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Home / HVAC Technicians / Connecticut / Apprenticeships
HVAC Technician apprenticeships in Connecticut
Connecticut has 280 registered HVAC technician apprenticeship programs: 5 union and 275 open shop.1 Apprentices are hired and paid while they learn.
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280 programs
A & B Cooling & Heating Corp.
South Windsor · Hartford County
A & N Plumbing & Heating, LLC
New Canaan · Fairfield County
A & S Nathan Heating & Cooling, LLC
Ansonia · New Haven County
A + Plumbing & Heating, LLC
West Haven, CT · New Haven County
A.M.E. Plumbing & Heating, LLC
East Granby · Hartford County
AAA Refrigeration Service Inc.
Plainville · Hartford County
Absolute Plumbing & Heating LLC
Trumbull · Fairfield County
Ace Mechanical services plumbing and heating llc
Waterbury · New Haven County
Acp Heating & Cooling, LLC
Stamford · Fairfield County
Adams & Son HVAC
North Stonington · New London County
Advance HVAC
Branford · New Haven County
Advance Plumbing & Heating, Inc.
Newington · Hartford County
AFB Plumbing & Heating, LLC
Stratford · Fairfield County
Air Inc. Heating & Air Conditioning
Branford · New Haven County
Air Specialties Heating & AC Incorporated
West Haven · New Haven County
Aire Serv Heating and Air Conditioning
Ansonia · New Haven County
Airplus Heating & Cooling, LLC
Shelton · Fairfield County
Al's Plumbing and Heating, LLC
Orange · New Haven County
All American Heating & Air Conditioning Inc.
Wolcott · New Haven County
All Plumbing & Heating, LLC
Andover · Tolland County
All Pro HVAC, LLC
Beacon Falls · New Haven County
All-Tech Plumbing & Heating, LLC
Brooklyn · Windham County
Alliance Heating & Air Conditioning
Bridgeport · Fairfield County
Allied Mechanical Services/HB Refrigeration
Wallingford · New Haven County
American Heating & Cooling LLC
Voluntown · New London County
Anthony Badaracco Plumbing & Heating, LLC
Norwalk · Fairfield County
Apex Refrigeration, Cooling & Heating, LLC
Bolton · Tolland County
Aquila Heating & Cooling, LLC
Fairfield · Fairfield County
Around The Clock Heating & Cooling Inc.
North Haven · New Haven County
Astacio Plumbing, HVAC, Electrical
Norwalk 06855 · Fairfield County
Automatic Plumbing & Heating, Inc.
Shelton · Fairfield County
Avallone Heating & Cooling, LLC
North Branford · New Haven County
Avon Plumbing & Heating Co., Inc.
Avon · Hartford County
B & L Heating & Cooling, LLC
Thomaston · Litchfield County
B&M Heating and Cooling, LLC
Derby · New Haven County
Badger's Plumbing & Heating, LLC
Milford · New Haven County
Barry Cone's Heating & Air Conditioning, Inc.
Torrington · Litchfield County
Becker’s HVAC & Electrical Service's
West Hartford · Hartford County
Bellmay Plumbing & Heating INC.
Morris · Litchfield County
Benedetto Heating & Air Conditioning, LLC
Old Lyme · New London County
Berkshire Refrigeration Service Inc.
Bethel · Fairfield County
Bill Aitken Heating, LLC
North Stonington · New London County
Billy Carlson Heating & Air Conditioning, LLC
Southington · Hartford County
Bloszko Plumbing & Heating
Milford · New Haven County
Bosse Heating & Air Conditioning LLC
Plantsville · Hartford County
Botticelli Plumbing & Heating
Danbury · Fairfield County
Boulier Plumbing & Heating
Watertown · Litchfield County
Brian Karwosky's Heating & Air Conditioning,
Stamford · Fairfield County
Brian's Heating & Cooling, LLC
Seymour · New Haven County
Bridgeworks Heating & Cooling, LLC
Plainville · Hartford County
Broad Brook Heating & Cooling, Inc.
Jewett City · New London County
Brookfield Plumbing & Heating, LLC
Brookfield · Fairfield County
Brothers Oil Company & Heating Service
East Hartford · Hartford County
Brown & Son Plumbing & Heating, LLC
Gales Ferry · New London County
Bullseye Refrigeration & A/C Inc.
East Haven · New Haven County
Burnside Plumbing, Heating & A/C, LLC
North Stonington · New London County
C & C Plumbing and Heating, Inc.
East Canaan · Litchfield County
C & G Heating & Air Conditioning Inc.
Torrington · Litchfield County
C.R. Trudeau & Sons Plumbing & Heating
Grosvenordale
C.T.S. Heating & Cooling, INC.
West Haven · New Haven County
Campbell Plumbing and Heating
Moosup · Windham County
Candito Plumbing and HVAC, LLC
Stamford · Fairfield County
Candlewood Valley Heating & A/C LLC
New Milford · Litchfield County
Carl Jordan Plumbing & Heating, LLC
Madison · New Haven County
Casagrande Brothers Heating & Ac
Guilford · New Haven County
Castle Heating And A/C
meriden · New Haven County
Cavoto Plumbing & Heating, LLC.
Stratford · Fairfield County
Ceil Plumbing & Heating, Inc.
Pawcatuck · New London County
Celco Heating & Air Conditioning
Bridgeport · Fairfield County
Cisco Heating and Cooling Pros, LLC
West Haven · New Haven County
Clemson Sheet Metal, LLC
Ellington · Tolland County
CNM Heating Cooling & Piping LLC
Storrs · Tolland County
Columbia Sheet Metal
North Windham · Windham County
Comfort Solutions Heating & Cooling, LLC
Southington · Hartford County
Connecticut Airconditioning Sheetmetal Heatin
Plainville · Hartford County
Connection Plumbing & Heating, LLC
Orange · New Haven County
Conte Plumbing And Heating LLC
Stamford · Fairfield County
Copper Valley Heating & Cooling
Meriden · New Haven County
Corbett HVAC Services, LLC
Willimantic · Windham County
Cordone and Tonucci Plumbing, Heating &
Orange · New Haven County
Cordova Plumbing & Heating, LLC
Southbury · New Haven County
Cornwall Plumbing & Heating, LLC
Canaan · Litchfield County
Courtney's Plumbing & Heating, LLC
Bridgeport · Fairfield County
Coviello Plumbing & Heating, Inc.
Waterbury · New Haven County
Currie's Plumbing, Heating & Cooling, Inc.
Oakdale · New London County
Custom Sheet Metal, LLC
Bethany · New Haven County
Cyr Plumbing and Heating Services Inc
Griswold · New London County
Dalling Heating & Air Conditioning
Shelton · Fairfield County
Darien Plumbing & Heating Inc.
Darien · Fairfield County
Day Plumbing & Heating Co Inc
Torrington · Litchfield County
Delponte Plumbing & Heating, LLC
Glastonbury · Hartford County
DiMaggio Plumbing & Heating, Inc.
Sherman · Fairfield County
DJ Melodia Plumbing & Heating
Shelton · Fairfield County
Don's Heating & Cooling Solutions LLC
Ellington · Tolland County
Donnelly Heating & A/C Maintenance Inc.
Newtown · Fairfield County
Douglas Plumbing, Heating & Air Conditioning
Farmington · Hartford County
Ductworks HVAC Services, LLC
Southington · Hartford County
Dynamic Mechanical Plumbing, Heating & AC
Plainville · Hartford County
Earth Smart Solar
Rocky Hill · Hartford County
East Coast Sheet Metal LLC
Litchfield · Litchfield County
Eastern Conn. Heating Company
Norwich · New London County
Eastern Ducts LLC dba Kennedy Sheet Metal
Bozrah · New London County
Elite Plumbing, Heating & Fire Protection
Berlin · Hartford County
Emond Plumbing & Heating, INC.
Mystic · New London County
Eric Sabo Plumbing, Heating and Cooling, LLC
Canterbury · Windham County
Escape Plumbing & Heating, LLC
Morris · Litchfield County
Evergreen Heating and Cooling, LLC
Hamden · New Haven County
F&H Plumbing And Heating LLC
Wallingford · New Haven County
Fontaine Mechanical Heating & A/C, Inc.
Forestville
Forger-Kunkel Plumbing & Heating, LLC
Fairfield · Fairfield County
Fox Heating Service Inc.
Tolland · Tolland County
Frank L. Macca Plumbing & Heating, Inc.
Hartford · Hartford County
GEO Plumbing & Heating LLC
Madison · New Haven County
Godburn Plumbing & Heating, LLC
Torrington · Litchfield County
GONZO Heating and Cooling LLC
Newington · Hartford County
Greenwich Heating & Cooling, LLC.
Greenwich · Fairfield County
Gregg Landry Plumbing & Heating LLC
Old Lyme · New London County
GT Plumbing, Heating & Cooling, LLC
Norwalk · Fairfield County
Guglietta Plumbing and Heating, LLC
Bristol · Hartford County
Guy's Heating & Cooling
Watertown · Litchfield County
Harrington Plumbing & Heating
Pawcatuck · New London County
Heating & Cooling Solutions, LLC
Norwich · New London County
Hefferon Heating & Cooling LLC
Danbury · Fairfield County
High Performance Heating & Air Conditioning
Brookfield · Fairfield County
Home Comfort Heating & Cooling, LLC
East Haven · New Haven County
Hometown Heating & Cooling, LLC
Avon · Hartford County
Horvath Plumbing & Heating, LLC
Stamford · Fairfield County
HVAC Specialists, LLC
Shelton · Fairfield County
Hy-TEK Plumbing & Heating, LLC
Preston · New London County
Innovative Heating & Cooling, LLC
Milford · New Haven County
Irie Energy Heating & Cooling, LLC
Niantic · New London County
J & M Merrell Plumbing & Heating LLC
Coventry · Tolland County
J & M Plumbing & Heating, LLC
Litchfield · Litchfield County
J. Fusaro Plumbing & Heating, Inc.
Newtown · Fairfield County
J. Mulvaney Plumbing & Heating, Inc.
Ridgefield · Fairfield County
J. V. Canestri Plumbing & Heating
East Haven · New Haven County
J.P. Dunn Heating & Cooling, LLC
Northfield · Litchfield County
J.P. Heating & Cooling, LLC
Stratford · Fairfield County
James Casey & Sons Plumbing & Heating
Falls Village · Litchfield County
James Rybczyk Instant Response Plumbing And Heating And Air Conditioning INC
Bristol · Hartford County
James Rybczyk Plumbing & Heating & Ac INC.
Bristol · Hartford County
JC Heating & Cooling, LLC
Bozrah · New London County
JCO Plumbing & Heating LLC
Canaan · Litchfield County
JDH Plumbing and Heating
west haven · New Haven County
Jezierski Plumbing & Heating Inc.
Thompson · Windham County
Joe Simpson Plumbing & Heating
Woodbury · Litchfield County
Johnson Plumbing, Heating & Engeneering, LLP
Stamford · Fairfield County
Joseph S. Sabino Plumbing & Heating, LLC
Rowayton · Fairfield County
JR Heating & Cooling, LLC
Plainville · Hartford County
Kelley's Heating & Cooling, LLC
New Milford · Litchfield County
King Air Conditioning, LLC
Newington · Hartford County
Kneeland Heating & Cooling, LLC
Gales Ferry · New London County
Krk Plumbing And Heating
Stamford · Fairfield County
L & I Refrigeration, Inc.
Middlefield · Middlesex County
Ledge Light Plumbing & Heating, LLC
Groton · New London County
Lee Seward Plumbing & Heating Inc.
New Milford · Litchfield County
Lighthouse Heating & Cooling, LLC
Norwalk · Fairfield County
Lovett Heating and Cooling LLC
Broad Brook · Hartford County
M & M Heating & Cooling, LLC
Bridgeport · Fairfield County
Mangione Plumbing & Heating, LLC
Winsted · Litchfield County
Marbledale Plumbing & Heating, LLC
Marbledale · Litchfield County
Marlborough Heating & Air Conditioning, LLC
Lebanon · New London County
Marzano Plumbing & Heating LLC
Hartford · Hartford County
Massimo Heating & Cooling
Waterbury · New Haven County
McCarthy Heating Oil Service Inc.
Quaker Hill · New London County
Mcguire Plumbing & Heating
Voluntown · New London County
Mechanical Heating & Air Conditioning, Inc.
New Haven · New Haven County
Mechanical Plumbing & Heating, INC.
Hamden · New Haven County
Michael Burruano Plumbing & Heating
Amston · Tolland County
Michael Sheehy Plumbing & Heating, LLC
Yalesville · New Haven County
Millas Heating & Cooling, LLC
Mystic · New London County
Minutemen Plumbing & Heating, LLC
Torrington · Litchfield County
Modern Heating and Air Conditioning
Milford · New Haven County
MR Heating & Cooling, LLC
Harwington · Litchfield County
MTL Heating and Cooling
West Haven · New Haven County
Munro Plumbing & Heating, LLC
Madison · New Haven County
MVP Plumbing and Heating, LLC
Trumbull · Fairfield County
Nero Air Conditioning Heating & Refrigeration
North Haven · New Haven County
Northeast Heating & Cooling
Bethany · New Haven County
Northeast HVAC Design LLC
Falls Village · Litchfield County
NorthEastern Sheet Metal Co., Inc.
Enfield · Hartford County
Northern Plumbing & Heating
East Norwalk · Fairfield County
Nunes Quality Plumbing & Heating
Windsor · Hartford County
Nutmeg Plumbing & Heating
East Hampton · Middlesex County
Omega Plumbing & Heating, LLC
Norwalk · Fairfield County
Onze Southern Ct Plumbing & Heating LLC
Milford · New Haven County
OSA Heating & Cooling, LLC
Stratford · Fairfield County
P.C.S. Plumbing & Heating, LLC
Seymour · New Haven County
P.L. Canestri Plumbing & Heating LLC
Guilford · New Haven County
Papst Plumbing & Heating LLC
Oxford · New Haven County
Paraco HVAC
West Haven · New Haven County
Park City Boilers Plumbing & Heating, LLC
Milford · New Haven County
PDR Plumbing & Heating, LLC
Wolcott · New Haven County
Pember Plumbing And Heating, LLC
Clinton · Middlesex County
Perfect Timing Heating & Cooling
Thomaston · Litchfield County
Peter Kupchick Heating & Cooling INC.
Fairfield · Fairfield County
Phoenix Mechanical HVAC LLC
Darien · Fairfield County
Pipe Works Plumbing & Heating, LLC
bristol · Hartford County
Polo Plumbing & Heating, LLC
Madison · New Haven County
Precise HVAC Home Services LLC
Bristol · Hartford County
ProFlow Plumbing & Heating LLC
Harwinton · Litchfield County
Progressive Sheet Metal, LLC
South Windsor · Hartford County
Pronto Plumbing & Heating Inc.
Bethel · Fairfield County
Proservice HVAC & Plumbing
Southington · Hartford County
Quality Heating & Cooling LLC
East Windsor · Hartford County
Quinn Plumbing & Heating, LLC
North Haven · New Haven County
R & B Refrigeration, Inc.
Guilford · New Haven County
R & W Heating Energy Solutions LLC
Salem · New London County
Ralph D. Russo Plumbing & Heating
Stamford · Fairfield County
Raps Plumbing & Heating, Inc.
Milford · New Haven County
Ray McGowan & Sons Plumbing & Heating, LLC
Darien · Fairfield County
Reliable Refrigeration Plus, INC.
Hamden · New Haven County
Renshaw Plumbing, Heating & Cooling, LLC
New London · New London County
Renz Plumbing & Heating, Inc.
Bethel · Fairfield County
Rich's Plumbing, Heating & A/C
Enfield · Hartford County
Ridgefield Plumbing & Heating, LLC
Ridgefield · Fairfield County
Riley's Heating Service
North Stonington · New London County
Robert Giusti Plumbing & Heating
Waterford · New London County
Robert J. Boucher Jr. Plumbing & Heating, LLC
Stamford · Fairfield County
Robert Rozmus Plumbing & Heating, Inc.
Riverside · Fairfield County
Rogers Heating & Air Conditioning
Enfield · Hartford County
Ron Rich Jr. Plumbing & Heating, LLC
Shelton · Fairfield County
Rousseau Plumbing & Heating LLC
North Haven · New Haven County
Ryan F. Murphy Heating & Cooling, LLC
New Milford · Litchfield County
S.D.R. Plumbing and Heating, Inc.
Riverside · Fairfield County
Sabanski Plumbing & Heating, LLC
Stamford · Fairfield County
Sanaco INC. Dba Hometown Heating
Brooklyn · Windham County
Sav-Mor Cooling & Heating, INC.
Southington · Hartford County
Setpoint Refrigeration LLC
Farmington · Hartford County
Sheet Metal Workers Local Union #40 JATC
Rocky Hill · Hartford County
Shoreline Plumbing & Heating LLC
Clinton · Middlesex County
Siddall Heating & Cooling By Design
Warren · Litchfield County
Simmons HVAC
Pawcatuck · New London County
Smart Connections, LLC
Storrs · Tolland County
Smart Electrical Solutions, LLC
Trumbull · Fairfield County
Smart Thermal Solutions LLC
Pawcatuck · New London County
SMR Heating & Cooling
Bolton · Tolland County
Soda Service & Alpine Refrigeration
Newington · Hartford County
South Shore Heating & Cooling, Inc.
Pawcatuck · New London County
Spargo Plumbing & Heating, Inc.
Burlington · Hartford County
Sprague Heating and Cooling
Sprague · New London County
SPS Plumbing, Heating & Drain, LLC
Cromwell · Middlesex County
Stephen's HVAC, Inc.
Bridgeport · Fairfield County
Stratford Plumbing & Heating Inc.
Southbury · New Haven County
Sunburst Plumbing & Heating Inc.
Ridgefield · Fairfield County
Superior Comfort Heating & Air Conditioning
Ansonia · New Haven County
Superior Heating & Cooling, Inc.
Berlin · Hartford County
T.A.P. Plumbing & Heating, LLC
Bristol · Hartford County
T.C.'s Plumbing & Heating LLC
Orange · New Haven County
Ted's Plumbing & Heating, Inc.
West Hartford · Hartford County
Tempered Heating and Cooling, LLC
BroadBrook · Hartford County
Thompson Heating & Air Conditioning
Riverside · Fairfield County
TNT Heating & Cooling, LLC
Colchester · New London County
Tom's Plumbing & Heating
Gales Ferry · New London County
Tomaszek & Sons Plumbing, Heating & Pumps, LLC
East Lyme · New London County
Total Plumbing & Heating INC
East Haven · New Haven County
Total Refrigeration
West Suffield · Hartford County
Tradewinds Heating & Cooling, LLC
Branford · New Haven County
Tri-City Heating & Cooling, LLC
Milford · New Haven County
TruComfort Heating and Cooling
Southington · Hartford County
Tyler Heating, A/C, Refrigeration, LLC
Stratford · Fairfield County
Ugo DiGrazia Air Conditioning, Inc.
Hartford · Hartford County
Ultimate Heating And Cooling Mechanical LLC
Somers · Tolland County
Valley Air Conditioning & Heating, INC.
Simsbury · Hartford County
Van Allen Plumbing & Heating
Litchfield · Litchfield County
Vaz Plumbing Heating & Cooling
Danbury · Fairfield County
Vierra Heating & Cooling, LLC
Waterbury · New Haven County
Viglione Heating & Cooling, Inc.
East Haven · New Haven County
Voka Plumbing & Heating, Inc.
Fairfield · Fairfield County
W.B. Dickenson Plumbing & Heating
South Windsor · Hartford County
W.F. Lebeau Plumbing & Heating, Inc.
Willimantic · Windham County
Warco Plumbing & Heating Inc.
Stamford · Fairfield County
Ward Heating and Cooling, LLC
Oxford · New Haven County
Warren J. Gottier Plumbing & Heating, Inc.
Vernon · Tolland County
Westville-Crest Plumbing & Heating, Inc.
West Haven · New Haven County
Wilton Plumbing & Heating Corp.
Bethel · Fairfield County
Windham County Sheet Metal, Inc.
Quinebaug · Windham County
Windsor Sheet Metal Services Inc.
Windsor Locks · Hartford County
Woodcock Refrigeration Co., Inc.
South Windsor · Hartford County
X-treme Temp Heating & Cooling, LLC
Wallingford · New Haven County
No programs match. Clear the county or type filter, or try a nearby ZIP.
Union locals and training centers in Connecticut
Call the local or its training center for the next application date.
SMART union locals
- SMART Local 31Wallingford(914) 490-5801
Sheet metal training centers
- Sheet Metal Workers Local 40 JATC100 Old Forge Road, Rocky Hill
PHCC chapters (heating, cooling, plumbing)
- Southeast Chapter of Connecticutc/o W.J. Woycik Plumbing & Heating, 59 N Stonington Rd, Mystic
ACCA member contractors near you
Pipefitters and HVAC service techs also apprentice through the UA: UA locals in Connecticut.
Union or open shop?
Union
Run by a joint committee of the SMART sheet metal local or the UA pipefitters local and union contractors. You apply to the committee, take an aptitude test and an interview, and wait on a ranked list. The committee sends you to its contractors.
Pay is a set share of the union journey-level rate and steps up on a schedule. Classes are nights or week-long blocks, usually paid for by the program.
Open shop
Run by ACCA or PHCC chapters, ABC or a single HVAC contractor. You usually get hired by a member contractor first, and the contractor enrolls you.
Your employer sets the pay and the raises. Classes are nights or weekends, and some programs charge tuition.
What do programs ask for?
Age
Usually 18. Some programs take applications at 17.
High school diploma or GED
Most programs ask for one. Bring a transcript.
Algebra
Electrical and sheet metal programs usually want one year of high school algebra with a passing grade.
Aptitude test or interview
Union programs give an aptitude test (math and reading) and an interview, then rank applicants. Open-shop programs usually start with a job offer.
Driver's license and drug screen
Many programs ask for both, since apprentices drive between job sites.
Applying this month
Get your papers together1 week
High school transcript or GED, a photo ID, and your birth certificate or proof of age. Programs that ask for algebra want the transcript that shows it.
- Time
- 1 week
Practice for the aptitude test2 to 4 weeks
Union programs test algebra and reading. A few evenings with a practice test helps your ranking.
- Time
- 2 to 4 weeks
Pick three programs and check their dates1 evening
Union programs take applications in set windows, some once a year. Open-shop programs and employer programs often take them year-round.
- Time
- 1 evening
Apply, then keep working
Apply to all three. While you wait, a helper or trainee job with a licensed contractor gives you hours and a reference.
Can't get in yet?
Pre-apprenticeship
Short programs, often free, that teach the basics and help with the application. Ask the programs above which ones they take graduates from.
Start on a crew
Licensed contractors hire helpers with no experience. Keep a log of your hours and employers; many programs and license boards count them. If you'd rather learn the basics first, 3 schools in Connecticut have HVAC technician programs.
The license steps in ConnecticutHow do you get into an HVAC technician apprenticeship in Connecticut?
Pick programs near you, check each one's website for its application dates, and apply to more than one. Union programs test and interview, then rank applicants; open-shop programs usually start once a member contractor hires you.
How much do HVAC technician apprentices make in Connecticut?
Programs set their own scales, usually a share of journey-level pay that rises every year. For a floor, the lowest-paid tenth of all HVAC technicians in Connecticut earned $21.77 an hour or less in May 2025.
HVAC Technician pay in ConnecticutOther routes in Connecticut
Sources
- U.S. Department of Labor, apprenticeship.gov registered apprenticeship partners (apprenticeship.gov)
- BLS Occupational Employment and Wage Statistics, Connecticut, May 2025 (bls.gov, May 2025)