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

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Heating and air conditioning in Durham, CT

7 heating and air conditioning in Durham, CT; 699 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Allied Mechanical Services

    ActiveHeating, Piping & Cooling Limited Contractor (D1)

    Durham, CT

    Ask it
    Proof for Allied Mechanical Services
    License
    DCP HTG.0405919-D1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Limited Contractor (D1)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Durham, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0405919-D1 → Connecticut Consumer Protection search

  2. Baumann Sheet Metal, Inc

    ActiveSheet Metal Limited Contractor (SM1)

    Durham, CT

    Ask it
    Proof for Baumann Sheet Metal, Inc
    License
    DCP SHM.0005465-SM1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Sheet Metal Limited Contractor (SM1)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Durham, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up SHM.0005465-SM1 → Connecticut Consumer Protection search

  3. Coastal Inc Plumbing & Heating

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

    Durham, CT

    Ask it
    Proof for Coastal Inc Plumbing & Heating
    License
    DCP PLM.0287807-P1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Plumbing & Piping Unlimited Contractor (P1); Heating, Piping & Cooling Unlimited Contractor (S1); Solar Thermal Contractor (STC1)
    Expires
    Oct 31, 2027
    Checked
    Nov 5, 2026
    Where
    Durham, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0287807-P1 → Connecticut Consumer Protection search

  4. Incredible Oil LLC

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

    Durham, CT

    Ask it
    Proof for Incredible Oil LLC
    License
    DCP HTG.0391394-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
    Durham, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0391394-S1 → Connecticut Consumer Protection search

  5. Kevin Johnson Enterprises

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

    Durham, CT

    Ask it
    Proof for Kevin Johnson Enterprises
    License
    DCP PLM.0279505-P7
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Plumbing & Piping Limited Contractor (P7); Heating, Piping & Cooling Unlimited Contractor (S1); Sheet Metal Limited Contractor (SM1)
    Expires
    Oct 31, 2027
    Checked
    Nov 5, 2026
    Where
    Durham, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0279505-P7 → Connecticut Consumer Protection search

  6. Landry Plumbing & Heating LLC

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

    Durham, CT

    Ask it
    Proof for Landry Plumbing & Heating LLC
    License
    DCP PLM.0281185-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
    Durham, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0281185-P1 → Connecticut Consumer Protection search

  7. Parmelee Plmbg & Heating CO

    ActiveHome Improvement Contractor

    Durham, CT

    Ask it
    Proof for Parmelee Plmbg & Heating CO
    License
    DCP HIC.0530414
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Home Improvement Contractor
    Expires
    Mar 31, 2027
    Checked
    Nov 5, 2026
    Where
    Durham, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HIC.0530414 → Connecticut Consumer Protection search

  8. L & I Refrigeration Inc

    ActivePrivate motor carrier

    Middlefield, CT · 4 mi away

    CallAsk it
    Proof for L & I Refrigeration Inc
    USDOT registration
    FMCSA 747000
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Middlefield, CT · serves Connecticut
    Phone
    (860) 349-1021
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  9. Becker & Sons Sheet Metal Inc

    ActiveSheet Metal Limited Contractor (SM1)

    Middlefield, CT · 4 mi away

    Ask it
    Proof for Becker & Sons Sheet Metal Inc
    License
    DCP SHM.0002485-SM1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Sheet Metal Limited Contractor (SM1)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Middlefield, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up SHM.0002485-SM1 → Connecticut Consumer Protection search

  10. County Wide Mechanical Services

    ActiveHeating, Piping & Cooling Limited Contractor (S9)

    Middlefield, CT · 4 mi away

    Ask it
    Proof for County Wide Mechanical Services
    License
    DCP HTG.0398364-S9
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Limited Contractor (S9)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Middlefield, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0398364-S9 → Connecticut Consumer Protection search

  11. Colonial Refrigeration & Air Conditioning

    ActivePrivate motor carrier

    Wallingford, CT · 6 mi away

    CallAsk it
    Proof for Colonial Refrigeration & Air Conditioning
    USDOT registration
    FMCSA 1946206
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Wallingford, CT · serves Connecticut
    Phone
    (203) 641-9494
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  12. Durso and Son Home Heating Oil LLC

    ActivePrivate motor carrier

    Madison, CT · 9 mi away

    CallAsk it
    Proof for Durso and Son Home Heating Oil LLC
    USDOT registration
    FMCSA 2571486
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Madison, CT · serves Connecticut
    Phone
    (203) 800-6971
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  13. Gargano Heating & Cooling LLC

    ActivePrivate motor carrier

    Middletown, CT · 5 mi away

    CallAsk it
    Proof for Gargano Heating & Cooling LLC
    USDOT registration
    FMCSA 9710552
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Middletown, CT · serves Connecticut
    Phone
    (203) 654-0712
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  14. Superior Mechanical Systems Inc

    ActivePrivate motor carrier

    Wallingford, CT · 6 mi away

    CallAsk it
    Proof for Superior Mechanical Systems Inc
    USDOT registration
    FMCSA 1404437
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Wallingford, CT · serves Connecticut
    Phone
    (203) 265-9333
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  15. Tin Man Mechanical & Building Services LLC

    ActivePrivate motor carrier

    Middletown, CT · 5 mi away

    CallAsk it
    Proof for Tin Man Mechanical & Building Services LLC
    USDOT registration
    FMCSA 3910754
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Middletown, CT · serves Connecticut
    Phone
    (860) 662-1200
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  16. A-1 Services Inc

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

    Meriden, CT · 9 mi away

    Ask it
    Proof for A-1 Services Inc
    License
    DCP MCO.0904247
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Major Contractor; Heating, Piping & Cooling Unlimited Contractor (S1); Sheet Metal Limited Contractor (SM1)
    Expires
    Jun 30, 2027
    Checked
    Nov 5, 2026
    Where
    Meriden, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MCO.0904247 → Connecticut Consumer Protection search

  17. Aiello Home Services

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

    Middletown, CT · 5 mi away

    Ask it
    Proof for Aiello Home Services
    License
    DCP PLM.0282374-P1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Plumbing & Piping Unlimited Contractor (P1); Heating, Piping & Cooling Limited Contractor (D1)
    Expires
    Oct 31, 2027
    Checked
    Nov 5, 2026
    Where
    Middletown, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PLM.0282374-P1 → Connecticut Consumer Protection search

  18. Air Duct Services

    ActiveHeating, Piping & Cooling Limited Contractor (S9)+1

    Northford, CT · 7 mi away

    Ask it
    Proof for Air Duct Services
    License
    DCP HTG.0410083-S9
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Limited Contractor (S9); Sheet Metal Limited Contractor (SM1)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Northford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0410083-S9 → Connecticut Consumer Protection search

  19. Alltemp Mechanical LLC

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

    Middletown, CT · 5 mi away

    Ask it
    Proof for Alltemp Mechanical LLC
    License
    DCP HTG.0393471-S1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Unlimited Contractor (S1); Solar Thermal Contractor (STC1)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Middletown, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0393471-S1 → Connecticut Consumer Protection search

  20. Alpha Techs HVAC

    ActiveHeating, Piping & Cooling Limited Contractor (D1)

    Wallingford, CT · 6 mi away

    Ask it
    Proof for Alpha Techs HVAC
    License
    DCP HTG.0405145-D1
    Issuer
    Connecticut Consumer Protection
    Status
    Active
    Class
    Heating, Piping & Cooling Limited Contractor (D1)
    Expires
    Aug 31, 2027
    Checked
    Nov 5, 2026
    Where
    Wallingford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HTG.0405145-D1 → 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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