Plumbers and heating and cooling contractors in Washington County, MD

  • 33

    Contractors

  • 6

    With Google ratings

  • 8

    Registered 10+ years

33 plumbers and heating and cooling contractors are listed in Washington County. 14 hold an active USDOT registration.

Of the 14 with a fleet size on record, all run one to three trucks. Hagerstown has the most contractors with 12, then Hagerstown with 6 and Williamsport with 4.

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All 33 contractors

  1. Comfort Central Inc
    Williamsport5.0 from 91 reviews via Google
    (301) 745-5515
  2. RT Services
    Williamsport4.9 from 380 reviews via Google
    (301) 298-3667
  3. B & E Services
    Williamsport4.9 from 161 reviews via Google
    (301) 678-1927
  4. Mr Ben's Sewer & Drain Cleaning
    Williamsport4.9 from 22 reviews via Google
    (301) 791-7818
  5. Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical
    Hagerstown4.8 from 5300 reviews via Google
    (301) 327-1306
Map of plumbers and heating and cooling contractors in Washington County, MD
Pins mark ZIP code areas. A number shows how many contractors share that ZIP code.
  1. Western Maryland Plumbing & Heating, LLC
    Big Pool4.7 from 23 reviews via Google
    (301) 857-7012
  2. (301) 842-3847
  3. (301) 739-9308
  4. (301) 733-0971
  5. (301) 432-4949
  6. (301) 416-2630
  7. (301) 491-1966
  8. (571) 494-7987
  9. (240) 469-4866
  10. (240) 420-5882
  11. Keadle Plumbing
    Clear Spring
    (301) 842-3658
  12. (301) 748-5697
  13. (301) 790-2313
  14. (301) 416-0327
  15. (202) 521-1493
  16. (240) 797-4921
  17. (301) 790-7400
  18. (240) 452-0222
  19. (540) 388-3524
  20. (301) 573-4434
  21. McIntire HVAC
    Hagerstown
    (240) 527-5945
  22. (301) 745-5008
  23. (240) 382-3884
  24. (240) 244-4475
  25. (301) 739-1045
  26. (240) 850-8430
  27. (301) 745-3700
  28. (301) 733-3188
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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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Homes in Washington County

Half the homes in Washington County were built before 1974, 57% before 1980 and 34% 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, Washington County averaged 5,026 heating degree days and 928 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 Washington County, 54% of occupied homes heat with electricity, 21% with utility gas and 16% with fuel oil or kerosene. (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 ↑