Advanced Tech Air Systems Inc
Licensed HVAC contractor in Granada Hills, Los Angeles, California
CSLB licence activeNo Google reviews yet
Advanced Tech Air Systems Inc holds CSLB licence 1082775, active, licensed since 20 Oct 2021. Bonded for $25,000 with Merchants Bonding Company (Mutual). Clean CSLB record, with no citations, complaints or legal actions disclosed.
Report card
- Licence activeCSLB #1082775, class C20. Issued 20 Oct 2021, expires 31 Oct 2027.
- Licensed 5 yrsSince 20 Oct 2021.
- Bonded$25,000 with Merchants Bonding Company (Mutual), since 3 Feb 2026. California requires the same $25,000 bond of every contractor.
- Workers' comp insuredState Compensation Insurance Fund, policy 9377191, valid to 21 Mar 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
Checked against the Contractors State License Board (CSLB) register on 3 Nov 2026.
About Advanced Tech Air Systems Inc
- People on the licence
- Richard Ruiz (qualifier, CEO and president), Richard Alexander Ruiz (officer), Beatrice Ruiz (officer)
Why it ranks #824 of 1,106 HVAC contractors in Los Angeles
Score 42.6 / 100. Claiming this listing or using Theo never changes it. How we rank
Other top HVAC contractors in Los Angeles
See all 1,106- 1
Bernardino's A/C & Htg
- Licence active
- Bonded
- Workers' comp
- 2
Liberty Plumbing & Heating
- Licence active
- Bonded
- Workers' comp
- 3
Alpha Air Conditioning & Heating Inc
- Licence active
- Bonded
- Workers' comp
- 4
American Best Appliance
- Licence active
- Bonded
- Workers' comp
- 5
Precise Air Systems Inc
- Licence active
- Bonded
- Workers' comp
- EPA Lead-Safe
- 6
Air Products and Services
- Licence active
- Bonded
- Workers' comp