Bestopedia Rankings

Best HVAC Contractors in San Marino, 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

Our Top Pick

Maloney E L Co

Trust Score 100/100 — CLEAR license standing, bonded, workers’ comp current.

VERIFIED

  1. Maloney E L Co

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  2. Tang Shing Tim

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  3. Merry Plumbing Co Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  4. Air Maxx HVAC LLC

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    79 / 100 Trust Score

  5. Powell Construction Inc

    CLEAR license standing, bonded, workers’ comp not current.

    LISTED
    68 / 100 Trust Score

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

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