Bestopedia Rankings

Best HVAC Contractors in Fairfax, 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

Fitzpatrick's Heating Inc

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

VERIFIED

  1. Fitzpatrick's Heating Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  2. Marin Heating and Air

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    85 / 100 Trust Score

  3. Ro Heating and Air Conditioning Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    80 / 100 Trust Score

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

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