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Plumbers and heating and cooling contractors in Whatcom County, WA

  • 110

    Contractors

  • 13

    With Google ratings

  • 3

    Registered 10+ years

110 plumbers and heating and cooling contractors are listed in Whatcom County. 9 hold an active USDOT registration.

Of the 9 with a fleet size on record, 8 run one to three trucks and 1 runs four to ten. Bellingham has the most contractors with 34, then Ferndale with 16 and Lynden with 13.

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Contractors 1 to 50 of 110

  1. Comfort Zone HVAC
    5.0 from 33 reviews via Google
    (360) 226-8698
  2. Barron Heating AC Electrical & Plumbing
    Bellingham5.0 from 17 reviews via Google
    (360) 543-8247
  3. The Drain Fighters
    Bellingham5.0 from 4 reviews via Google
    (309) 315-3722
  4. Marr's Heating, AC, Plumbing & Electrical
    Bellingham4.9 from 2000 reviews via Google
    (855) 202-7062
  5. Clean Air Heating & Cooling
    Bellingham4.9 from 899 reviews via Google
    (360) 209-1340
Map of plumbers and heating and cooling contractors in Whatcom County, WA
Pins mark ZIP code areas. A number shows how many contractors share that ZIP code.
  1. CPI Plumbing, Heating & Cooling
    Bellingham4.9 from 268 reviews via Google
    (360) 219-9467
  2. Best Rooter Service
    4.9 from 111 reviews via Google
    (360) 207-0892
  3. LSM Heating, Plumbing, Electric, Inc.
    Bellingham4.9 from 70 reviews via Google
    (360) 922-6190
  4. Air Plus Heating & Air Conditioning Bellingham
    Bellingham4.9 from 37 reviews via Google
    (360) 820-3119
  5. Envirosmart Solution
    Bellingham4.9 from 13 reviews via Google
    (206) 295-5925
  6. Barron Heating AC Electrical & Plumbing
    Ferndale4.8 from 2500 reviews via Google
    (844) 481-1091
  7. Chuckanut Plumbing, LLC
    Bellingham4.8 from 32 reviews via Google
    (360) 603-8199
  8. Sullivan Plumbing
    Bellingham4.7 from 272 reviews via Google
    (360) 734-6440
  9. Sullivan Plumbing
    Ferndale
    (360) 384-4022
  10. Blythe Mechanical Inc
    Bellingham
    (360) 220-8465
  11. Jaymac Plumbing
    Lynden
    (360) 389-6330
  12. Konicy Mechanical LLC
    Sumas
    (360) 961-4265
  13. Lavergne's Plumbing & Heating
    Everson
    (360) 362-0350
  14. Marv's Plumbing
    Ferndale
    (360) 671-9344
  15. McKay's Plumbing LLC
    Lynden
    (360) 303-3093
  16. Quality Plumbing & Construction
    Lynden
    (360) 380-8083
  17. A Plus Heating & A/C LLC
    Ferndale
    (564) 209-4966
  18. A-1 Pepperworth Plumbing Inc
    Bellingham
    (360) 734-2212
  19. Adagio Backflow Testing
    Bellingham
    (360) 223-2216
  20. Aeon Mechanical LLC
    Sumas
    (360) 949-2800
  21. Al's Electric & Plumbing Inc
    Lynden
    (360) 354-2187
  22. All Smiles Plumbing Srvs LLC
    Bellingham
    (360) 820-4725
  23. Andgar Home Comfort
    Ferndale
    (360) 366-9900
  24. Apex Plumbing
    Bellingham
    (360) 319-3957
  25. Barron Heating & A/C Inc
    Ferndale
    (360) 676-1131
  26. Bat Pro Backflow Services LLC
    Blaine
    (360) 722-2325
  27. Bellingham Plumb'g & HTG Inc
    Bellingham
    (360) 676-9988
  28. Ben the Plumber Inc
    Bellingham
    (360) 410-9442
  29. Birch Bay Plumbing LLC
    Blaine
    (360) 961-5308
  30. Bridge & Bay Plumbing LLC
    Blaine
    (206) 396-6294
  31. Brudvik Plumbing LLC
    Blaine
    (360) 510-6189
  32. Blueprint Audio Video Inc
    Custer
    (360) 733-4246
  33. Climacore Hvac LLC
    Custer
    (360) 927-5749
  34. Compass Heating & Cooling
    Blaine
    (360) 746-9913
  35. CONTRACTORS1STDISTRIBUTION.COM, Inc.
    Bellingham
  36. Clean Air Comfort Systems
    Bellingham
    (360) 398-9400
  37. Dejong Heating & Rfrg Inc
    Ferndale
    (360) 354-0268
  38. DJ's Mechanical LLC
    Ferndale
    (360) 296-3514
  39. Double Check Waterworks
    Maple Falls
    (425) 281-4836
  40. Eagle Plumbing and Heating Inc
    Everson
    (360) 318-9999
  41. Emmericks Plumbing LLC
    Maple Falls
    (360) 325-6073
  42. Era Group LLC
    Ferndale
    (360) 410-6892
  43. Fair Trade Plumbling LLC
    Maple Falls
    (360) 899-2528
  44. Favinger Plumbing
    Bellingham
    (360) 389-1056
  45. Feller Heating & A/C Inc
    Bellingham
    (360) 733-4827
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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 Whatcom County

Half the homes in Whatcom County were built before 1989, 40% before 1980 and 18% 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, Whatcom County averaged 7,410 heating degree days and 40 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 Whatcom County, 47% of occupied homes heat with electricity, 40% with utility gas and 9% with propane or other bottled gas. (Census Bureau American Community Survey table B25040, 2020 to 2024 5-year estimates)

Plumbing and HVAC rules in Washington

What plumbing and HVAC work costs in Washington

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 Washington

Rules in Washington

Washington licenses plumbing contractors and certifies plumbers through its Department of Labor and Industries.1, 2 Heating and cooling contractors in Washington register as specialty contractors rather than holding a competency license.1, 2 Your local building department in Washington can tell you whether replacing a water heater, furnace or AC needs a permit.

Plumbing and HVAC rules in Washington

Nearby counties

Sources

  1. Washington State Open Data Portal ↑
  2. Washington State Legislature ↑