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Plumbers and heating and cooling contractors in Howard County, MD

  • 47

    Contractors

  • 33

    With Google ratings

  • 16

    Registered 10+ years

47 plumbers and heating and cooling contractors are listed in Howard County. 17 hold an active USDOT registration.

Of the 17 with a fleet size on record, 12 run one to three trucks, 4 run four to ten and 1 runs more than ten. Columbia has the most contractors with 13, then Columbia with 5 and Ellicott City with 5.

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All 47 contractors

  1. Heil Plumbing
    Jessup5.0 from 2700 reviews via Google
    (410) 799-7727
  2. Thomas D. Stern Air Experts Inc.
    5.0 from 776 reviews via Google
    (410) 984-2655
  3. Buric Heating and Air Conditioning
    Columbia5.0 from 471 reviews via Google
    (410) 593-1980
  4. Plumbing Mastered
    Columbia5.0 from 259 reviews via Google
    (301) 969-3843
  5. Beltway Air Conditioning, Heating & Plumbing
    Columbia5.0 from 239 reviews via Google
    (410) 593-1154
Map of plumbers and heating and cooling contractors in Howard County, MD
Pins mark ZIP code areas. A number shows how many contractors share that ZIP code.
  1. Ahoy Plumbing
    5.0 from 160 reviews via Google
    (443) 343-2920
  2. Big Guy Plumbing
    Ellicott City5.0 from 123 reviews via Google
    (667) 371-1242
  3. Wenbrooke Services - Electrical, Plumbing, Heating, and Air
    Columbia5.0 from 55 reviews via Google
    (240) 204-8472
  4. Hooper AC & Heating
    Clarksville5.0 from 51 reviews via Google
    (410) 762-3949
  5. Revolution Air - Heating & Air Conditioning
    Columbia5.0 from 28 reviews via Google
    (202) 827-6527
  6. Ace Heating and Air Conditioning LLC
    5.0 from 10 reviews via Google
    (443) 745-7000
  7. American Heating And Cooling
    Columbia5.0 from 10 reviews via Google
    (667) 200-2753
  8. Sovereign Service
    Columbia5.0 from 5 reviews via Google
    (301) 490-9500
  9. Pumphrey Plumbing Services LLC
    5.0 from 4 reviews via Google
    (301) 536-4629
  10. Christopher & Sons Plumbing LLC
    5.0 from 3 reviews via Google
    (667) 334-5461
  11. CroppMetcalfe Columbia
    Columbia4.9 from 814 reviews via Google
    (410) 505-7670
  12. Save The Day Plumbing & Drain Cleaning LLC
    4.9 from 740 reviews via Google
    (410) 441-5010
  13. Beltway Air Conditioning, Heating & Plumbing
    Ellicott City4.9 from 606 reviews via Google
    (443) 727-1399
  14. Carroll Mechanical
    Columbia4.9 from 587 reviews via Google
    (443) 300-1553
  15. Buric Heating and Air Conditioning
    Ellicott City4.9 from 416 reviews via Google
    (410) 538-1049
  16. Benjamin Franklin Plumbing of Columbia
    Columbia4.9 from 274 reviews via Google
    (301) 396-7491
  17. Dun Rite Drain Cleaning LLC
    4.9 from 22 reviews via Google
    (410) 365-6490
  18. Catons Plumbing, Drains & Water Cleanup
    Ellicott City4.8 from 605 reviews via Google
    (410) 747-1017
  19. Greenfox Cooling, Heating & Plumbing
    Columbia4.8 from 268 reviews via Google
    (443) 574-4328
  20. Wallace Plumbing
    4.8 from 12 reviews via Google
    (410) 725-4016
  21. Supreme Service Today
    Ellicott City4.7 from 602 reviews via Google
    (410) 618-0868
  22. Ehrhardt Brothers Quality Plumbing, Inc.
    Columbia4.7 from 165 reviews via Google
    (410) 997-8414
  23. No -Frost Air Conditioning & Heating, LLC
    Ellicott City4.7 from 88 reviews via Google
    (410) 461-6422
  24. Abbotts Plumbing Inc
    Elkridge4.6 from 473 reviews via Google
    (410) 536-5700
  25. Robert G Bookhultz Plumbing Inc
    4.5 from 38 reviews via Google
    (410) 552-4502
  26. ARS / Rescue Rooter
    Laurel4.4 from 4200 reviews via Google
    (301) 276-4499
  27. Best Choice Plumbers LLC
    Columbia4.1 from 154 reviews via Google
    (301) 246-3668
  28. Associates Plumbing Incorporated
    Columbia3.1 from 22 reviews via Google
    (443) 917-2510
  29. Husky Heating Oil
    Columbia
    (410) 418-8000
  30. JPG Plumbing and Mechanical Inc
    Jessup
    (240) 241-5060
  31. S M Fenlon Plumbing & Heating Inc
    Dayton
    (301) 854-0500
  32. Madison Mechanical Inc
    Marriottsville
    (410) 461-7301
  33. Penguin Heating and Air Conditioning
    Columbia
    (410) 540-9245
  34. Smith Mechanical Incorporated
    Columbia
    (410) 992-9570
  35. Bauman Plumbing LLC
    Elkridge
    (410) 796-2515
  36. Dean Steinacker
    Columbia
    (410) 499-6560
  37. Domco
    Laurel
    (301) 725-1998
  38. Fell Plumbing Inc
    Highland
    (301) 854-0787
  39. Lloyd Plumbing Corporation
    Ellicott City
    (410) 203-2720
  40. Rowan Heating & Air Conditioning Inc
    Highland
    (410) 531-0008
  41. Zepp Plumbing & Heating Inc
    Clarksville
    (410) 531-6712
  42. KFM 247 LLC
    Woodbine
    (800) 323-2807
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Ranked by verified owner, then a Google rating of 4.0 or higher, then review count, then fleet size. A lower rating is still shown, and ranks with the listings we hold no rating for. How ranking works

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Services in Howard County

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Homes in Howard County

Half the homes in Howard County were built before 1989, 29% before 1980 and 6% before 1960. (Census Bureau American Community Survey table B25035, 2020 to 2024 5-year estimates; Census Bureau American Community Survey table B25034, 2020 to 2024 5-year estimates)

From 1991 to 2020, Howard County averaged 4,735 heating degree days and 1,029 cooling degree days a year. (NOAA NCEI nClimDiv county heating degree days, 1991 to 2020 averages; NOAA NCEI nClimDiv county cooling degree days, 1991 to 2020 averages)

In Howard County, 50% of occupied homes heat with electricity, 42% with utility gas. (Census Bureau American Community Survey table B25040, 2020 to 2024 5-year estimates)

Plumbing and HVAC rules in Maryland

What plumbing and HVAC work costs in Maryland

Ranges are national; ask contractors near you.

A plumber's hourly rate
$45 to $200 an hour; most charge $70 to $150 (HomeAdvisor, Fixr, HomeGuide)
A plumber's service call
$50 to $300 a visit, which often covers the first hour (HomeAdvisor, Fixr, HomeGuide)
After-hours or emergency call
about $100 to $300 added to the call, or about $150 to $350 an hour (HomeAdvisor, Fixr, HomeGuide)
Burst or leaking pipe repair
$200 to $3,000; the guides' averages run $500 to $1,200 (HomeAdvisor, Fixr, HomeGuide)
Clearing a sink, tub or toilet drain
$100 to $275 (HomeAdvisor, Fixr, HomeGuide)
Clearing the main line
$175 to $800; typically $350 to $650 (HomeAdvisor, Fixr, HomeGuide)
Hydro jetting
$350 to $1,400, depending on the line and the blockage (HomeAdvisor, Fixr, HomeGuide)
Gas tank water heater
$700 to $2,700 installed; about $1,900 on average (HomeAdvisor, Fixr, HomeGuide)
Tankless water heater
$1,600 to $5,600 installed for gas, depending on gas line and venting work (HomeAdvisor, Fixr, HomeGuide)$850 to $3,000 installed for electric, before any panel upgrade ($850 to $1,700) (Fixr, HomeGuide)
Heat pump water heater
$2,000 to $4,600 installed in place of an electric tank; more when it replaces gas (HomeAdvisor, Fixr, HomeGuide)
Sewer camera inspection
$125 to $500 (HomeAdvisor, Fixr, HomeGuide)
Sewer line replacement
about $1,400 to $5,300 for a typical line (HomeAdvisor, HomeGuide)$50 to $250 a linear foot (HomeAdvisor, HomeGuide)
Replacing central AC on existing ducts
$3,900 to $8,000; about $6,000 on average (HomeAdvisor, Fixr, Forbes Home)
Swapping a heat pump on existing ducts
$4,000 to $8,000; a 3-ton system about $3,900 to $6,200 (HomeAdvisor, Forbes Home, HomeGuide)
A whole-home heat pump system
commonly $14,000 or more (NYSERDA, Massachusetts EEAC, Fixr, HomeGuide)
Replacing a gas furnace
$3,800 to $6,200 at standard efficiency (HomeGuide, HomeAdvisor, Fixr, Forbes Home)$5,200 to $12,000 at high efficiency (90% AFUE and up) (HomeGuide, HomeAdvisor, Fixr, Forbes Home)
Replacing an electric furnace
$1,600 to $8,000, with a like-for-like swap at the low end (Fixr, HomeAdvisor)
A single-zone mini-split
$2,000 to $5,000 (HomeGuide, Fixr, Forbes Home)
A multi-zone mini-split
$3,000 to $14,000 for 2 to 4 zones (HomeGuide, Fixr, Forbes Home)
An HVAC tune-up
$70 to $350 a visit; a basic tune-up is often about $100 to $200 (HomeGuide, HomeAdvisor, Fixr)
An HVAC maintenance plan
$120 to $500 a year (HomeGuide, Fixr)

Ranges from HomeAdvisor, HomeGuide, Fixr, Forbes Home, NYSERDA and the Massachusetts EEAC, checked September 2026.

What plumbing and HVAC work costs in Maryland

Rules in Maryland

Maryland licenses master, journeyperson and apprentice plumbers through its State Board of Plumbing.1, 2, 3 Heating and cooling contractors in Maryland are licensed by a separate state board.4 Your local building department in Maryland can tell you whether replacing a water heater, furnace or AC needs a permit.

Plumbing and HVAC rules in Maryland

Nearby counties

Sources

  1. Maryland Department of Labor ↑
  2. Maryland Department of Labor ↑
  3. Maryland Department of Labor ↑
  4. Maryland Department of Labor ↑