DouxProcess Directory

Ask for any business in the US.

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

you asked:

Heating and air conditioning in Harvard, IL

Heating and air conditioning in Harvard, IL; 190 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Hartwig Mechanical LLC

    ActivePrivate motor carrier

    Harvard, IL

    Proof for Hartwig Mechanical LLC
    USDOT registration
    FMCSA 2531631
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Harvard, IL · serves Illinois
    Phone
    (815) 943-4430
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  2. Harms Refrigeration LLC

    ActivePrivate motor carrier

    Wonder Lake, IL · 13 mi away

    Proof for Harms Refrigeration LLC
    USDOT registration
    FMCSA 6608679
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Wonder Lake, IL · serves Illinois
    Phone
    (815) 999-9400
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  3. Tda Mechanical Services Inc

    ActivePrivate motor carrier

    Marengo, IL · 13 mi away

    Proof for Tda Mechanical Services Inc
    USDOT registration
    FMCSA 4840233
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Marengo, IL · serves Illinois
    Phone
    (847) 529-7726
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  4. Air First Mechanical

    Heating and air conditioning

    Woodstock, IL · 11 mi away

    Proof for Air First Mechanical
    Where
    Woodstock, IL · serves Illinois
    Phone
    (815) 568-0628
    Listing
    Built from public records. Not claimed yet, so call them directly.
  5. Air Force One Heating and Cooling

    Heating and air conditioning

    Marengo, IL · 13 mi away

    Proof for Air Force One Heating and Cooling
    Where
    Marengo, IL · serves Illinois
    Phone
    (815) 568-9400
    Listing
    Built from public records. Not claimed yet, so call them directly.
  6. Arctic Heating & Cooling

    Heating and air conditioning

    Marengo, IL · 13 mi away

    Proof for Arctic Heating & Cooling
    Where
    Marengo, IL · serves Illinois
    Phone
    (815) 568-7686
    Listing
    Built from public records. Not claimed yet, so call them directly.
  7. Comfort Air Heating & Cooling Inc

    Heating and air conditioning

    Wonder Lake, IL · 13 mi away

    Proof for Comfort Air Heating & Cooling Inc
    Where
    Wonder Lake, IL · serves Illinois
    Phone
    (815) 459-2700
    Listing
    Built from public records. Not claimed yet, so call them directly.
  8. Hudak Heating and Air Conditioning

    Heating and air conditioning

    Wonder Lake, IL · 13 mi away

    Proof for Hudak Heating and Air Conditioning
    Where
    Wonder Lake, IL · serves Illinois
    Phone
    (815) 355-2210
    Listing
    Built from public records. Not claimed yet, so call them directly.
  9. Mg Mechanical Contracting, Inc.

    Heating and air conditioning

    Woodstock, IL · 11 mi away

    Proof for Mg Mechanical Contracting, Inc.
    Where
    Woodstock, IL · serves Illinois
    Phone
    (815) 334-9450
    Listing
    Built from public records. Not claimed yet, so call them directly.
  10. Woodstock Heating, Cooling & Electrical

    Heating and air conditioning

    Woodstock, IL · 11 mi away

    Proof for Woodstock Heating, Cooling & Electrical
    Where
    Woodstock, IL · serves Illinois
    Phone
    (815) 338-0282
    Listing
    Built from public records. Not claimed yet, so call them directly.
  11. A G Plumbing & Heating

    Heating and air conditioning

    McHenry, IL · 18 mi away

    Proof for A G Plumbing & Heating
    Where
    McHenry, IL · serves Illinois
    Phone
    (815) 363-0671
    Listing
    Built from public records. Not claimed yet, so call them directly.
  12. Accu Aire Comfort Systems

    Heating and air conditioning

    Roscoe, IL · 19 mi away

    Proof for Accu Aire Comfort Systems
    Where
    Roscoe, IL · serves Illinois
    Phone
    (815) 624-0644
    Listing
    Built from public records. Not claimed yet, so call them directly.
  13. American Comfort Central

    Heating and air conditioning

    McHenry, IL · 18 mi away

    Proof for American Comfort Central
    Where
    McHenry, IL · serves Illinois
    Phone
    (855) 848-3638
    Listing
    Built from public records. Not claimed yet, so call them directly.
  14. Black Diamond Plumbing & Mechanical Inc.

    Heating and air conditioning

    McHenry, IL · 18 mi away

    Proof for Black Diamond Plumbing & Mechanical Inc.
    Where
    McHenry, IL · serves Illinois
    Phone
    (815) 322-9227
    Listing
    Built from public records. Not claimed yet, so call them directly.
  15. Bomgarden's Heating & Air Conditioning

    Heating and air conditioning

    Roscoe, IL · 19 mi away

    Proof for Bomgarden's Heating & Air Conditioning
    Where
    Roscoe, IL · serves Illinois
    Phone
    (815) 389-4328
    Listing
    Built from public records. Not claimed yet, so call them directly.
  16. Broadway Heating and Cooling

    Heating and air conditioning

    Richmond, IL · 16 mi away

    Proof for Broadway Heating and Cooling
    Where
    Richmond, IL · serves Illinois
    Phone
    (224) 430-7353
    Listing
    Built from public records. Not claimed yet, so call them directly.
  17. Combined Services HVAC

    Heating and air conditioning

    McHenry, IL · 18 mi away

    Proof for Combined Services HVAC
    Where
    McHenry, IL · serves Illinois
    Phone
    (833) 388-1581
    Listing
    Built from public records. Not claimed yet, so call them directly.
  18. Comfort Services

    Heating and air conditioning

    McHenry, IL · 18 mi away

    Proof for Comfort Services
    Where
    McHenry, IL · serves Illinois
    Phone
    (815) 385-0700
    Listing
    Built from public records. Not claimed yet, so call them directly.
  19. Cork's Plumbing, Heating, & Cooling

    Heating and air conditioning

    Huntley, IL · 20 mi away

    Proof for Cork's Plumbing, Heating, & Cooling
    Where
    Huntley, IL · serves Illinois
    Phone
    (224) 569-3000
    Listing
    Built from public records. Not claimed yet, so call them directly.
  20. Dowe & Wagner

    Heating and air conditioning

    Richmond, IL · 16 mi away

    Proof for Dowe & Wagner
    Where
    Richmond, IL · serves Illinois
    Phone
    (815) 678-3000
    Listing
    Built from public records. Not claimed yet, so call them directly.

More cities in Illinois

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

Checked facts from public license files · Answers may be worded by Claude, an AI model from Anthropic; it never decides facts or order · How ranking works