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Radon Mitigation (Reduction)
Wisconsin Contractor Proficiency List

All external hyperlinks are provided for your information and for the benefit of the general public. The Department of Health Services does not testify to, sponsor, or endorse the accuracy of the information provided on externally linked pages.

There are no state regulations specifically for radon mitigation businesses in Wisconsin. The proficiency list below is combined from two national certifying organizations, whose websites carry the most up-to-date information:

To be listed by them, an individual must pass a national exam, meet continuing education requirements and follow radon mitigation standards. (For information on radon mitigation proficiency training to be held in Wisconsin, please contact the Radiation Protection Section, 608 267-4795 or the EPA regional radon training center, 800 843-8636.)

Being listed on this page does not constitute endorsement by the State of Wisconsin, or the Department of Health Services. The lists are provided as an additional resource for interested individuals.

Radon Mitigation Contractor Proficiency List -- Wisconsin
 (January 2012)

The certified individual from this list must show up at the job site, at least to supervise although they don't have to stay throughout the work. Ask the person answering a call to one of these if that will happen, and be sure it does. INSIST THAT YOUR SYSTEM MEET MITIGATION STANDARDS, to keep the radon as low as possible and minimize operating expenses.

The fan must be outside the basement and the exhaust stack must go up to the roof, - at least 10 feet above ground and 2 feet above any windows less than ten feet away. The exhaust is blowing out 50 cubic feet of air per minute with a radon concentration of several hundred pCi/L, possibly a thousand pCi/L.  If released at the sill of a house, some of this radon can enter the house through openings at the sill plate (where the basement sucks it in), and, at times, windows.  Studies have shown  the average indoor radon can be increased by one pCi/L or more by these effects.  In addition, experience by EPA contractors shows that the joints and couplings to radon fans tend to leak radon on the high pressure side, significantly reducing the effectiveness of mitigation systems with fans in basements.

For a list of mitigation system standards see the US EPA booklet Consumer's guide to Radon Reduction, p. 12, at the EPA Radon Website, or call a Wisconsin Regional Radon Information Center toll-free, 888-LOW-RADON.

This table is sorted by County name, then Name. Each contractor serves surrounding counties.
Print friendly version of Radon Mitigation Contractor List (PDF, 16.3 KB)

LAST, FIRST NAME - COMPANY-ADDRESS

CITY, STATE

COUNTY

PHONE

DOMAN, DANIEL
Doman Construction

Washburn,WI Bayfield (715) 209-6859

TRIMBERGER, JASON
Great Lakes Radon Testing & Mitigation LLC
(exit DHS)

Green Bay, WI Brown (920) 660-6324

DORN, JR., AL
Advanced Radon Services
(exit DHS)

Oneida, WI Brown (920) 619-2360

BROWN, JON D.
A to Z Home Inspection 

Chilton, WI Calumet (920) 366-0422

FERSTENOU, DENNIS
Chippewa Valley Radon Services

Chippewa Falls, WI Chippewa (715) 720-1226

HARTMAN, JEFFREY
WI Radon Measurement & Mitigation

Chippewa Falls, WI Chippewa (715) 559-0684

FRANCIS, CARL J.
Radon Measurement & Mitigation, Inc.
(exit DHS)

Columbus, WI

Columbia

(920) 948-1345

TOMPKINS, DANIEL J
Air Quality Control Agency

Poynette, WI Columbia (800) 420-3881

SKELTON, DANIEL
Radon, Inc
(exit DHS)

Madison, WI Dane (608) 467-0257

GALLAGHER, MICHAEL
M.P.G. Builders

McFarland, WI Dane (608) 516-5541

HENDRICKS, TONY
Acura Services
(exit DHS)

Oregon, WI Dane (608) 772-2349

MIKKELSON, ERIC
Fresh-Air Systems, Inc.

Oregon, WI

Dane

(608) 835-7669

MCDONNELL, LAWRENCE
WI Remediation Services

Stoughton, WI Dane (608) 877-0636

SOINE, ASHLEE
Better Basement Technologies
(exit DHS)

Sun Prairie, WI Dane (866) 446-1801

STOLZ, JOHN
Zander  Solutions
(exit DHS)

Verona, WI Dane (608) 833-6620

HARRIS, J. BRIAN
Harris Electronic Service

Sturgeon Bay, WI

Door

(920) 746-9773

ADAMSKI, JAMIE
Adamski Builders

Duluth, MN near Douglas (218) 727-2495
HARTMAN, JEFFREY
WI Radon Measurement & Mitigation
Eau Claire, WI Eau Claire (715) 559-0684
WELKE, GREG
Hovland's Inc
Eau Claire, WI Eau Claire (715) 832-1691
WOODLEY, MARK
Action Radon Gas
Eau Claire, WI Eau Claire (715) 835-2494

TREIBER, DAMIAN
The House Doctor
(nr. Florence, Wisconsin)

Quinnesec, MI

near Florence

(906) 774-3795

BRESTER, JAMES
Radon Mitigation Services

Fond du Lac, WI

Fond du Lac

(920) 922-5552

CUTTER, RON
Cutter Vac LLC

Fond du Lac, WI Fond du Lac (920) 922-3360

GABRIEL, THEODORE
Gabriel Heating & Radon Svcs

Platteville, WI Grant (608) 348-6760

SCHWARTZ, FRED
Trading Places Home Inspection
(exit DHS)

Helenville, WI Jefferson (262) 593-8591

NEWMAN, KARLA
Radon Remedy, LLC
(exit DHS)
Fax: (800) 250-4365

Kenosha, WI

Kenosha

(800) 917-2366

TENUTA, JEFF
American Radon Removal Co
(exit DHS) 
Fax: (262) 657-9059

Kenosha, WI 

Kenosha

(262) 657-9000

TUINSTRA, WARREN
Lee Plumbing, Heating & Cooling 

Kenosha, WI

Kenosha

(262) 657-9490

ENGEN, JEFF
Radon Mitigation Services

Mabel, MN La Crosse
(near)
(507) 493-5252

RICHLING, DAVE 
Schneider Htg & Air Conditioning
Fax: (608) 782-0440 

Onalaska, WI

La Crosse

(608) 782-4035

THOMPSON, KEN
Ken's Home Inspection, LLC
Fax: (608) 486-1149

Bangor, WI

La Crosse

(608) 486-1129

WEYER, JERALD
Radon Reduction Specialists

Manitowoc, WI

Manitowoc

(920) 758-2611

DESAUTEL, THOMAS
The Radon Man of Wisconsin

Rothschild, WI Marathon (715) 581-4446

JELMELAND, COY
Action Home Inspections, LLC

Spencer, WI Marathon (715) 257-0025

NEWBURRY, EDWARD
Alpha Low Radon Services

Stratford, WI Marathon (715) 687-4719

GARBACZ, STEVE
Abatron Engineering

Wausau, WI

Marathon

(715) 675-7277

MARK HOWE
Howe Radon Contracting

Wausau, WI Marathon (715) 370-1403

CLARK, JAMES G
Milwaukee Radon
(exit DHS)

Glendale, WI Milwaukee (414) 418-2675

NICHOLSON, CHASE & PAUL A
Radon Measurement & Elim. Svcs
(exit DHS)

Elm Grove, WI

Milwaukee

(262) 797-8949
(414) 573-1090 (cell)

HEINE, TOM
Radon Abatement

Hales Corners, WI

Milwaukee

(414) 546-3691

O'CALLAGHAN, JEROME
Wisconsin Radon & Environmental
(exit DHS)

Milwaukee, WI Milwaukee (414) 477-6026

KLOSER, JOSEPH
Kloser Inspections

Sparta, WI

Monroe

(877) 964-1103
toll free
(608) 269-3355

KOMAY, MIKE
New Light Inspections

Warrens, WI Monroe (608) 387-4093

ENGEN, LAWRENCE
Lawrence D Engen Inc

Hazelhurst, WI Oneida (715) 614-9217

OLINSKY, ADAM
A-1 Vacuum Center

Appleton, WI Outagamie (888) 421-8227

PETERSON, ROBERT C
Rock Road Plumbing
(exit DHS)

Black Creek, WI

Outagamie

(920) 731-2780

McCoy, JASON
McCoy, LLC

Seymour, WI Outagamie (920) 470-6353

STROHMENGER, BILL
Radon Busters, LLC
(exit DHS)

Cedarburg, WI

Ozaukee

(262) 930-1515

RIEDMAN, VAL
Croix Valley Radon Mitigation 

(exit DHS)

Luck, WI

Polk

(888) 481-6870

ECKENDORF, ERNEST
Safe & Secure Inspections

Plover, WI

Portage

(715) 498-8957

SEITZ, WILLIAM
All In One

Stevens Pt, WI Portage (715) 781-0937

CHROUSER, ALAN
Park Falls Building Supply
Fax: (715) 762-3915

Park Falls, WI Price (715) 762-3255

KARICH, JEFF
Superior Radon Mitigation LLC 
  
(exit DHS)
Fax: (814) 286-5253

Beloit, WI Rock (800) 631-1403

MATHEWS, JEREMY
J&L Radon Solutions

Janesville, WI Rock (608) 289-8813

THOMPSON, JOHN
A.T. Pro Mitigation Systems

Janesville, WI

Rock

(608) 758-0291

NELSON, JEFF
Nelson Construction & Radon Syst.

New Richmond, WI St. Croix (715) 246-5873

LUSZ, MICHELLE
Best Radon Solutions, LLC
(exit DHS)

East Troy, WI Walworth (262) 470-1014

GITTER, JOHN
Radon Doctors LLC
Fax: (262) 626-1313

Kewaskum, WI Washington (262) 388-3804

HOPPE, JEFF
AJ Radon Mitigation Services

Slinger, WI Washington (262) 501-3288

HOFFMANN, KURT N.
Freedom Radon Solutions, LLC

West Bend, WI

Washington

(262) 483-3650

CAMPBELL, SCOTT
Lifetime Radon Solutions

Delafield, WI Waukesha (262) 370-0045

LUSZ, GARY
Best Radon Solutions, LLC
(exit DHS)

Delafield, WI Waukesha (262) 745-4764

WEBER, RICK
Radon Rescuers LLC

Dousman, WI

Waukesha

(262) 470-5332

VESCIO, ROBERT & VAUGHN
Advanced Radon Management
(exit DHS)

Hartland, WI

Waukesha

(262) 691-2003

ZETZMAN, GREG
Radon Mitigators

Merton, WI Waukesha (262) 538-9966

TOLL, KEITH W
Radon Problem Solvers

Oconomowoc, WI Waukesha (262) 370-5894

FARROW, PAUL
House to Home Services

Pewaukee, WI Waukesha (414) 573-4663

GRYSZKIEWICZ, MIKE
Radon Rescuers

Sussex, WI Waukesha (262) 844-4267

DANIELS, DAVID; VANLINN, SHANE; VOIGT, CHRIS, MARKS, 
Radon Specialists of Wisconsin
(exit DHS)

Neenah, WI

Winnebago

(920) 751-0152

KRUGER, GARY
Kruger Engineering LLC

Neenah, WI

Winnebago

(920) 729-0958

WEBER, KEN
The Radon Doctor

Marshfield, WI Wood (715) 305-4356

Bordering States Certified Mitigation Contractor Lists

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Last Revised:  January 11, 2012