | TDD Access: Relay NH 1-800-735-2964 | Hours: M-F, 8am-4pm

copyright 2014. State of New Hampshire