IGSHPA Accredited Installers

Admirals Bank

15 Park Row West, Providence, RI, United States

A & B Cooling & Heating Corporation

660 Nutmeg Road North, South Windsor, CT 06074, United States

ABLEnvironmental

Point Pleasant, NJ, United States

AC Connection, Inc.

1375 Central Avenue, Santa Rosa, CA, United States

Access Geothermal

140 Wright Road, Hollis, NH, United States

Advanced Custom Geothermal

Kiel, WI, United States

Air Products Supply

3224 e East 1-240 Service Road, Oklahoma City, OK, United States

Albany Heating A/C & Service, Inc.

19274 Red Oak Circle, Avon, MN, United States

Alderson Engineering, Inc.

407 Lakeside Drive, Southampton, PA, United States

Allied Geothermal of Jacksonville

1901 1st Street North, Jacksonville Beach, FL, United States

Altren Consulting & Construction

Rifton, NY, United States

Andrews, Hammock & Powell, Inc.

250 Charter Lane, Macon, GA, United States

Area Mechanical

821 1st Avenue, Rockford, IL, United States

AWEB Supply

7350 Tom Drive, Baton Rouge, LA, United States

Aztech Geothermal

5 McCrea Hill Road, Ballston Spa, NY, United States

Baxter Comfort Solutions

120 South Main Street, Baxter, IA, USA

Bill Spade Electric Heating & Cooling

7181 Wesselman Road, Cleves, OH 45002, United States

Bill Wenzel Heating & Air Conditioning, Inc.

16 Broadway, Amherst, NH, USA

Bob Lawrence & Associates, Inc.

345 South Patrick Street, Alexandria, VA 22314, United States

Bowman Mechanical Services, Inc.

145 Technical Court, Garner, NC, United States

Brandywine Valley Heating and Air Conditioning

917 Old Fern Hill Road, West Chester, PA, United States

Bratcher Heating & Air Conditioning

1210 Fort Jesse Rd, Normal, IL, United States

Brown Heating & Air Conditioning, Inc.

633 South Main Street, Deerfield, WI, United States

C. Albert Matthews, Inc.

500 South Street, Easton, MD, United States

Can-America Drilling, Inc.

708 Cheyenne Avenue, Simla, CO, United States

Cappy Heating & Air Conditioning, Inc.

12551 Globe Street, Livonia, MI, United States

Carolina Heating Service, Inc.

1326 Piedmont Hwy, Piedmont, SC, United States

Central Valley Mechanical

190 South Main Street, Nephi, UT, United States

Century Mechanical Contractors, Inc.

3008 Wichita Court, Fort Worth, TX, United States

Climate Control Heating and Cooling

102 Middle Street, Jacksonville, NC, United States

Comac Pump and Well LLC

13 New Boston Rd, Kingston, NH, United States

Comfortworks, Inc.

3826 Newcastle Rd, Oklahoma City, OK, USA

Continental Services

2192 Solomons Island Rd S, Prince Frederick, MD, United States

Crystal Air

1761 Main Street, Weaverville, CA, United States

Durbin Geothermal

200 Jefferson St, Beecher City, IL, United States

Dynatemp, Inc.

12059 Tech Road, Silver Spring, MD, United States

Eagle Drilling Services LLC

7150 Placid Street, Las Vegas, NV, United States

Earth Energy & Water Systems

3890 Judson St, New Salem, ND, United States

Earth Power Geothermal

2129 FM 2920, Spring, TX, United States

Earth River Geothermal, Inc.

1202 West Street, Annapolis, MD, United States

EarthMint, Inc.

25 Fieldstone Drive, Easton, CT, United States

EarthSmart Energy

11 Ashton Ct, South Elgin, IL, United States

Easterday Well & Pump Inc.

9265 Brown Church Rd, Mount Airy, MD, United States

ECS Geothermal

209 Richardson Street, Smithville, MO, United States

ELCO Geothermal

311 Perry Road, Bangor, ME, United States

Encon Heating and Air Conditioning

1265 Woodend Road, Stratford, CT, United States

Energy Design Corp

1912 Kadima Circle, Fort Walton Beach, FL, United States

Energy Dynamics, Inc.

121 W Hoyt St, Carthage, SD, United States

EnLink Geoenergy

2630 Homestead Place, Rancho Dominguez, CA, United States

Evangelist Service Company

1117 Batchelor Road, Apex, NC, United States

Ewbank and Associates LLC

121 E Broadway, Fairview, OK, United States

Federal Heating & Cooling, Inc.

3835 Raiders Rd, Dresden, OH, United States

Flock's Heating & Air Conditioning Inc.

27551 County Highway U, Cashton, WI, United States

Foley Mechanical, Inc.

11 Broad Street, Medford, NJ, United States

Freier's Electric & Heating

240 N Broadway St, Ellsworth, WI, United States

Gary P. Frank Heating & Cooling

8918 Ridge Place, Bethesda, MD, United States

Geo Loop Contractors, Inc.

3074 Brown Drive, Hampton, GA, United States

GEO Source Systems LLC

21 South End Plaza, New Milford, CT, United States

Geo-Enterprises

2640 Hwy 167, Catoosa, OK, United States

GeoPro, Inc.

Elkton, SD, United States

Georgia Air Contractors

813 Main Street, Atlanta, GA, United States

Geosaves, Inc.

6115 Northbelt Drive, Norcross, GA, United States

GeoSystems LLC

5444 Chandley Farm Circle, Centreville, VA, United States

Geothermal USA

15 Dr Braley Rd, Rochester, MA, United States

GeothermalXPerts

5303 Glenmont Drive, Houston, TX, United States

GHP Systems

1000 32nd Avenue, Brookings, SD, United States

Green Earth Energy & Environmental

2370 State Highway 89A, Sedona, AZ, United States

Greensleeves LLC

1995 Tiffin Avenue, Findlay, OH, United States

Ground Loop Heating and Air Conditioning, Inc.

1701-a Whiteford Road, Darlington, MD, United States

H.A. Manosh Corporation

120 Northgate Avenue, Morrisville, VT, United States

Harvey W. Hottel, Inc.

18900-a Woodfield Road, Gaithersburg, MD, United States

Henry Drilling LLC

1401 Adams Street, Franklin, TN, United States

Hinrichsen Heating & Air Conditioning, Inc.

225 Eureka Street, Goodfield, IL, United States

Hollaway-Meyers Inc.

950 165th Street, Hammond, IN, United States

Hydro Dynamic Engineering LLC

547 Shuttle Meadow Road, Southington, CT, United States

Iba Drilling Company, Inc.

Glendive, MT, United States

Image Engineering Group Ltd

635 Westport Pkwy, Grapevine, TX, United States

Indoor Environmental Solutions, Inc.

4219 Lexington Avenue, Jacksonville, FL, United States

Jackson Geothermal HVAC and Drilling LLC

608 Nolan Avenue, Morrisville, PA, United States

Jensen Well Company, Inc.

767 Iowa Street, Blair, NE, United States

John Geyer & Associates, Inc.

5910 Northeast 82nd Avenue, Vancouver, WA, United States

Kocher's Water Pumps & Tanks, Inc.

2786 West Beersville Road, Bath, PA, United States

L.O. Lynch Quality Wells & Pumps, Inc

856 West 7th Street, San Jacinto, CA, United States

Maevelle Energy

11921 Freedom Drive Two Fountain Square Suite 550, Reston, VA

Major Geothermal

6285 West 48th Avenue, Wheat Ridge, CO, United States

Martin Energetics

220 Miller Road, Quincy, CA, United States

Meline Engineering Corporation

9343 Tech Center Drive, Sacramento, CA, United States

Midwest Geothermal LLC

4546 Roger B Chaffee Boulevard Southeast, Grand Rapids, MI, United States

Minnicks Heating and Air Conditioning

5200 Minnick Road, Laurel, MD, United States

North American GeoThermal

11530 Valley Road, Fairfax, VA, United States

Northern GroundSource, Inc.

1558 Stone Lake Bridge Road, Brimson, MN, United States

Nutmeg Mechanical Services, Inc.

130-3 Utopia Road, Manchester, CT, United States

On-Site Energy

6228 Quander Rd, Alexandria, VA, United States

Optimal Energy LLC

2910 North Arlington Heights Road, Arlington Heights, IL, United States

Palace GeoThermal

5673 Gold Stone Drive, South Jordan, UT, United States

Parrish Services

7865 Coppermine Drive, Manassas, VA, United States

Perfect Temp, Inc.

2387 West 8th Street, Loveland, CO, United States

Perfection Contracting

1 Camre Drive, Newton, NJ, United States

R & R Heating & Air Conditioning, Inc

4019 East Central Avenue, Spokane, WA, United States

R.A. Simmons Drilling Company, Inc.

60 Drill Rig Drive, Buchanan, VA, United States

Raul E. Mena HVAC, Inc.

2915 Holiday Drive, New Orleans, LA, United States

Reith Brothers, Inc.

5719 Emmaus Rd, Emmaus, PA, United States

Renewable Energy Resources

1240 North West Beaman Street, Mountain Home, ID, United States

Richardson Wells & Pumps

314 Chestnut Street, Uxbridge, MA, United States

Ridge Heating & Air Conditioning, Inc.

1319 St Andrews Blvd, Panama City, FL, United States

Rorrer Well Drilling, Inc.

560 Depot Street Northeast, Christiansburg, VA, United States

RYAN Electrical - Plumbing - Heating - Cooling

741 Lehigh Avenue, Union, NJ, United States

S.J. Eaton Plumbing & Heating

485 Penns Drive, Selinsgrove, PA, United States

Schuster Heating & Pump Co., Inc.

15674 Key City Lane, Peosta, IA, United States

Scott Horseman Heating and Air Conditioning, Inc.

8580 Brookneal Highway, Gladys, VA

Seward Mechanical Systems

801 Main Street, Louisville, CO, United States

Simmons Heating & Air Conditioning Corp.

23906 Mervell Dean Road, Hollywood, MD, United States

SMC Geothermal

17219 East Easter Avenue, Foxfield, CO, United States

Somerset Well Drilling Co. Inc.

30170 Ritzel Road, Westover, MD 21871, United States

Sound Geothermal

3962 Alpine Valley Circle, Sandy, UT, United States

Southeast Geothermal, Inc.

1442 Blue Ridge Hwy, Blairsville, GA, United States

Southern Geothermal, Inc.

6056 Rousseau Creek Rd, Thomson, GA, United States

Southwest Mechanical Services

San Antonio, TX, United States

Strandlund Refrigeration Heating and Cooling

1896 Hwy 65, Mora, MN, United States

Strategic Energy Solutions, Inc.

4000 West Eleven Mile Road, Berkley, MI, United States

The Geo Group

1 West Main Street, Goshen, NY, USA

The Hole Deal, Inc.

223 Eureka St, Goodfield, IL, United States

Total Energy Concepts, Inc.

6000 NE 88th St, Vancouver, WA, United States

Ultra Geothermal, Inc.

130 Old Concord Turnpike, Barrington, NH, United States

UMR Geothermal

5115 Industrial Street, Maple Plain, MN, United States

Virginia Energy Services

2350 Lanier Road, Rockville, VA, United States

Water Energy Distributors, Inc.

2 Starwood Drive, Hampstead, NH, United States

Watervale Geothermal

2116 Watervale Road, Fallston, MD, United States

WellSpring Geothermal

161 Mountain Road, Nottingham, NH, United States

Western Hills Heating & Air Conditioning, Inc.

232 Harrison Brookville Road, West Harrison, IN, United States

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