Milwaukee & Madison Area



North Eastern Wisconsin Area



Contact Us

Contact Radon Specialists of Wisconsin

Please call the office before coming to the shop. We’re open during the following hours, but may be out of the office doing Radon tests or estimates.

Monday – Friday  8:00am to 5:00pm. If there is an emergency call David’s cell phone after 4:00pm.  (Winter Hours)
Saturday & Sunday Closed.
If we don’t answer our phone, please leave a message or email us – we will get back to you ASAP.

NE WI: 920-751-0152
Madison: 844-569-7236
Milwaukee: 844-569-7236
Menomonee Falls: 262-293-9180
Fax: 920-751-0197
Email David Daniels

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For technical questions feel free to call David at 920-858-1130

Our convenient locations to serve you better.

1072 Rock Ledge Ln
Neenah, WI 54956

W141N5964 Kaul Avenue
Menomonee Falls, WI 53051

David DanielsOwner/Operator;920-858-1130 (cell)
Nick MarksManager - Fox Valley Office;"Call David "
Brandon WittmannManager - Madison Office;Call David
Pat LewisTesting/Sales;Call David
Ryan MancheskiManager - Milwaukee Office;"Call David "
Joe BeilInstaller Milwaukee;call David
Ben DanielsInstaller Fox Valley;"Call David "
Jason LloydInstaller Fox Valley;"Call David "
Courtney BillingtonOffice Manager;Call David
Lucy DanielsDavid’s spouse;920-858-1640 (Emergencies)