DouxProcess Directory

Ask for any business in the US.

NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

you asked:

Heating and air conditioning in El Cajon, CA

126 heating and air conditioning in El Cajon, CA; 884 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Mav Mechanical Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Lakeside, CA · WC ✓ · 8 mi away

    Proof for Mav Mechanical Inc
    License
    CSLB 1083329
    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
    Lakeside, CA · serves California
    Phone
    (619) 259-7308
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. Mechanical Refrigeration Services Inc

    ActiveC38 Refrigeration

    Lakeside, CA · WC ✓ · 8 mi away

    Proof for Mechanical Refrigeration Services Inc
    License
    CSLB 834692
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C38 Refrigeration
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Lakeside, CA · serves California
    Phone
    (619) 820-7139
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Mickster Mechanical Heating & A/C

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Lakeside, CA · WC ✓ · 8 mi away

    Proof for Mickster Mechanical Heating & A/C
    License
    CSLB 880072
    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
    Lakeside, CA · serves California
    Phone
    (619) 443-6425
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. North West Alarms Inc

    ActiveC10 Electrical+1

    San Diego, CA · WC ✓ · 9 mi away

    Proof for North West Alarms Inc
    License
    CSLB 1071626
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    Dec 31, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (858) 356-7231
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. North Wind Heating & Cooling Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓ · 7 mi away

    Proof for North Wind Heating & Cooling Inc
    License
    CSLB 1147131
    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
    San Diego, CA · serves California
    Phone
    (619) 884-6218
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Novix Mechanical Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓ · 10 mi away

    Proof for Novix Mechanical Inc
    License
    CSLB 1019006
    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
    San Diego, CA · serves California
    Phone
    (619) 990-1700
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. O'connor Roofing Construction Inc

    ActiveB General Building+2

    Spring Valley, CA · WC ✓ · 6 mi away

    Proof for O'connor Roofing Construction Inc
    License
    CSLB 520956
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C39 Roofing
    Expires
    Sep 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Spring Valley, CA · serves California
    Phone
    (619) 698-3456
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. O M G Services

    ActiveC38 Refrigeration

    Chula Vista, CA · WC exempt · 9 mi away

    Proof for O M G Services
    License
    CSLB 939006
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C38 Refrigeration
    Expires
    Oct 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Chula Vista, CA · serves California
    Phone
    (619) 813-6273
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Ohana Plumbing Plus Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning+1

    Lemon Grove, CA · WC ✓ · 6 mi away

    Proof for Ohana Plumbing Plus Inc
    License
    CSLB 1129895
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
    Expires
    Dec 31, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Lemon Grove, CA · serves California
    Phone
    (619) 987-9210
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Optimum Aire

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓ · 10 mi away

    Proof for Optimum Aire
    License
    CSLB 936940
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 955-9148
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. P a C Heating & Air Conditioning

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Lakeside, CA · WC ✓ via leasing firm · 8 mi away

    Proof for P a C Heating & Air Conditioning
    License
    CSLB 750189
    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
    Covered through an employee leasing firm
    Where
    Lakeside, CA · serves California
    Phone
    (619) 561-9163
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Pacific Comfort Systems

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Lakeside, CA · WC ✓ · 8 mi away

    Proof for Pacific Comfort Systems
    License
    CSLB 1133712
    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
    Lakeside, CA · serves California
    Phone
    (619) 520-3665
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Paez Air Conditioning Company

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Bonita, CA · WC ✓ · 9 mi away

    Proof for Paez Air Conditioning Company
    License
    CSLB 823694
    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
    Bonita, CA · serves California
    Phone
    (619) 921-8568
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Pellegrino Heating and Air Conditioning

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Lakeside, CA · WC ✓ · 8 mi away

    Proof for Pellegrino Heating and Air Conditioning
    License
    CSLB 822613
    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
    Lakeside, CA · serves California
    Phone
    (619) 390-4143
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Phenomenal AC and Heating

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓ · 9 mi away

    Proof for Phenomenal AC and Heating
    License
    CSLB 1103506
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 840-0140
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Pipe Trades

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning+1

    San Diego, CA · WC ✓ · 7 mi away

    Proof for Pipe Trades
    License
    CSLB 998580
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
    Expires
    Nov 30, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 452-2334
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Pipe Trades

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning+1

    San Diego, CA · WC ✓ · 7 mi away

    Proof for Pipe Trades
    License
    CSLB 962168
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
    Expires
    Oct 31, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 452-2334
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Precision Heating and Air Conditioning Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Spring Valley, CA · WC ✓ · 6 mi away

    Proof for Precision Heating and Air Conditioning Inc
    License
    CSLB 644376
    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
    Spring Valley, CA · serves California
    Phone
    (619) 463-0350
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. Precision Temperature Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Lakeside, CA · WC ✓ · 8 mi away

    Proof for Precision Temperature Inc
    License
    CSLB 901308
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Lakeside, CA · serves California
    Phone
    (619) 588-5321
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Proper Appliance Repair Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓ · 8 mi away

    Proof for Proper Appliance Repair Inc
    License
    CSLB 1092397
    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
    San Diego, CA · serves California
    Phone
    (619) 888-8280
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

More cities in California

Free for people · nobody pays to rank. Run one of these businesses? Claim it free.

Checked facts from public license files · How ranking works