The following radon mitigation experts use the Radon Sniffer:

Florida

Georgia

Georgia

Kansas

Minnesota

New Hampshire

North Carolina

North Carolina

North Carolina

North Carolina

North Carolina

Oregon

Oregon

South Carolina

Tennessee

Tennessee

Utah

Virginia

Alberta, Canada

British Columbia, Canada

Manitoba, Canada

Ontario, Canada

Ontario, Canada

Québec, Canada

Austria

Finland

Germany

Germany

Italy

Liechtenstein

Spain

Switzerland