Air Conditioning & Heating Mechanical Masters

Report card

• Licence activeCSLB #344739, class C20. Issued 14 Oct 1977, expires 29 Feb 2028.
• Licensed 49 yrsSince 14 Oct 1977.
• Bonded$25,000 with North River Insurance Company (The), since 1 Jan 2023. California requires the same $25,000 bond of every contractor.
• Workers' comp insuredBenchmark Insurance Company, policy 99WCGC00009827400, valid to 11 Sep 2027.
• Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
• On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
• 37 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 2 May 2023.

Checked against the Contractors State License Board (CSLB) register on 3 Nov 2026.

About Air Conditioning & Heating Mechanical Masters

The company provides HVAC installation, repair, and maintenance services in Los Angeles and nearby areas.

Founded

2004

Serves

Los Angeles, San Fernando Valley, Santa Monica, Malibu, Pacific Palisades, Thousand Oaks, West Hollywood, Simi Valley

Estimates

Free estimates

People on the licence

Eric Robert Downs (sole owner)

From Air Conditioning & Heating Mechanical Masters's own website, read 3 Nov 2026. We only show what the site states.

Recent permits

Building permits pulled under licence #344739, from City of Los Angeles, LADBS open data. Locations are shown to ZIP code only.

• 2 May 2023 · HVAC · ZIP 90019Apartment
• 30 Mar 2023 · HVAC · ZIP 90016REVISION TO APPROVED PLANS - ADD DRYER EXHAUST FOR VENTED DRYERS.
• 7 Mar 2023 · HVAC · ZIP 90006GENERAL HVAC WITH GARAGE EXHAUST
• 6 Mar 2023 · HVAC · ZIP 90019REVISION TO APPROVED PLANS - REROUTED AND ADDED DUCTWORK, RELOCATED HE
• 6 Mar 2023 · HVAC · ZIP 91405Revision to approved plans under 20044-10000-05627. Relocated the gara

Why it ranks #151 of 1,106 HVAC contractors in Los Angeles

Score 77.7 / 100. Claiming this listing or using Theo never changes it. How we rank