Bestopedia Rankings

Best HVAC Contractors in Eureka, California

Ranked by the Bestopedia Trust Score, drawn from verified CSLB license, bond, and workers’-comp records. Rankings are earned — never for sale.

Last updated July 5, 2026

  1. Mac's Refrigeration Service

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  2. Evans Mechanical Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  3. Maples Wayne Plumbing & Heating Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  4. Mapleservice Incorporated

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  5. Bell's Heating

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  6. Bob's Heating and Air Solutions Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    90 / 100 Trust Score

  7. Six Rivers Mechanical Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    90 / 100 Trust Score

  8. Redwood Mechanical

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    89 / 100 Trust Score

noun /best-oh-PEE-dee-uh/

a curated ranking of the best in any category, based on independent review.