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

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Heating and air conditioning in New Haven, CT

11 heating and air conditioning in New Haven, CT; 633 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Ace Plumbing and Contracting Services LLC

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)+1

    New Haven, CT

    Ask it
    Proof for Ace Plumbing and Contracting Services LLC
    License
    DCP PLM.0284642-P1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Plumbing & Piping Unlimited Contractor (P1); Heating, Piping & Cooling Unlimited Contractor (S1)
    Expires
    Oct 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0284642-P1 → Connecticut Consumer Protection search

  2. Amg Plumbing Mechanical LLC

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)+1

    New Haven, CT

    Ask it
    Proof for Amg Plumbing Mechanical LLC
    License
    DCP PLM.0287892-P1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Plumbing & Piping Unlimited Contractor (P1); Heating, Piping & Cooling Unlimited Contractor (S1)
    Expires
    Oct 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0287892-P1 → Connecticut Consumer Protection search

  3. Beckwinter Heating

    ActiveHeating, Piping & Cooling Limited Contractor (D1)+1

    New Haven, CT

    Ask it
    Proof for Beckwinter Heating
    License
    DCP HTG.0397173-D1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Limited Contractor (D1); Heating, Piping & Cooling Limited Contractor (S9)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0397173-D1 → Connecticut Consumer Protection search

  4. Connecticut School of Electronics Hvacr Dept

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)+1

    New Haven, CT

    Ask it
    Proof for Connecticut School of Electronics Hvacr Dept
    License
    DCP HTG.0302843-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1); Sheet Metal Limited Contractor (SM1)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0302843-S1 → Connecticut Consumer Protection search

  5. James Carboni Plumbing & Heating IN, Roach Plumbing/Heating & Well Systems, Water System Specialties

    ActiveHome Improvement Contractor

    New Haven, CT

    Ask it
    Proof for James Carboni Plumbing & Heating IN, Roach Plumbing/Heating & Well Systems, Water System Specialties
    License
    DCP HIC.0672285
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Home Improvement Contractor
    Expires
    Mar 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HIC.0672285 → Connecticut Consumer Protection search

  6. Mechanical Construction Inc

    ActiveHome Improvement Contractor

    New Haven, CT

    Ask it
    Proof for Mechanical Construction Inc
    License
    DCP HIC.0669521
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Home Improvement Contractor
    Expires
    Mar 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HIC.0669521 → Connecticut Consumer Protection search

  7. Mechanical Heating and Air Conditioning LLC

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)

    New Haven, CT

    Ask it
    Proof for Mechanical Heating and Air Conditioning LLC
    License
    DCP HTG.0407844-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0407844-S1 → Connecticut Consumer Protection search

  8. New England Hood Systems, LLC

    ActiveSheet Metal Limited Contractor (SM1)

    New Haven, CT

    Ask it
    Proof for New England Hood Systems, LLC
    License
    DCP SHM.0005876-SM1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Sheet Metal Limited Contractor (SM1)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up SHM.0005876-SM1 → Connecticut Consumer Protection search

  9. R a Ronshagen Mechanical

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)

    New Haven, CT

    Ask it
    Proof for R a Ronshagen Mechanical
    License
    DCP HTG.0303292-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0303292-S1 → Connecticut Consumer Protection search

  10. Sim Gibbs Inc

    ActiveHeating, Piping & Cooling Limited Contractor (S3)

    New Haven, CT

    Ask it
    Proof for Sim Gibbs Inc
    License
    DCP HTG.0391476-S3
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Limited Contractor (S3)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0391476-S3 → Connecticut Consumer Protection search

  11. Ace Plumbing and Contracting Services LLC

    Not in the latest issuer fileHeating, Piping & Cooling Unlimited Contractor (S1)

    New Haven, CT

    Ask it
    Proof for Ace Plumbing and Contracting Services LLC
    License
    DCP HTG.0399623-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Not in the latest issuer file
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1)
    Expires
    Aug 31, 2027
    Checked
    Nov 3, 2026
    Where
    New Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0399623-S1 → Connecticut Consumer Protection search

  12. Mechanical Plumbing & Heating Inc

    ActivePrivate motor carrier

    Hamden, CT · 5 mi away

    CallAsk it
    Proof for Mechanical Plumbing & Heating Inc
    USDOT registration
    FMCSA 4577852
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Hamden, CT · serves Connecticut
    Phone
    (203) 281-5522
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  13. Muolo Plumbing & Heating LLC

    ActivePrivate motor carrier

    East Haven, CT · 3 mi away

    CallAsk it
    Proof for Muolo Plumbing & Heating LLC
    USDOT registration
    FMCSA 2032541
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    East Haven, CT · serves Connecticut
    Phone
    (203) 466-1819
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  14. A.G Mechanical LLC

    ActiveHome Improvement Contractor

    Hamden, CT · 5 mi away

    Ask it
    Proof for A.G Mechanical LLC
    License
    DCP HIC.0706418
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Home Improvement Contractor
    Expires
    Mar 31, 2027
    Checked
    Nov 6, 2026
    Where
    Hamden, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HIC.0706418 → Connecticut Consumer Protection search

  15. Air Inc

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)+1

    East Haven, CT · 3 mi away

    Ask it
    Proof for Air Inc
    License
    DCP HTG.0391442-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1); Sheet Metal Limited Contractor (SM1)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    East Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0391442-S1 → Connecticut Consumer Protection search

  16. Air Perfect Inc

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)

    West Haven, CT · 3 mi away

    Ask it
    Proof for Air Perfect Inc
    License
    DCP HTG.0403009-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    West Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0403009-S1 → Connecticut Consumer Protection search

  17. Air Specialties Air Conditioning & Heating Inc

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)+1

    West Haven, CT · 3 mi away

    Ask it
    Proof for Air Specialties Air Conditioning & Heating Inc
    License
    DCP HTG.0388762-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1); Sheet Metal Limited Contractor (SM1)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    West Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0388762-S1 → Connecticut Consumer Protection search

  18. Allied Mechanical Services Inc

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)+1

    Hamden, CT · 5 mi away

    Ask it
    Proof for Allied Mechanical Services Inc
    License
    DCP HTG.0303444-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1); Sheet Metal Limited Contractor (SM1)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    Hamden, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0303444-S1 → Connecticut Consumer Protection search

  19. Connecticut Controls Corp

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)

    East Haven, CT · 3 mi away

    Ask it
    Proof for Connecticut Controls Corp
    License
    DCP HTG.0404275-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1)
    Expires
    Aug 31, 2027
    Checked
    Nov 6, 2026
    Where
    East Haven, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0404275-S1 → Connecticut Consumer Protection search

  20. Ernest E Ehle & Son LLC

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)+1

    Hamden, CT · 3 mi away

    Ask it
    Proof for Ernest E Ehle & Son LLC
    License
    DCP PLM.0286421-P1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Plumbing & Piping Unlimited Contractor (P1); Heating, Piping & Cooling Unlimited Contractor (S1)
    Expires
    Oct 31, 2027
    Checked
    Nov 6, 2026
    Where
    Hamden, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0286421-P1 → Connecticut Consumer Protection search

More cities in Connecticut

Stamford 34Bristol 27Milford 25Danbury 20Shelton 20Enfield 19Southington 19Norwalk 18Torrington 17Ellington 16Plainville 16Wallingford 16New Milford 15Stratford 15Branford 14Glastonbury 14

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