Compliance Certification: Outdoor Hydronic Heater

Only MassDEP-certified units may legally be sold and installed in Massachusetts.

MassDEP Outdoor Hydronic Heater Contact

The Details of Compliance Certification: Outdoor Hydronic Heater

How to submit Compliance Certification: Outdoor Hydronic Heater

See details below.

Next steps for Compliance Certification: Outdoor Hydronic Heater

  1. What to Know

    An outdoor hydronic heater (wood-fired boiler) may be sold and installed in Massachusetts only if:

  2. Review the Instructions

    Learn about your environmental obligations and how to complete your compliance certification.

    A manufacturer may certify at any point after a model has been tested by an approved lab, reviewed by EPA’s Environmental Technology Verification (ETV) group, and is in compliance with the applicable state requirements

  3. Complete & Sign Your Certification

    You may fill out and save the Microsoft Word form on your computer. The PDF version has to be printed out and completed by hand.

  4. Prepare a Return to Compliance Plan, if Necessary

    Complete and submit this form if you are unable to comply with a particular requirement at the time you certify.

    You may fill out and save the Microsoft Word form on your computer. The PDF version has to be printed out and completed by hand.

  5. Mail the Applicable Forms to MassDEP

    Send forms to:

    MassDEP Bureau of Air & Waste
    Outdoor Hydronic Heater Program
    One Winter Street, 7th Floor
    Boston, MA 02108

    Attn: Marc Cohen

Contact for Compliance Certification: Outdoor Hydronic Heater

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