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Heating and air conditioning in Diamond Bar, CA
33 heating and air conditioning in Diamond Bar, CA. Every listing checked against the issuer's record, in the published order.
Comfort Solutions Heating and Cooling
Fullerton, CA · WC ✓ · 10 mi away
Proof for Comfort Solutions Heating and Cooling
- License
- CSLB 1113536
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fullerton, CA · serves California
- Phone
- (714) 829-5605
- Listing
- Built from public records. Not claimed yet, so call them directly.
Comfort Zone Inc
Glendora, CA · WC ✓ · 8 mi away
Proof for Comfort Zone Inc
- License
- CSLB 760955
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Glendora, CA · serves California
- Phone
- (626) 963-8383
- Listing
- Built from public records. Not claimed yet, so call them directly.
Complete Heating and Air Conditioning
Brea, CA · WC ✓ · 5 mi away
Proof for Complete Heating and Air Conditioning
- License
- CSLB 680516
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (714) 256-0726
- Listing
- Built from public records. Not claimed yet, so call them directly.
Contemporary Heating & Air Conditioning Inc
Placentia, CA · 9 mi away
Proof for Contemporary Heating & Air Conditioning Inc
- USDOT registration
- US-DOT 2694468
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- Placentia, CA · serves California
- Phone
- (714) 572-8914
- Listing
- Built from public records. Not claimed yet, so call them directly.
Contemporary Heating & Air Conditioning Inc
Placentia, CA · WC ✓ · 9 mi away
Proof for Contemporary Heating & Air Conditioning Inc
- License
- CSLB 582686
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Placentia, CA · serves California
- Phone
- (714) 572-8914
- Listing
- Built from public records. Not claimed yet, so call them directly.
Controlworks Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Controlworks Inc
- License
- CSLB 814065
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 627-7155
- Listing
- Built from public records. Not claimed yet, so call them directly.
Convenient Air Inc
LA Habra, CA · WC ✓ · 9 mi away
Proof for Convenient Air Inc
- License
- CSLB 936103
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Habra, CA · serves California
- Phone
- (562) 665-5193
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cool Temp Engineering Co
Rowland Heights, CA · WC ✓ · 5 mi away
Proof for Cool Temp Engineering Co
- License
- CSLB 455406
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rowland Heights, CA · serves California
- Phone
- (714) 308-8989
- Listing
- Built from public records. Not claimed yet, so call them directly.
Coolaris HVAC Inc
Brea, CA · WC ✓ · 5 mi away
Proof for Coolaris HVAC Inc
- License
- CSLB 1153046
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (626) 771-7185
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cooling & Heating Repair Inc
Fullerton, CA · WC ✓ · 9 mi away
Proof for Cooling & Heating Repair Inc
- License
- CSLB 1093030
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fullerton, CA · serves California
- Phone
- (657) 272-5105
- Listing
- Built from public records. Not claimed yet, so call them directly.
Coolsys Commercial & Industrial Solutions Inc
Brea, CA · WC ✓ · 5 mi away
Proof for Coolsys Commercial & Industrial Solutions Inc
- License
- CSLB 1130782
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (904) 210-0842
- Listing
- Built from public records. Not claimed yet, so call them directly.
Corbin Air Conditioning Co
Chino Hills, CA · WC ✓ · 7 mi away
Proof for Corbin Air Conditioning Co
- License
- CSLB 753151
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino Hills, CA · serves California
- Phone
- (909) 628-9440
- Listing
- Built from public records. Not claimed yet, so call them directly.
Covenant Air Solutions
Covina, CA · WC ✓ · 8 mi away
Proof for Covenant Air Solutions
- License
- CSLB 1112015
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Covina, CA · serves California
- Phone
- (626) 673-8030
- Listing
- Built from public records. Not claimed yet, so call them directly.
Covenant Air Systems Inc
Brea, CA · WC ✓ · 5 mi away
Proof for Covenant Air Systems Inc
- License
- CSLB 657733
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (714) 990-1799
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cozy Air
West Covina, CA · WC ✓ · 8 mi away
Proof for Cozy Air
- License
- CSLB 829703
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- West Covina, CA · serves California
- Phone
- (626) 260-2099
- Listing
- Built from public records. Not claimed yet, so call them directly.
Crest Sheet Metal Co
LA Habra, CA · WC ✓ · 9 mi away
Proof for Crest Sheet Metal Co
- License
- CSLB 715855
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C43 Sheet Metal
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Habra, CA · serves California
- Phone
- (562) 691-3300
- Listing
- Built from public records. Not claimed yet, so call them directly.
Custom Airworks
LA Puente, CA · WC ✓ · 7 mi away
Proof for Custom Airworks
- License
- CSLB 1073523
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Puente, CA · serves California
- Phone
- (626) 705-8786
- Listing
- Built from public records. Not claimed yet, so call them directly.
D H Air and Heating
Chino Hills, CA · WC ✓ · 7 mi away
Proof for D H Air and Heating
- License
- CSLB 734206
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino Hills, CA · serves California
- Phone
- (909) 902-0841
- Listing
- Built from public records. Not claimed yet, so call them directly.
D J S Heating & Air Conditioning Inc
Covina, CA · WC ✓ · 6 mi away
Proof for D J S Heating & Air Conditioning Inc
- License
- CSLB 687667
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Covina, CA · serves California
- Phone
- (626) 794-4747
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dae Sup Han
LA Habra, CA · WC ✓ · 9 mi away
Proof for Dae Sup Han
- License
- CSLB 1158358
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Habra, CA · serves California
- Phone
- (917) 862-1521
- Listing
- Built from public records. Not claimed yet, so call them directly.
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