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360 Energy Group, LLC
8770 W Bryn Mawr Ave
STE 1300
Chicago, IL 60631
Phone: 312-265-3971
Phone (alternate): 800-401-0360
Fax: 312-264-0657

Designer/Engineer/Architect


Website: http://www.360eg.com
A Polar Bear Air, LLC
1210 Bloods Point Rd
Cherry Valley, IL 61016
Phone: 815-544-5424

Installing Contractor

Installer Service Tech 
Website: http://www.apolarbearair.com
AAA Northgate Inc.
719 Sabrina Dr.
East Peoria, IL 61611
Phone: 309-686-1786
Phone (alternate): 8564700364
Fax: 309-686-2024

Installing Contractor


Website: http://www.aaanorthgate.com
Advanced Geothermal Plumbing & Heating LLC
326 Wilcox Ave
Elgin, IL 60123
Phone: 847-695-1657
Fax: 847-628-9511

Installing Contractor

Looper 
Website: http://www.advancedgeothermal.com
Air-ease Heating & Cooling
17390 Brennan Hwy.
Tinley Park, IL 60477
Phone: 708-429-6550
Fax: 708-429-6553

Installing Contractor


Website: http://www.air-ease.com/
Architectural Consulting Engineers
837 Hayes Ave
Oak Park, IL 60302
Phone: 708-524-0272

Designer/Engineer/Architect


Website: http://www.ace-oakpark.com
Area Mechanical
821 1st Ave
Rockford, IL 61104
Phone: 815-964-2070
Fax: 815-964-2071

Mechanical Contractor


Website: http://www.areamechanical.com
Bradley University
1501 W Bradley Ave.
Peoria, IL 61625
Phone: 3096772780

Educational (non-voting)


Website: http://www.bradley.edu/
Bradley University, Peoria,IL
3408, Horse Creek Rd
Normal, IL 61761
Phone: 3182378135
Phone (alternate): 3182378135

Educational (non-voting)

Bratcher Heating And Air Conditioning
1210 Fort Jesse Rd
Normal, IL 61761
Phone: 309-454-1611
Fax: 309-862-0104

Installing Contractor

Installer Looper Service Tech 
Website: http://www.BratcherComfort.com
Bratcher Heating And Air Conditioning
2802 B Hundman Dr
Champaign, IL 61826
Phone: 217-378-HEAT

Installing Contractor

Installer Looper Service Tech 
Website: http://www.BratcherComfort.com
C&E Heating & Air Conditioning, Inc.
2701 S. Main St.
Bloomington, IL 61704
Phone: 309-828-1422

Installing Contractor


Website: http://www.candehvac.com
Central Heating & A/C
#1 Robin Ln
Pekin, IL 61554
Phone: 309-346-6100
Fax: 866-346-5510

Drilling Contractor/Loop Installer, Installing Contractor

Looper 
Website: http://www.centralheatingair.com
Chicagoland Geothermal
312 Van Damin Ave.
Glen Ellyn, IL 60137
Phone: 630-400-9012
Phone (alternate): 630-893-2222

Drilling Contractor/Loop Installer, Installing Contractor


Website: http://www.chicagolandgeothermal.com
Clay Electric Co-operative
PO Box 517
Flora, IL 62839
Phone: 618-662-2171
Fax: 618-662-9511

Coop/Municipal Utility - Sm (< 5000 meters)


Website: http://www.ceci.coop
Clinton County Electric Cooperative
475 N Main St
PO Box 40
Breese, IL 62230
Phone: 618-526-7282
Fax: 618-526-4561

Coop/Municipal Utility - Sm (< 5000 meters)


Website: http://www.cceci.com
CM Engineering, Inc.
2801 Woodard Dr, Ste 105
Columbia, MO 65202
Phone: 573-874-9455
Fax: 573-874-9474

Designer/Engineer/Architect


Website: http://www.cmeng.com
College Of DuPage HVACR Program
425 22nd St
Glen Ellyn, IL 60137
Phone: 630-942-3068

Educational (non-voting)

Collins Plumbing, Heating & Cooling, Inc.
1023 W Dorlan Ave, Ste A
Springfield, IL 62702
Phone: 217-793-8031
Fax: 217793-8033

Mechanical Contractor

Complete Home Comfort
359 N CR 410E
Arthur, IL 61911
Phone: 217.714.4148
Phone (alternate): 309.574.0622

Associate

Corn Belt Energy
One Energy Way
Bloomington, IL 61705
Phone: 309-662-5330

Coop/Municipal Utility - Lg

CWLP
1008 E Miller St
Springfield, IL 62702
Phone: 217-789-2070
Fax: 217-789-2210

Coop/Municipal Utility - Lg


Website: http://www.cwlp.com
D&C Heating And Cooling
603 N Market St.
Marion, IL 62959
Phone: 618-997-6577

Installing Contractor


Website: http://www.dc-heatingandcooling.com
Don - Martin Heating And Cooling Inc.
3500 N Newville Rd
Janesville, WI 53545
Phone: 608-758-9882
Phone (alternate): 608-295-8269
Fax: 608-758-9842

Installing Contractor

Installer Service Tech 
Website: http://don-martinhvac.com
Dougs Heating And Air Conditioning
4307 49th Ave
Moline, IL 61265
Phone: 309-764-2500
Phone (alternate): 309-373-2195
Fax: 309-736-9266

Mechanical Contractor


Website: http://www.dougsheatingandairconditioning.com
Duden & Silver Inc
103 N Main St
Gifford, IL 61847
Phone: 217-568-7954
Fax: 217-568-7305

Installing Contractor

Durbin Geothermal
PO Box 68
Beecher City, IL 62414
Phone: 618-487-5402
Fax: 618-487-5037

Drilling Contractor/Loop Installer

Looper 
Website: http://www.letsdig.com
Eastern Illini Electric Coop
330 W Ottawa St
Paxton, IL 60957
Phone: 800-824-5102
Phone (alternate): 217-379-0446
Fax: 217-379-2936

Coop/Municipal Utility - Lg


Website: http://www.eiec.coop
Eastern Iowa Geothermal, Inc.
3125 190th Street
Ainsworth, IA 52201
Phone: 319-657-3266
Phone (alternate): 319-538-7278
Fax: 8552355073

Drilling Contractor/Loop Installer

Edgar County Public Health Department
502 Shaw Ave
Paris, IL 61944
Phone: 217-465-2212
Phone (alternate): 217-465-2212
Fax: 217-465-1121

Educational (non-voting)

Element Energy Consulting
108 S Seminary Ave
Park Ridge, IL 60068
Phone: 312-405-8401

Designer/Engineer/Architect


Website: http://www.element-co.com
Elite Heating And Cooling LLC
890 Sommerset
Carol Stream, IL 60188
Phone: 630-462-9082
Fax: 630-365-1189

Installing Contractor

Enertech Global
2506 W Elm St
Greenville, IL 62246
Phone: 888-436-3783
Fax: 618-664-4597

Manufacturer

Ernst Heating & Cooling
202 W State St
Hamel, IL 62046
Phone: 618-633-2244
Phone (alternate): 618-633-2848
Fax: 618-633-2442

Installing Contractor


Website: http://www.ernstheating.com
FB Reeder Corp
408 Front St.
Clinton, WI 53525
Phone: 608-676-4882
Fax: 608-676-4979

Installing Contractor


Website: http://www.fbreeder.com
G.O. Loop
W11366 Blanecae Rd.
Randolph, WI 53956
Phone: 920-326-2050
Fax: 920-326-2051

Drilling Contractor/Loop Installer

Design Module 
Website: http://www.goloopwi.com
Garber Heating & Air Conditioning
310 Detroit Ave
Morton, IL 61550
Phone: 309-696-2862
Phone (alternate): 309-266-9372
Fax: 309-266-0742

Mechanical Contractor


Website: http://www.garberheating.com
GEO Exchange Corp.
720 Country Club Rd.
FAIRVIEW , TX 75069
Phone: 214-289-1260

Friend of the Industry (non-voting)

Geothermal Eco Options, Inc
407 2nd Ave., SW
Cresco, IA 52136
Phone: 563-382-0300
Fax: 563-382-0305

Drilling Contractor/Loop Installer

Looper 
Website: http://www.geo-inc.com
Geothermal Energy Solutions, Inc
3000 Dundee Rd, Ste 301
Northbrook, IL 60062
Phone: 847-586-0570
Phone (alternate): 847-275-6748
Fax: 847-423-6101

Installing Contractor


Website: http://www.geotsolutions.com
Grasser's Plumbing And Heating
404 W Main St
McNabb, IL 61335
Phone: 815-882-2111
Phone (alternate): 815-882-2111
Fax: 815-882-2157

Installing Contractor


Website: http://www.grassersplumbing.com
Great Lakes Geothermal
1151 Atlantic Dr, Ste 4
West Chicago, IL 60185
Phone: 630-231-5685

Drilling Contractor/Loop Installer

Looper 
Website: http://www.greatlakesgeothermal.com
GVS Contracting
87 Bynum Rd
Ozark, IL 62972
Phone: 618-924-0429
Phone (alternate): 618-551-2852

Drilling Contractor/Loop Installer

Hanson Professional Services
1525 S Sixth St
Springfield, IL 62703
Phone: 217-747-9215
Fax: 217-788-2503

Designer/Engineer/Architect


Website: http://www.hanson-inc.com
Hardesty Heating & Cooling, Inc
410 W Bicentennial Dr
Leroy , IL 61770
Phone: 309-962-4328
Fax: 309-962-5093

Mechanical Contractor

Harriss Geothermal Drilling
203 Eastlawn St
New Athens, IL 62264
Phone: 618-475-0007
Phone (alternate): 618-806-5870
Fax: 618-475-0007

Drilling Contractor/Loop Installer

Looper 
Website: http://www.harrissgeothermal.com
Hinrichsen Heating And Air Conditioning
255 N Eureka St
Goodfield, IL 61742
Phone: 309-965-2604

Installing Contractor


Website: http://www.hinrichsenheating.com
Hollaway-Meyer's Inc
950 165th St
Hammond, IN 46324
Phone: 219-932-2171
Phone (alternate): 708-895-8226
Fax: 219-932-3334

Drilling Contractor/Loop Installer, Mechanical Contractor

Installer Looper Service Tech 
Website: http://www.stopburninggas.com
Houston Plumbing Heating Cooling
111 N Market St
Paxton, IL 60957
Phone: 217-379-2329
Fax: 217-379-2166

Installing Contractor


Website: http://www.houstonsplumbing.com
Hoveln Heating And Cooling, Inc
903 N Church St
PO Box 596
Thomasboro, IL 61878
Phone: 217-643-2125
Fax: 217-643-2128

Installing Contractor


Website: http://www.hoveln.com
Illinois Geothermal Engineering, Inc.
1803 Amber Ln

Urbana, IL 61802
Phone: 217-344-6154
Phone (alternate): 847-975-1935
Fax: 847-589-8565

Designer/Engineer/Architect

Illinois State University

Normal, IL 61761

Educational (non-voting)

Iroquois County Public Health Department
1001 E Grant St
Watseka, IL 60970
Phone: 815-432-2483
Fax: 815-432-2198

Friend of the Industry (non-voting)

J & R Herra, Inc
210 E. North St.
Elburn, IL 60119
Phone: 630-365-6266

Installing Contractor

Installer Service Tech 
Website: http://www.jrherrageothermal.com
Jansens Heating And Air
11984 E US Highway 40
Effingham, IL 62401
Phone: 217-347-5223
Fax: 217-342-3004

Installing Contractor


Website: http://www.jansensheating.com
Jo-Carroll Energy, Inc (NFP)
793 US Rte 20 West, PO Box 390
Elizabeth, IL 61028
Phone: 800-858-5522 ext. 1339
Fax: 815-858-2080

Coop/Municipal Utility - Lg


Website: http://www.jocarroll.com/
Kankakee Community College
100 College Dr, Office V-129
Kankakee, IL 60901
Phone: 815-802-8872
Phone (alternate): 8158028872
Fax: 815-802-8801

Educational (non-voting)


Website: http://www.kcc.edu
KCH Mechanical, Inc
15500 E State Hwy 33
Teutopolis, IL 62467
Phone: 217-347-5755
Fax: 217-347-5715

Installing Contractor

Looper 
Kickapoo Drilling Company LLC
405 W Main St
Downs, IL 61736
Phone: 309-378-4003
Phone (alternate): 309-378-4540
Fax: 309-378-4099

Drilling Contractor/Loop Installer


Website: http://www.kickapoodrilling.com
L & H Services Inc
1140 Dixie Hwy, Ste 4
Beecher, IL 60401
Phone: 708-946-2526
Phone (alternate): 888-946-2526
Fax: 708-946-9632

Installing Contractor

Installer Service Tech 
Website: http://www.lhserviceshvac.com
L&H Services
410 E. Crescent St.
Gilman, IL 60938
Phone: 815-265-9926
Phone (alternate): 708-768-4417
Fax: 708-946-9632

Installing Contractor

Installer Service Tech 
Website: http://www.lhserviceshvac.com
Lemanski Heating & A/C
1398 S Armstrong Ave
Freeport, IL 61032
Phone: 815-232-4519
Fax: 815-235-1444

Installing Contractor

Installer Service Tech 
Website: http://www.lemanskihvac.com
Little Heating And A/C Inc
25 West Cherry
25 W Cherry
Winchester, IL 62694
Phone: 217-742-3332
Fax: 217-742-8112

Installing Contractor

Loescher Heating And AC
1860 S Walnut Rd
Freeport, IL 61032
Phone: 815-232-6166

Mechanical Contractor


Website: http://www.loescherhvac.com
Masters Brothers
4109 Wicker Rd.
Bloomington, IL 61704
Phone: 309-661-0400
Fax: 309-661-0499

Installing Contractor


Website: http://www.mastersbros.com
MB Heating And Cooling, Inc
1001 E Miller St
Springfield, IL 62702
Phone: 217-544-4328

Installing Contractor


Website: http://www.mb-heating.com
McDonald Renewable Energy
413 N Walnut St
Itasca, IL 60143
Phone: 630-780-6928

Installing Contractor

Installer Service Tech 
Website: http://www.mcdonaldrenewableenergy.com
McDonough Power Cooperative
1210 W Jackson St, Box 352
Macomb, IL 61455
Phone: 309-833-2101

Coop/Municipal Utility - Lg


Website: http://www.mcdonoughpower.com
Meyer Climate Control
1220 SW Washington St
Peoria, IL 61602
Phone: 309-673-6355
Phone (alternate): 309-346-3401
Fax: 309-670-1144

Installing Contractor

Midwest Energy Efficiency Alliance
20 N Wacker Dr
Chicago, IL 60606
Phone: 312-587-8390

Friend of the Industry (non-voting)


Website: http://www.mwalliance.org
Monroe County Electric Cooperative
PO Box 128
Waterloo, IL 62298
Phone: 618-939-7171

Coop/Municipal Utility - Sm (< 5000 meters)

Mundelein High School
1350 W Hawley St
Mundelein, IL 60060
Phone: 847-949-2200
Phone (alternate): 847-456-1877
Fax: 847-949-0599

Educational (non-voting)


Website: http://www.d120.org
Neuhaus Heating & A/C, Inc
10235 S Old Rte 66
Litchfield, IL 62056
Phone: 217-324-2818
Fax: 217-324-2881

Installing Contractor

Looper 
Website: http://www.neuhaushvac.com
Optimal Energy LLC
507 W Golf Rd
Arlington Heights, IL 60005
Phone: 847-368-8484

Designer/Engineer/Architect

Plumbers And Pipefitters Local 501
1295 Butterfield Rd
Aurora, IL 60502
Phone: 630-692-7316
Phone (alternate): 630-692-7326
Fax: 630-978-9240

Educational (non-voting)


Website: http://www.ualocal501.org/
Popejoy Inc.
203 S. 10th St.
Fairbury, IL 61739
Phone: 815-692-4471
Fax: 815-692-4553

Installing Contractor


Website: http://www.popejoyinc.com
Pro Air Heating, Cooling, Electrical & Geothermal
106 Oak Creek Plaza
Bloomington, IL 61704
Phone: 309-452-3415
Fax: 309-829-0600

Installing Contractor

Looper 
Website: http://www.proairhvac.com
Professional Geothermal Systems
P.O. Box 12
3135 Green Bay Rd
Port Washington, WI 53074
Phone: 2626892557
Phone (alternate): 2626892557
Fax: 2626892557

Installing Contractor

R & H Plumbing, Heating & Electric
123 N Main
Altamont, IL 62411
Phone: 618-483-6159
Phone (alternate): 618-267-6159
Fax: 618-483-5403

Installing Contractor

Ridgeway Precision Mechanical Inc
280 W St Charles Rd
Villa Park, IL 60181
Phone: 630-279-4822
Fax: 630-279-4884

Installing Contractor

Installer Service Tech 
Website: http://www.RPMechanical
Rightnowar's Service Inc
76 CR 150 North
Belle Rive, IL 62801

Drilling Contractor/Loop Installer

Rock River Training Corporation
303 N. Main Street
Suite 200
Rockford, IL 61101
Phone: 815-847-7570
Phone (alternate): 815-847-7574
Fax: 815-966-2433

Educational (non-voting)


Website: http://www.rockrivertraining.org
Sams Well Drilling Inc
N9935 Pleasant Rd, Box 150
Randolph, WI 53956
Phone: 920-326-5193

Drilling Contractor/Loop Installer


Website: http://www.samswelldrilling.com
Scranton Heating & Cooling
868 975N Ave
Mt Sterling, IL 62353
Phone: 217-773-2626
Phone (alternate): 217-773-2751

Installing Contractor

Installer Service Tech 
Website: http://www.comfortman.com
Sheet Metal Workers' Local 265
205 Alexandra Way
Carol Stream, IL 60188
Phone: 630-668-0110
Fax: 630-668-2876

Educational (non-voting)


Website: http://www.smart265.org
Shelby Electric Cooperative
1355 Hwy 128, PO Box 560
Shelbyville, IL 62565
Phone: 217-774-3986
Phone (alternate): 217-774-3986

Coop/Municipal Utility - Lg


Website: http://www.shelbyelectric.coop
Sierra Club
RR 2, Box 3A
Harrisburg, IL 62045
Phone: 618-477-7882

Friend of the Industry (non-voting)

Sierra Club, Illinois Chapter
70 E Lake St, Ste 1500
Chicago, IL 60601
Phone: 312-251-1680
Fax: 312-251-1780

Friend of the Industry (non-voting)


Website: http://illinois.sierraclub.org
Snell Heating And Cooling
617 S Springfield
Virden, IL 62690
Phone: 217-965-3911

Installing Contractor

Looper 
Website: http://www.snellonline.com
Soil To Sun Of Central Illinois
229 N 1st Ave
Morton, IL 61550
Phone: 309-200-5010
Phone (alternate): 309-360-1011

Friend of the Industry (non-voting)


Website: http://www.soiltosun.com/309
Southwestern Electric Cooperative
525 US Rt 40, PO Box 549
Greenville, IL 62230
Phone: 618-664-1025

Coop/Municipal Utility - Lg


Website: http://www.sweci.com
Southwestern Illinois College
4950 Maryville Rd
Granite City, IL 62040
Phone: 618-797-7448
Fax: 618-797-1584

Educational (non-voting)


Website: http://www.swic.edu/hvacr/
Spoon River Mechanical Services
405 1/2 E Linn St

Canton, IL 61520
Phone: 309-647-2700
Fax: 309-647-7354

Installing Contractor

State Automatic Heating And Cooling
1335 Paramount Parkway
Batavia, IL 60510
Phone: 630-879-8600

Installing Contractor

Installer Service Tech 
Website: http://www.stateautomatic.com
Steidinger Brothers, Inc.
124 E. Locust Street
Fairbury, IL 61739
Phone: 815-692-2042
Fax: 815-692-4262

Installing Contractor


Website: http://www.steidingerbrothers.com
Stevens HVAC
301 S 7th
Quincy, IL 62301
Phone: 217-222-5220

Installing Contractor

Looper 
Sub-Surface Geothermal Inc,
1201 Carey Dr
McHenry, IL 60050
Phone: 847-815-1958
Phone (alternate): 815-363-0549
Fax: 815-363-7713

Drilling Contractor/Loop Installer


Website: http://subsurfacegeothermal.com
Synergy Heating & Cooling, Ltd
1272 Turret Dr
Machesney Park, IL 61115
Phone: 815-977-5826

Installing Contractor

Looper 
Website: http://http:/www.synergyhvac.com
The Habegger Corporation
2220 W Altorfer Dr
Peoria, IL 61615
Phone: 309-691-4328
Phone (alternate): 309-691-4900
Fax: 309-693-2665

Supplier/Distributor


Website: http://www.habeggercorp.com
The Hole Deal, Inc
PO Box 127
Goodfield, IL 61742
Phone: 309-222-5265

Drilling Contractor/Loop Installer

Looper 
Website: http://www.theholedealinc.com
Toennies Service Co
219 E Main St
Damiansville, IL 62215
Phone: 618-248-5130
Fax: 618-248-5812

Installing Contractor


Website: http://www.toenniesservice.com
Town & Country Services
220 La Salle St
Tonica, IL 61370
Phone: 815-442-3415
Phone (alternate): 815-481-1783

Installing Contractor

Installer 
Website: http://http:/www.towncountryservices.com
Tri County Irrigation & Plumbing, Inc
PO Box 290
Goodfield, IL 61742
Phone: 309-965-2057
Fax: 309-965-2376

Drilling Contractor/Loop Installer

Looper 
Website: http://www.tricountyirrigation.com
Tri-County Electric
PO Box 309
Mt Vernon, IL 62864
Phone: 618-244-5151

Coop/Municipal Utility - Lg


Website: http://www.tricountycoop.com
Unimin Corporation
258 Elm St
New Canaan, CT 6880
Phone: 203-966-8880
Phone (alternate): 203-442-2320
Fax: 203-972-1927

Supplier/Distributor


Website: http://www.unimin.com
Vermeer Midwest
120 E Martin Dr
Goodfield, IL 61742
Phone: 309-467-3716

Supplier/Distributor


Website: http://www.vermeermidwest.com
Wabash Valley Power
722 N High School Rd
Indianapolis, IN 46214
Phone: 317-481-2800

Coop/Municipal Utility - Lg


Website: http://www.wvpa.com
Wayne-White Counties Electric Cooperative
1501 W Main
Fairfield, IL 62837
Phone: 618-842-2196

Coop/Municipal Utility - Lg

Weidner Refrigeration, Inc
14450 Frazee Rd
Divernon, IL 62530
Phone: 217-628-3400

Installing Contractor

Installer Looper Service Tech 
Western Illinois Electrical Coop
Box 338
Carthage, IL 62321
Phone: 217-353-7312

Coop/Municipal Utility - Sm (< 5000 meters)

Wirth, Inc.
133 E Exchange St
Geneseo, IL 61254
Phone: 3099444612
Phone (alternate): 3099444612
Fax: 3099443507

Installing Contractor

Installer Looper Service Tech 
Website: http://www.wirthinc.com
Yard Heating And Cooling
100 S Spressor St
Taylorville, IL 62568
Phone: 217-824-4737

Installing Contractor

Zettle Heating And Air Conditioning Inc.
N4403 County Rd E
Brodhead, WI 53520
Phone: 608 897-8478
Fax: 608 897-3115

Installing Contractor


Website: http://www.zettleheating.com