you asked:
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.
F M Thomas Air Conditioning Inc
Brea, CA · 5 mi away
Proof for F M Thomas Air Conditioning Inc
- USDOT registration
- US-DOT 4469897
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- Brea, CA · serves California
- Phone
- (714) 738-1062
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fangfang Duan HVAC Services
West Covina, CA · WC ✓ · 5 mi away
Proof for Fangfang Duan HVAC Services
- License
- CSLB 1158233
- 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
- West Covina, CA · serves California
- Phone
- (626) 235-4727
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fenco a Heating and Air Conditioning
Placentia, CA · WC ✓ · 9 mi away
Proof for Fenco a Heating and Air Conditioning
- License
- CSLB 981094
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Placentia, CA · serves California
- Phone
- (714) 920-8784
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ferny HVAC
Pomona, CA · WC ✓ · 5 mi away
Proof for Ferny HVAC
- License
- CSLB 1130787
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (909) 525-3904
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fire Co Sprinkler
Brea, CA · WC ✓ · 6 mi away
Proof for Fire Co Sprinkler
- License
- CSLB 1080808
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection; C34 Pipeline; D62 Air and Water Balancing
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (562) 286-3145
- Listing
- Built from public records. Not claimed yet, so call them directly.
First Class Comfort HVAC LLC
Fullerton, CA · WC ✓ · 10 mi away
Proof for First Class Comfort HVAC LLC
- License
- CSLB 1141174
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fullerton, CA · serves California
- Phone
- (619) 602-4314
- Listing
- Built from public records. Not claimed yet, so call them directly.
First Response Air Conditioning & Heating Inc
Yorba Linda, CA · WC ✓ · 9 mi away
Proof for First Response Air Conditioning & Heating Inc
- License
- CSLB 1038351
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; D12 Synthetic Products
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Yorba Linda, CA · serves California
- Phone
- (714) 676-2024
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fisher Air Heating & Air Conditioning Services
Brea, CA · WC ✓ · 5 mi away
Proof for Fisher Air Heating & Air Conditioning Services
- License
- CSLB 519630
- 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
- Brea, CA · serves California
- Phone
- (714) 529-9600
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fix My a C Incorporated
Chino Hills, CA · WC ✓ · 7 mi away
Proof for Fix My a C Incorporated
- License
- CSLB 855348
- 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
- (949) 939-2949
- Listing
- Built from public records. Not claimed yet, so call them directly.
Flores Fausto Jr Heating/Air Conditioning
Placentia, CA · WC ✓ · 9 mi away
Proof for Flores Fausto Jr Heating/Air Conditioning
- License
- CSLB 926020
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Placentia, CA · serves California
- Phone
- (714) 357-4546
- Listing
- Built from public records. Not claimed yet, so call them directly.
Franklin Heating and Air Conditioning
San Dimas, CA · WC ✓ · 7 mi away
Proof for Franklin Heating and Air Conditioning
- License
- CSLB 1046848
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Nov 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (951) 255-8201
- Listing
- Built from public records. Not claimed yet, so call them directly.
Full Blast Heating and Air Conditioning
West Covina, CA · WC ✓ · 5 mi away
Proof for Full Blast Heating and Air Conditioning
- License
- CSLB 973689
- 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
- West Covina, CA · serves California
- Phone
- (626) 222-2449
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fwcompany Inc
Yorba Linda, CA · WC exempt · 7 mi away
Proof for Fwcompany Inc
- License
- CSLB 506937
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C38 Refrigeration
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Yorba Linda, CA · serves California
- Phone
- (714) 743-4506
- Listing
- Built from public records. Not claimed yet, so call them directly.
G & H Repair & Services Co
Chino Hills, CA · WC ✓ · 7 mi away
Proof for G & H Repair & Services Co
- License
- CSLB 764841
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino Hills, CA · serves California
- Phone
- (909) 717-9693
- Listing
- Built from public records. Not claimed yet, so call them directly.
G P Heating & Cooling
Yorba Linda, CA · WC ✓ · 9 mi away
Proof for G P Heating & Cooling
- License
- CSLB 648720
- 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
- Yorba Linda, CA · serves California
- Phone
- (714) 726-5402
- Listing
- Built from public records. Not claimed yet, so call them directly.
G W Heating & Air Conditioning
West Covina, CA · WC ✓ · 8 mi away
Proof for G W Heating & Air Conditioning
- License
- CSLB 1103035
- 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
- West Covina, CA · serves California
- Phone
- (626) 592-1162
- Listing
- Built from public records. Not claimed yet, so call them directly.
Garcia Manuel Serna
Chino, CA · WC ✓ · 8 mi away
Proof for Garcia Manuel Serna
- License
- CSLB 771071
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (626) 485-1609
- Listing
- Built from public records. Not claimed yet, so call them directly.
Garibay Adrian
Covina, CA · WC ✓ · 8 mi away
Proof for Garibay Adrian
- License
- CSLB 1036737
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Covina, CA · serves California
- Phone
- (626) 831-2133
- Listing
- Built from public records. Not claimed yet, so call them directly.
Get It Repaired Heating and Air Inc
Ontario, CA · WC ✓ · 9 mi away
Proof for Get It Repaired Heating and Air Inc
- License
- CSLB 1155418
- 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
- Ontario, CA · serves California
- Phone
- (909) 640-8163
- Listing
- Built from public records. Not claimed yet, so call them directly.
Globaltech Inc
Chino Hills, CA · WC ✓ · 7 mi away
Proof for Globaltech Inc
- License
- CSLB 1069742
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Oct 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino Hills, CA · serves California
- Phone
- (949) 828-5656
- Listing
- Built from public records. Not claimed yet, so call them directly.
More cities in California
Free for people · nobody pays to rank. Run one of these businesses? Claim it free.