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Plumbers and heating and cooling contractors in Napa County, CA

  • 100

    Contractors

  • 19

    With Google ratings

  • 8

    Registered 10+ years

100 plumbers and heating and cooling contractors are listed in Napa County. 10 hold an active USDOT registration.

Of the 8 with a fleet size on record, 6 run one to three trucks and 2 run four to ten. Napa has the most contractors with 57, then Napa with 15 and American Canyon with 10.

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Contractors 1 to 50 of 100

  1. AAA Organized Plumbing - Napa
    Napa5.0 from 72 reviews via Google
    (707) 979-6931
  2. John Mendoza Plumbing
    5.0 from 44 reviews via Google
    (707) 332-1506
  3. Standard Hvac
    Napa5.0 from 17 reviews via Google
    (707) 255-1748
  4. Denny's Heating & Air Conditioning
    Napa5.0 from 10 reviews via Google
    (707) 254-9352
  5. CM heating and air
    Napa5.0 from 7 reviews via Google
    (707) 699-5219
Map of plumbers and heating and cooling contractors in Napa County, CA
Pins mark ZIP code areas. A number shows how many contractors share that ZIP code.
  1. Good Guy Services (Heating & Cooling)
    Napa5.0 from 5 reviews via Google
    (707) 709-5445
  2. PURE PLUMBER of NAPA
    Napa5.0 from 4 reviews via Google
    (707) 702-0696
  3. All Star Plumbing - Napa
    Napa5.0 from 3 reviews via Google
    (707) 200-8865
  4. A N S Plumbing Inc
    Napa4.9 from 428 reviews via Google
    (707) 696-9284
  5. AdamEck HVAC, Inc
    Napa4.9 from 166 reviews via Google
    (707) 266-1033
  6. All Star Plumbing & Showhouse - Napa
    Napa4.9 from 136 reviews via Google
    (707) 203-2910
  7. LaPonza Plumbing
    4.9 from 60 reviews via Google
    (707) 656-9211
  8. PURE PLUMBER of ST. HELENA
    St Helena4.9 from 10 reviews via Google
    (707) 760-7855
  9. Fuse HVAC & Appliance Repair Napa
    Napa4.8 from 1100 reviews via Google
    (707) 883-8003
  10. Reliable Heating and Air
    Napa4.8 from 131 reviews via Google
    (707) 252-7227
  11. Ed's Plumbing and Repair
    Napa4.7 from 18 reviews via Google
    (707) 224-9031
  12. Ken Mays Plumbing Inc
    Napa4.2 from 39 reviews via Google
    (707) 226-9232
  13. J Pena Plumbing
    4.0 from 4 reviews via Google
    (707) 739-4035
  14. CSA Roofing Heating & Air
    Napa
    (707) 253-8199
  15. Custom Heating and Air Conditioning
    Napa
    (707) 257-6949
  16. Dowdle & Sons Mechanical Inc
    American Canyon
    (707) 224-6968
  17. Helimec
    Saint Helena
    (415) 385-5436
  18. Klingbeil Plumbing
    Angwin
    (707) 965-3900
  19. Silverado Plumbing Inc
    Napa
    (707) 252-6578
  20. JTC Mechanical, Inc
    St Helena
    (707) 963-1598
  21. ABC Sewer Solutions
    Napa
    (707) 226-3166
  22. Ach Pro Mechanical
    Napa
    (707) 880-9119
  23. Aldape Heating and Air Conditioning
    American Canyon
    (707) 980-2999
  24. Allen Brian
    Napa
    (707) 227-7197
  25. Anthony's Plumbing of Napa
    Napa
    (707) 815-2567
  26. Aqueduct Plumbing
    St Helena
    (707) 299-9220
  27. AV Plumbing
    Napa
    (707) 758-6390
  28. Affordable Plumber Napa -Drain Service & Plumbing Repair
    (707) 674-5456
  29. Bekker Jeff
    Napa
    (707) 337-2579
  30. Bell Products Inc
    Napa
    (707) 255-1811
  31. Berryessa Electronics & Mechanical Services
    Napa
    (775) 843-7450
  32. Clayton Plumbing Services
    American Canyon
    (707) 738-4986
  33. Cross Valley Construction
    Napa
    (707) 494-3811
  34. DP Pipe Works Plumbing
    Napa
    (707) 815-2974
  35. Eagle Valley Plumbing Inc
    Napa
    (347) 658-0570
  36. Eco Plumbing
    Napa
    (707) 637-7238
  37. EPI Plumbing
    Napa
    (707) 286-9753
  38. Flynn Chris Plumbing
    Calistoga
    (707) 815-6636
  39. Fox-Heating Air Conditioning and Refrigeration
    Napa
    (323) 456-6833
  40. FUSE Heating and Air Conditioning
    Napa
    (707) 710-8660
  41. Gonzalez Plumbing
    Napa
    (707) 774-1156
  42. Hermes Plumbing Inc
    Napa
    (707) 690-8172
  43. Heat Napa AC Repair LLC
    Napa
    (707) 812-6085
  44. Heating Repair
    Napa2.3 from 7 reviews via Google
  45. I G Enterprises
    American Canyon
    (707) 647-1758
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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 Napa County

Half the homes in Napa County were built before 1976, 57% before 1980 and 27% 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, Napa County averaged 2,795 heating degree days and 897 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 Napa County, 64% of occupied homes heat with utility gas, 28% with electricity. (Census Bureau American Community Survey table B25040, 2020 to 2024 5-year estimates)

Plumbing and HVAC rules in California

What plumbing and HVAC work costs in California

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 California

Rules in California

California's Contractors State License Board issues the C-36 license plumbing businesses hold.1, 2, 3 Heating and cooling businesses in California hold the board's C-20 license.4 Your local building department in California can tell you whether replacing a water heater, furnace or AC needs a permit.

Plumbing and HVAC rules in California

Nearby counties

Sources

  1. California Contractors State License Board ↑
  2. California Contractors State License Board ↑
  3. California Contractors State License Board ↑
  4. California Contractors State License Board ↑