4-M PLUMBING AND HEATING (THE CEU AUTHORITY)
Washington, IA 52353
(319) 591-1561
HVAC & sheet metal apprenticeships in Iowa
- 213 keyword matches · DOL OA Partner Sponsors · October 25, 2026
Sponsors in Iowa whose organization names suggest hvac & sheet metal. This is a keyword filter on public org names — not an official DOL occupation code. Verify the trade with the sponsor.
Treat this list as a starting point. Many valid sponsors won’t match our keywords; many keyword hits may train other occupations too.
72 DEGREES HEATING & COOLING (ABC)
ANKENY, IA 50023
(515) 965-7272
8 FINGER HVAC (THE CEU AUTHORITY)
Martelle, IA 52305
(319) 481-7762
A PLUS SERVICE PLUMBING & HVAC, LLV (THE CEU AUTHORITY)
OTTUMWA, IA 52501
(641) 208-6466
A1 MORRIS HEATING AND COOLING (THE CEU AUTHORITY)
DAVENPORT, IA 52802
(563) 322-3600
A2Z Heating and Plumbing (PHCC)
Iowa City, IA 52240
AAA REFRIGERATION, LLC. dba DOVEL REFRIGERATION
Red Oak, IA 51566
(712) 623-9614
Ace Refrigeration
Sioux City, IA 51104
Action Plus Plumbing Heating & Cooling (PHCC)
Bondurant, IA 50035
ADAMS PLUMBING & HEATING (THE CEU AUTHORITY)
OSAGE, IA 50461
(641) 732-5623
Advanced Heating & Air Conditioning (THE CEU AUTHORITY)
Fort Dodge, IA 50501
(515) 576-7022
ADVANCED PLUMBING & HEATING, LLC (THE CEU AUTHORITY)
ORANGE CITY, IA 51041
(712) 470-1697
ADVANTAGE SHEET METAL (ABC)
Dubuque, IA 52001
(563) 556-4822
Affordable Heating & Cooling
Anamosa, IA 52205
(319) 462-3638
AIR TECH MECH. SYS. LLC dba STAR REFRIGERATION (HCC)
WATERLOO, IA 50702
AirTrac Heating and Cooling, LLC (ABC)
Milo, IA 50166
(515) 985-1177
ALL SEASONS HEATING & COOLING INC. (ABC)
DUBUQUE, IA 52003
(563) 582-8884
ALL SEASONS HVAC (ABC)
DES MOINES, IA 50315
(515) 402-7361
ALL STAR PLUMBING & HEATING, INC.
HUDSON, IA 50643
ALLENSWORTH HEATING AND COOLING (THE CEU AUTHORITY)
RED OAK, IA 51566
(712) 623-3191
AMES HEATING AND COOLING (ABC)
AMES, IA 50014
(515) 292-3322
APOLLO HEATING & AIR/AHACE, INC.
GLENWOOD, IA 51534
ARCTIC REFRIGERATION L.C.
WATERLOO, IA 50701
AREGUIN HEATING AND COOLING, LLC (CEU AUTHORITY)
MUSCATINE, IA 52761
B & G HVAC (THE CEU AUTHORITY)
MARSHALLTOWN, IA 50158
(641) 752-3429
BAKER HEATING & COOLING LLC (THE CEU AUTHORITY)
REDFIELD, IA 50233
(515) 559-6778
BAUER PLUMBING & HEATING (THE CEU AUTHORITY)
EMMETSBURG, IA 50536
(712) 296-0244
Baxter Heating & Air (CEU)
Baxter, IA 50028
Beaver Heating & AC, Inc. (PHCC)
West Des Moines, IA 50266
(515) 282-8192
Beeline Heating and Cooling (ABC)
Ames, IA 50010
(515) 985-1177
Bell Brothers Heating and Air Conditioning, Inc.
Des Moines, IA 50313
(515) 244-8911
Bell Brothers Heating and Air Conditioning, Inc. (ABC)
DES MOINES, IA 50313
(515) 244-8911
Belland Plumbing & Heating (PHCC)
WIilliamsburg, IA 52361
Benson Heating & Air Conditioning (PHCC)
Eldon, IA 52554
Bergen Plumbing, Heating, & Cooling Inc.
WATERLOO, IA 50701
(319) 234-1404
Big Mike's Custom Bath & HVAC, LLC
Clear Lake, IA 50428
BIRCH HEATING AND COOLING (CEU AUTHORITY)
DUBUQUE, IA 52001
(563) 588-9918
BRANDT HEATING & AIR CONDITIONING (THE CEU AUTHORITY)
IOWA CITY, IA 52240
(319) 338-3637
Bunch Heating and Cooling (PHCC)
Marion, IA 52302
BUSSANMAS HEATING AND COOLING
INDIANOLA, IA 50125
C & D Refrigeration (CEU)
SPENCER, IA 51301
C and K Heating & Cooling (PHCC)
Ames, IA 50010
CAMBLIN PLUMBING & HEATING (ABC)
ATLANTIC, IA 50222
(712) 243-1512
Casper Plumbing & Heating (PHCC)
Decorah, IA 52101
CASPER PLUMBING &HEATING, INC.
DECORAH, IA 52101
Cedar Rapids Sheet Metal JATC Local Union 263
Cedar Rapids, IA 52404
CEDAR VALLEY HEATING & COOLING
CEDAR FALLS, IA 50613
Central Iowa Sheet Metal Workers JATC LU 45
DES MOINES, IA 50313
(515) 262-7421
CHARLOTTE PLUMBING, HEATING, & A/C (ABC)
CHARLOTTE, IA 52731
Christians Sheetmetal, HVAC, Inc.
SPENCER, IA 51301
(712) 262-4241
City Wide Heating & Air Conditioning, Inc (THE CEU AUTHORITY)
Windsor Heights, IA 50324
(515) 274-9361
Colony Heating & Cooling (PHCC)
Cedar Rapids, IA 52404
COMPLETE CONSTRUCTION SERVICES PLUMBING, HVAC & ELECTRICAL (THE CEU AUTHORITY)
Oskaloosa, IA 52577
(641) 660-5587
Cordray Heating and Cooling, LLC.
Fort Madison, IA 52627
(319) 372-5063
Country Heating & Cooling (PHCC)
Milo, IA 50166
D & L PLUMBING & HEATING, INC. (CEU AUTHORITY)
ORANGE CITY, IA 51041
(712) 441-6519
DAHL AIR CONDITIONING & HEATING, LLC (ABC)
VAN METER, IA 50261
(515) 996-2216
DAN KELLY HEATING & COOLING INC. (ABC)
Muscatine, IA 52761
(563) 264-1913
DAN'S PLUMBING & HEATING, LLC (CEU)
Knoxville, IA 50138
(641) 842-6937
DAYTON HEATING & AIR CONDITIONING (THE CEU AUTHORITY)
URBANDALE, IA 50322
(515) 729-4745
DES MOINES HEATING AND COOLING (CEU AUTHORITY)
DES MOINES, IA 50315
(515) 282-7086
Direct Heating and Air LLC (ABC)
Altoona, IA 50009
(515) 946-6558
DOCs Plumbing & Heating LLC (CEU)
Griswold, IA 51535
(515) 333-1293
DORRIAN HEATING AND COOLING, INC. (ABC)
WAUKEE, IA 50263
(515) 987-4310
DUITSMAN PLUMBING AND HEATING LLC (THE CEU AUTHORITY)
ESTHERVILLE, IA 51334
(712) 362-3776
Duncan Heating & Plumbing (CEU)
Boone, IA 50036
(515) 432-6762
Edwards Plumbing & Heating (PHCC)
Vinton, IA 52349
Ehlen Plumbing & Heating Inc (PHCC)
Belle Plaine, IA 52208
EHLEN PLUMBING & HEATING, INC.
BELLE PLAINE, IA 52208
Ethington Heating & Cooling (ABC)
Marshalltown, IA 50158
(515) 985-1177
EXCEL PLUMBING & HEATING LLC (CEU AUTHORITY)
ESTERVILLE, IA 51334
(712) 209-2023
EXIRA PLUMBING, HEATING, AND ELECTRICAL, LLC (THE CEU AUTHORITY)
EXIRA, IA 50076
(712) 268-5367
Family Heating & Cooling
Davenport, IA 52807
FEREDAY HEATING COMPANY
WATERLOO, IA 50703
Fiedler HVAC (PHCC)
Libertyville, IA 52567
Four Seasons Geothermal Heating and Cooling
Dubuque, IA 52003
Fred's Plumbing and Heating (PHCC)
Hospers, IA 51238
FREDERICKSBURG PLUMBING & HEATING
FREDERICKSBURG, IA 50630
Freiburger Heating and Cooling (PHCC)
Dubuque, IA 52002
GARY HINDERAKER PLUMBING, HEATING, A/C
WAVERLY, IA 50677
German Plumbing Heating & Cooling (ABC)
Grinnell, IA 50112
(515) 985-1177
GLOBAL HEATING AND AC (THE CEU AUTHORITY)
CEDAR RAPIDS, IA 52402
(319) 538-7536
GOLDEN RULE PLUMBING, HEATING, COOLING & ELECTRICAL
GRIMES, IA 50111
Gordon & Zanela Plumbing, Heating & Air LLC (CEU)
Sheldon, IA 51201
(712) 348-2097
Graber Heating & Air Conditioning Inc (PHCC)
Kalona, IA 52247
HABERL PLUMBING & HEATING, INC.
CARROLL, IA 51401
HANSONS HEATING AND COOLING
WATERLOO, IA 50703
Harris Boyz Heating and Air Conditioning, LLC
Washington, IA 52353
HEARTLAND HEATING & COOLING (THE CEU AUTHORITY)
GRIMES, IA 50111
(515) 986-5007
High Quality Heating and Air (ABC)
Durant, IA 52747
(515) 985-1177
HINDMAN & PERSON HEATING AND AC (THE CEU AUTHORITY)
OTTUMWA, IA 52501
(641) 682-3922
Holt Plumbing & Heating (PHCC)
West Des Moines, IA 50265
HONEST HEATING AND COOLING, INC. (CEU AUTHORITY)
ALBION, IA 50005
(641) 753-3524
Housers Air Conditioning and Heating Service
Glenwood, IA 51534
HULL PLUMBING & HEATING, INC.
BOONE, IA 50036
I FAMILY HVAC INC (CEU AUTHORITY)
SPIRIT LAKE, IA 51360
(712) 336-2175
IOWA ALL PRO HEATING & COOLING LLC (THE CEU AUTHORITY)
DES MOINES, IA 50320
(515) 550-4822
Iowa Pipe Trades and HVAC Training Institute
DES MOINES, IA 50321
(515) 244-1346
Iowa's All Season Heating & Cooling (PHCC)
Waukee, IA 50263
J & S Plumbing Heating & Air Conditioning (PHCC)
Kalona, IA 52247
JASON SMITH PLUMBING, HEATING AND COOLING (CEU AUTHORITY)
MT PLEASANT, IA 52641
(319) 986-6957
Jensen Heating & Air Conditioning (PHCC)
Grinnell, IA 50112
JERNS HEATING AND AIR (THE CEU AUTHORITY)
West Burlington, IA 52655
(319) 754-4085
Johansen Marts Plumbing & Heating (CEU)
Chariton, IA 50049
(641) 203-9160
JOHN GOWING PLUMBING AND HEATING INC.
SHENANDOAH, IA 51601
John's Heating & Air Conditioning Services LLC (PHCC)
Stanton, IA 51573
JOHNSON PLUMBING, HEATING & COOLING
INDEPENDENCE, IA 50644
JOHNSON PROPANE HEATING & COOLING (THE CEU AUTHORITY)
BATTLE CREEK, IA 51006
(712) 365-4740
JOHNSON'S HEAT, A/C & REFRIGERATION INC. (ABC)
OSKALOOSA, IA 52577
(641) 673-0888
JONES HEATING COOLING PLUMBING (THE CEU AUTHORITY)
Emmetsburg, IA 50536
(712) 298-2250
JP Plumbing & Heating (PHCC)
Marion, IA 52302
Kelly Heating & Air (PHCC)
Iowa City, IA 52246
Kiers Plumbing & Heating, LLC. (CEU)
Hull, IA 51239
(712) 441-7174
KINSETH PLUMBING AND HEATING (ABC)
BELMOND, IA 50421
(641) 444-4428
KRUCK PLUMBING & HEATING CO., INC. (ABC)
BOONE, IA 50036
(515) 432-2210
Kuenster Heating & Air (PHCC)
Kalona, IA 52247
LAKEPORT HEATING AND COOLING (CEU AUTHORITY)
SLOAN, IA 51055
(712) 635-2063
Lane Plumbing & Heating Inc (PHCC)
Mount Union, IA 52644
LARSEN PLUMBING & HEATING, INC. (ABC)
Fertile, IA 50434
(641) 797-2219
LE HVAC
CLARKSVILLE, IA 50619
Leets Refrigeration, LLC (PHCC)
West Des Moines, IA 50266
(515) 282-9192
LEKWA HEATING AND COOLING (THE CEU AUTHORITY)
STORY CITY, IA 50248
(515) 460-1884
LEON PLUMBING & HEATING (The CEU Authority)
Leon, IA 50411
(641) 572-0990
LINCOLN HEATING AND COOLING
TRAER, IA 50675
Lins Heating and AC (PHCC)
Cedar Rapids, IA 52404
LOA HVAC SERVICES (ABC)
Des Moines, IA 50312
(515) 778-4748
Loftus Heating and Air Conditioning
Logan, IA 51546
LOZIER HEATING AND COOLING (ABC)
WEST DES MOINES, IA 50265
(515) 267-1000
LYNCH HEATING AND PLUMBING
DAVENPORT, IA 52803
LYNCH HEATING AND PLUMBING (CEU AUTHORITY)
DAVENPORT, IA 52806
(563) 209-0039
Lynn Furnace Heating & Cooling
Shenandoah, IA 51601
Marv Smith Electric, Plumbing & Heating LLC (PHCC)
Fort Atkinson, IA 52144
Master Plumbing, Heating & Cooling (PHCC)
Cedar Rapids, IA 52402
MCCOY PLUMBING AND HEATING (THE CEU AUTHORITY)
OLDS, IA 52647
(319) 254-2221
Metro Heating & Cooling, Inc. (CEU)
DES MOINES, IA 50317
(515) 266-3693
MIC'S PLUMBING AND HEATING INC.
NEW HAMPTON, IA 50659
MICK GAGE PLUMBING & HEATING INC.
NEW HAMPTON, IA 50659
MILLER PLUMBING HEATING & ELECTRIC (ABC)
Menlo, IA 50164
(641) 524-2161
MINCKS HEATING AND AC (CEU)
BLOOMFIELD, IA 52537
(641) 664-3566
Missouri Valley Sheet Metal, Inc. (CEU)
Logan, IA 51546
(402) 499-7262
Modern Heating Inc. (CEU)
Cherokee, IA 51012
(712) 225-3844
Monti Plumbing Heating & Electrical (PHCC)
Monticello, IA 52310
Mooney Heating & Cooling Inc (PHCC)
Marion, IA 52302
Mort's Plumbing & Heating (PHCC)
Iowa Falls, IA 50126
MRACEK PLUMBING HEATING ELECTRIC LLC
WAUCOMA, IA 52171
Mulford Plumbing & Heating (PHCC)
Coralville, IA 52241
Muller Plumbing & Heating (PHCC)
Iowa City, IA 52246
Nally Plumbing & Heating (The CEU Authority)
Braddyville, IA 51631
(712) 870-5267
NEXT GENERATION PLUMBING AND HEATING (CEU AUTHORITY)
MONTICELLO, IA 52310
NORTHWAY'S HEATING & COOLING (CEU AUTHORITY)
DES MOINES, IA 50315
(515) 202-8586
O'Neill Plumbing & Heating, LLC (PHCC)
Waukon, IA 52172
Obsidian Heating and Cooling (CEU)
Ankeny, IA 50023
(515) 599-8488
Okoboji Plumbing & Heating, Inc. (CEU)
Arnolds Park, IA 51331
(515) 333-1293
Olson Plumbing & Heating Inc (THE CEU AUTHORITY)
Paton, IA 50217
(515) 968-4327
Orr Heating & Air (CEU)
Creston, IA 50801
(515) 333-1293
PAGE HEATING & AIR, INC.
TRIPOLI, IA 50676
Pickar-Oulman Plumbing, Heating & Electric, Inc.
RICEVILLE, IA 50466
(641) 985-2701
Pinnacle Heating & Cooling
Sioux City, IA 51103
(712) 389-0008
Plumbing Heating Cooling Contractors of Iowa (PHCC)
West Des Moines, IA 50266
Plumbing • Heating • Cooling Contractors of Iowa
West Des Moines, IA 50266
(515) 282-8192
Plumbing • Heating • Cooling Contractors of Iowa (PHCC)
West Des Moines, IA 50266
(515) 282-8192
POLK COUNTY HEATING AND COOLING, INC.(ABC)
POLK CITY, IA 50226
(515) 984-6276
POPPE PLUMBING AND HEATING, LLC
WAVERLY, IA 50677
POTS PLUMBING AND HEATING (THE CEU AUTHORITY)
ACKLEY, IA 50601
(641) 847-2279
PRECISION PLUMBING, HEATING & COOLING (THE CEU AUTHORITY)
Centerville, IA 52544
(515) 918-7079
PRECISION PLUMBING, HEATING AND AIR
INDEPENDENCE, IA 50644
Prins Plumbing & Heating Inc. (CEU)
Hartley, IA 51346
(515) 333-1293
R3 Heating & Air (CEU)
Davenport, IA 52802
(515) 333-1293
REEVES HEATING AND COOLING INC. (ABC)
NEWTON, IA 50208
(641) 787-7567
Reliable 1 Heating Air Conditioning and Plumbing (PHCC)
Iowa Falls, IA 50126
RIVER CITIES HEATING, AIR CONDITIONING AND REFRIGERATION (CEU AUTHORITY)
SABULA, IA 52070
(563) 212-4446
RJS Plumbing & Heating, Inc. (CEU)
CORNING, IA 50841
(515) 333-1293
ROBERTS HEATING, COOLING AND PLUMBING (ABC)
Carlisle, IA 50047
(515) 989-0106
Rock Valley Plumbing Heating & A/C Inc
Rock Valley, IA 51247
S & R HEATING AND COOLING, INC. (CEU AUTHORITY)
LUXEMBURG, IA 52056
(563) 599-1647
S & S PLUMBING, HEATING & A/C (ABC)
MARENGO, IA 52301
(319) 642-5259
SABRE PLUMBING, HEATING AND AIR OF DES MOINES
ANKENY, IA 50023
SANDEGRENS HEATING & AIR CONDITIONING
Ottumwa, IA 52501
(641) 680-1033
Sawhill HVAC, LLC (ABC)
Ankeny, IA 50021
(515) 985-1177
Schaal Heating and Cooling
Des Moines, IA 50313
(515) 288-3631
Schuman Heating and Air (PHCC)
Earlville, IA 52041
SCHUSTER HEATING & PUMP CO., INC. (ABC)
Peosta, IA 52068
(563) 582-2148
SGR Plumbing and Heating Inc (PHCC)
Monticello, IA 52310
Shaffer Plumbing and Heating, LLC (CEU)
Anamosa, IA 52205
(515) 333-1293
Sloan Plumbing and Heating and A/C (CEU)
Jefferson, IA 50129
(515) 386-8297
SMITH HEATING & PLUMBING, INC.
WIOTA, IA 50274
(712) 250-0245
Snyder Plumbing, Cooling, and Heating, LLC (CEU)
Stockport, IA 52651
(319) 796-4419
SOPER PLUMBING AND HEATING, INC.
WYOMING, IA 52362
Southern Iowa Heating & Cooling (PHCC)
Centerville, IA 52544
SP HEATING AND COOLING (THE CEU AUTHORITY)
SHELDON, IA 51201
(712) 324-3251
Spartan Heating Cooling and Fireplaces (PHCC)
Cedar Rapids, IA 52403
STEIN HEATING & COOLING INC (CEU AUTHORITY)
WEBSTER CITY, IA 50595
(515) 832-2333
SUTHERS HEATING AND ELECTRIC
WILTON, IA 52778
Taft Plumbing Heating Cooling (PHCC)
Mount Pleasant, IA 52641
THE PLUMBING AND HEATING SHOP
SUMNER, IA 50674
TOM'S PLUMBING AND HEATING, LLC (CEU AUTHORITY)
ARNOLDS PARK, IA 51331
(712) 332-2426
Tony's Plumbing & Heating
CEDAR FALLS, IA 50613
(319) 277-2750
TRITON PLUMBING, HEATING & AIR CONDITIONING, INC.
DAVENPORT, IA 52804
True Comfort Heating and Cooling (PHCC)
Des Moines, IA 50313
Uthe Plumbing, Heating, & Electrical (PHCC)
West Des Moines, IA 50266
(515) 282-8192
Showing first 200 of 213. Use the state page search for the full list.
Source: DOL OA Partner Sponsors CSV · retrieved October 25, 2026.