Radon Stoppers, LLC
insulation
Serving Monticello, MN
From Google Business Profile
4.9
131 Google reviews
Hours
| Monday | 7 AM–6 PM |
| Tuesday | 7 AM–6 PM |
| Wednesday | 7 AM–6 PM |
| Thursday | 7 AM–6 PM |
| Friday | 7 AM–6 PM |
| Saturday | 9 AM–5 PM |
| Sunday | 9 AM–5 PM |
Google categories: Contractor
View on Google Maps →Last checked October 13, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible parking lot
Photos on Google: 33
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · Jun 2026 · Owner replied
I appreciate the knowledge and the care Radon Stoppers brought to my installation. They took the time to explain the process in detail and gave me options to resolve the issue. The handled the job professionally (on- time and cleaned up)…
5 out of 5 stars · Jun 2026 · Owner replied
Excellent work! Very professional. Patrick explained everything along the way. Our house tested very high and after Patrick installed our system our test was below the safe level. I highly recommend Radon Stoppers!
5 out of 5 stars · May 2026 · Owner replied
As part of the sales process of our home it was determined we required a radon mitigation system. We were fortunate to have Radon Stoppers perform this service. Patrick and his son were timely, and explained the entire process. I was…
The owner replied to 5 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 13, 2026.
About insulation contractors in Monticello
Insulation contractors add attic, wall and crawlspace insulation and air sealing. Insulation contractors perform air sealing, blow cellulose or fiberglass into attics and walls, install spray foam and rigid foam in basements and rim joists, and help homeowners qualify for energy rebates.
Typical cost: $1,800–$6,000 for attic insulation and air sealing. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Ask for an energy audit: Blower door tests identify air leaks.
- Confirm target R-value: Northern climates typically aim for R-49 to R-60 in attics.
- Ask about air sealing: Insulation works best after air sealing.