*The Angi rating for Radon Detection And Reduction companies in Grinnell, IA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.
*The HomeAdvisor rating for Radon Detection And Reduction companies in Grinnell, IA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.
Last update on February 19, 2026
Serving Grinnell, IA and surrounding areas
Approved
In business since 2020
Free estimates
Warranties offered
"It reduced the radon from an average of 23 to 0.24."
+14
Serving Grinnell, IA and surrounding areas
Approved
Free estimates
Warranties offered
Credit card accepted
"Milledge Construction installed evacuators in our homes to reduce radon levels...the installer was very professional and explained in detail what needed to be done...it is amazing how quickly the radon level has subsided in just 24 hours...the installation and equipment is of high quality...if you only suspect you have a radon infection you should call Milledge Construction first...we were very impressed with the radon reduction results...5 stars for sure..."
+56
Serving Grinnell, IA and surrounding areas
In business since 2020
Free estimates
Small jobs welcome
"Luis was very patient, detailed, and filled with valuable information. He took his time and explained to us all the required and suggested needed improvements throughout the entire inspection. We were in a jam and needed the inspection the next day and we were lucky that he was available. The turn around time of the report was within 24 hours as he promised. He a reliable service and we would highly recommend him in the future."
+11
Serving Grinnell, IA and surrounding areas
In business since 2014
Free estimates
Other appointments available.
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