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Plumbers and heating and cooling contractors in Windham County, CT

  • 16

    Contractors

  • 4

    With Google ratings

  • 6

    Registered 10+ years

16 plumbers and heating and cooling contractors are listed in Windham County. 13 hold an active USDOT registration.

Of the 13 with a fleet size on record, 12 run one to three trucks and 1 runs four to ten. Danielson has the most contractors with 2, then Dayville with 2 and Willimantic with 2.

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All 16 contractors

  1. Coastline Heating & Cooling
    5.0 from 7 reviews via Google
    (860) 707-7635
  2. Eric Sabo Plumbing Heating and Cooling LLC
    Canterbury4.9 from 303 reviews via Google
    (860) 608-4610
  3. Medina Sewer & Drain Cleaning Services
    4.8 from 53 reviews via Google
    (203) 909-1099
  4. Air Pro Services LLC
    Canterbury4.7 from 12 reviews via Google
    (860) 334-3031
  5. C W Knight Oil Heating LLC
    North Windham
    (860) 933-1603
Map of plumbers and heating and cooling contractors in Windham County, CT
Pins mark ZIP code areas. A number shows how many contractors share that ZIP code.
  1. Cramer Plumbing and Property Services
    Sterling
    (401) 556-5239
  2. T & A Mechanical LLC
    Brooklyn
    (860) 774-1060
  3. TLZ Welding and Mechanical Services LLC
    Moosup
    (860) 457-5045
  4. Daniels Plumbing
    Danielson
    (860) 315-2494
  5. Deep 6 Plumbing & Heating LLC
    Woodstock
    (860) 974-2113
  6. Eastern Connecticut Heating LLC
    Danielson
    (860) 753-0731
  7. Hilltop Plumbing LLC
    Dayville
    (860) 774-9898
  8. Knight Oil & Heating
    Willimantic
    (203) 455-9655
  9. M J Williams Heating and Air Conditioning Inc
    Woodstock
    (508) 949-0035
  10. Mechanical Racing & Towing LLC
    Willimantic
    (959) 237-1811
  11. Quality Plumbing & Heating
    Dayville
    (860) 779-9474
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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 Windham County

From 1991 to 2020, Windham County averaged 6,151 heating degree days and 498 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)

Plumbing and HVAC rules in Connecticut

What plumbing and HVAC work costs in Connecticut

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 Connecticut

Rules in Connecticut

Connecticut licenses plumbing contractors and journeyperson plumbers through its Department of Consumer Protection.1, 2, 3 Heating and cooling contractors in Connecticut hold their own licenses from the same department.4 Your local building department in Connecticut can tell you whether replacing a water heater, furnace or AC needs a permit.

Plumbing and HVAC rules in Connecticut

Nearby counties

Sources

  1. Connecticut Open Data ↑
  2. Connecticut Department of Consumer Protection ↑
  3. Connecticut Department of Consumer Protection ↑
  4. Connecticut Department of Consumer Protection ↑