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

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Heating and air conditioning in Farmington, CT

13 heating and air conditioning in Farmington, CT; 669 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. American Oil & Heating LLC

    ActivePrivate motor carrier

    Farmington, CT

    CallAsk it
    Proof for American Oil & Heating LLC
    USDOT registration
    FMCSA 1817949
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Farmington, CT · serves Connecticut
    Phone
    (860) 678-9992
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  2. Modern Mechanical Systems Incorporated

    ActivePrivate motor carrier

    Farmington, CT

    CallAsk it
    Proof for Modern Mechanical Systems Incorporated
    USDOT registration
    FMCSA 3115129
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Farmington, CT · serves Connecticut
    Phone
    (860) 677-2222
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  3. Advanced Mechanical Services LLC

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

    Farmington, CT

    Ask it
    Proof for Advanced Mechanical Services LLC
    License
    DCP HTG.0391814-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 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0391814-S1 → Connecticut Consumer Protection search

  4. All State Construction Inc

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)+2

    Farmington, CT

    Ask it
    Proof for All State Construction Inc
    License
    DCP PLM.0280910-P1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Plumbing & Piping Unlimited Contractor (P1); Heating, Piping & Cooling Unlimited Contractor (S1); Heating, Piping & Cooling Limited Contractor (BM1)
    Expires
    Oct 31, 2027
    Checked
    Nov 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0280910-P1 → Connecticut Consumer Protection search

  5. Depco Mechanical LLC

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)+3

    Farmington, CT

    Ask it
    Proof for Depco Mechanical LLC
    License
    DCP PLM.0278487-P1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Plumbing & Piping Unlimited Contractor (P1); Heating, Piping & Cooling Unlimited Contractor (S1); Sheet Metal Limited Contractor (SM1); Medical Gas & Vacuum Systems Contractor (MG1)
    Expires
    Oct 31, 2027
    Checked
    Nov 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0278487-P1 → Connecticut Consumer Protection search

  6. Douglas Plumbing Heating & Air Conditioning LLC

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

    Farmington, CT

    Ask it
    Proof for Douglas Plumbing Heating & Air Conditioning LLC
    License
    DCP PLM.0204016-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 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0204016-P1 → Connecticut Consumer Protection search

  7. Edify LLC

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

    Farmington, CT

    Ask it
    Proof for Edify LLC
    License
    DCP HIC.0672292
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Home Improvement Contractor; Heating, Piping & Cooling Limited Contractor (D1)
    Expires
    Mar 31, 2027
    Checked
    Nov 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HIC.0672292 → Connecticut Consumer Protection search

  8. H & H Refrigeration Inc

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

    Farmington, CT

    Ask it
    Proof for H & H Refrigeration Inc
    License
    DCP HTG.0303641-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 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0303641-S1 → Connecticut Consumer Protection search

  9. Link Mechanical Services Inc.

    ActiveHeating, Piping & Cooling Limited Contractor (S7)+1

    Farmington, CT

    Ask it
    Proof for Link Mechanical Services Inc.
    License
    DCP PLM.0204262-P1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Plumbing & Piping Unlimited Contractor (P1); Heating, Piping & Cooling Limited Contractor (S7)
    Expires
    Oct 31, 2027
    Checked
    Nov 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0204262-P1 → Connecticut Consumer Protection search

  10. Little John's Home Improvement

    ActiveHeating, Piping & Cooling Unlimited Contractor (S1)

    Farmington, CT

    Ask it
    Proof for Little John's Home Improvement
    License
    DCP HTG.0397295-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0397295-S1 → Connecticut Consumer Protection search

  11. Preferred Services Inc

    ActiveHeating, Piping & Cooling Limited Contractor (D1)

    Farmington, CT

    Ask it
    Proof for Preferred Services Inc
    License
    DCP HTG.0392797-D1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Limited Contractor (D1)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0392797-D1 → Connecticut Consumer Protection search

  12. Quality Contracting

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

    Farmington, CT

    Ask it
    Proof for Quality Contracting
    License
    DCP HTG.0385530-D1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Limited Contractor (D1); Sheet Metal Limited Contractor (SM1)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0385530-D1 → Connecticut Consumer Protection search

  13. All State Construction Inc

    Not in the latest issuer fileHeating, Piping & Cooling Unlimited Contractor (S1)+1

    Farmington, CT

    Ask it
    Proof for All State Construction Inc
    License
    DCP HTG.0385985-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Not in the latest issuer file
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1); Heating, Piping & Cooling Limited Contractor (BM1)
    Expires
    Aug 31, 2027
    Checked
    Oct 29, 2026
    Where
    Farmington, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0385985-S1 → Connecticut Consumer Protection search

  14. Avon Plumbing & Heating CO Inc

    ActivePrivate motor carrier

    Avon, CT · 4 mi away

    CallAsk it
    Proof for Avon Plumbing & Heating CO Inc
    USDOT registration
    FMCSA 1783479
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Avon, CT · serves Connecticut
    Phone
    (860) 677-9721
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  15. Field Plumbing & Heating LLC

    ActivePrivate motor carrier

    Plainville, CT · 4 mi away

    CallAsk it
    Proof for Field Plumbing & Heating LLC
    USDOT registration
    FMCSA 1986198
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Plainville, CT · serves Connecticut
    Phone
    (860) 793-2864
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  16. Tiadora Plumbing & Heating

    ActivePrivate motor carrier

    Plainville, CT · 4 mi away

    CallAsk it
    Proof for Tiadora Plumbing & Heating
    USDOT registration
    FMCSA 2196371
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Plainville, CT · serves Connecticut
    Phone
    (860) 224-7214
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  17. Total Mechanical Systems LLC

    ActivePrivate motor carrier

    Plainville, CT · 4 mi away

    CallAsk it
    Proof for Total Mechanical Systems LLC
    USDOT registration
    FMCSA 3203710
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Plainville, CT · serves Connecticut
    Phone
    (860) 314-1518
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  18. Acr Technical Services

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

    New Britain, CT · 4 mi away

    Ask it
    Proof for Acr Technical Services
    License
    DCP HTG.0392035-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 5, 2026
    Where
    New Britain, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0392035-S1 → Connecticut Consumer Protection search

  19. Air Connections LLC

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

    Plainville, CT · 4 mi away

    Ask it
    Proof for Air Connections LLC
    License
    DCP HIC.0613424
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Home Improvement Contractor; Heating, Piping & Cooling Limited Contractor (D1)
    Expires
    Mar 31, 2027
    Checked
    Nov 5, 2026
    Where
    Plainville, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HIC.0613424 → Connecticut Consumer Protection search

  20. Avon Plumbing & Heating CO Inc

    ActiveHome Improvement Contractor

    Avon, CT · 4 mi away

    Ask it
    Proof for Avon Plumbing & Heating CO Inc
    License
    DCP HIC.0674428
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Home Improvement Contractor
    Expires
    Mar 31, 2027
    Checked
    Nov 5, 2026
    Where
    Avon, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HIC.0674428 → 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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