Warm-Air Heating, Ventilating and Air-Conditioning Contractors in Ontario, CA
51 Warm-Air Heating, Ventilating and Air-Conditioning contractors in Ontario, California appear in the CSLB public record — 49 with an active license. Check each one's status, bond, workers' compensation, and classifications before you hire.
JN Construction Inc
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
High Speed Rooter and Plumbing Inc
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Mechanical Control
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Upland Pool & Electric
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Jason Jang
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Elite Air Solutions
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Ansary Aboubakare
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Custom Homes Contractor DBA Custom Homes Construction
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Diamond Air Services Inc
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Veltel Infrastructure Services LLC
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Virtue Air Conditioning Inc
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Chun Li
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Aa HVAC Inc
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Just Temperature Inc
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Julan Hao
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Phillip Park
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
All Pro Cooling Heating Plumbing & Electrical
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
West End Heating and Air
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Adaptive Controls Services
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
A G Heating & Air
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
DS HVAC Inc
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Nick Air Conditioning Inc
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Master Chill Heating and Air
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
Elite Precision Air Systems
C-20 · Ontario, CA
Verified August 4, 2026 · Bonded
More Warm-Air Heating, Ventilating and Air-Conditioning cities in California
- San Jose (296)
- Los Angeles (284)
- Sacramento (262)
- San Diego (247)
- Riverside (202)
- Fresno (185)
- Bakersfield (184)
- Anaheim (165)
- Glendale (129)
- Corona (110)
- El Cajon (105)
- San Francisco (97)
All Warm-Air Heating, Ventilating and Air-Conditioning contractors in California →
Before you hire in Ontario
Frequently asked questions
How many Warm-Air Heating, Ventilating and Air-Conditioning contractors are licensed in Ontario, California?
This directory lists 51 Warm-Air Heating, Ventilating and Air-Conditioning contractors in Ontario, California, of which 49 currently hold an active CSLB license.
How do I check if a Warm-Air Heating, Ventilating and Air-Conditioning contractor is licensed in Ontario, California?
Open the contractor's profile here for their dated CSLB status, or look up their license number directly on the CSLB "Check a License" tool. A license must be active (not expired, suspended, or inactive) to be valid.
Should a Warm-Air Heating, Ventilating and Air-Conditioning contractor carry a bond and workers' compensation?
Most active CSLB licensees carry a contractor bond, and any contractor with employees must carry workers' compensation. Each profile shows what the CSLB record reports.