Rocky Mountain Radon Mitigation logo

Rocky Mountain Radon Mitigation

Contractor · Northglenn, CO · reviewed since 2021

How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%99+58.1Reliability 26%100+26.1Value 15%100+15.2Experts Score= 99Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.99SCORE
AGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#13 of 71 radon testing servicesPosition by Experts Score among all companies we track in this category. · better than 83%
5.0 ★★★★★ 352 Google reviews · 24 photos
99%five-star reviews
4.99★last 12 monthsAverage stars on reviews from the last 12 months only.
0%1–2★ in 2 yearsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
100%reviews answered by the owner
Oct 2026latest review

Rocky Mountain Radon Mitigation at a glance

Google reviewers rate Rocky Mountain Radon Mitigation five stars based on 352 reviews, with the owner responding to every comment. Customers consistently highlight punctual scheduling, clear communication, and fair pricing for radon mitigation installations. Recurring themes include professional conduct, thorough cleanup, and effective system performance. No common criticisms appear in the provided excerpts.

  • Google rating: 5.0 out of 5 from 352 reviews (99% five-star).
  • Reviews on this page: 352 Google reviews (295 with written comments, 28 with photos).
  • Owner responses: the business replied to 100% of reviews.
  • Most recent review: October 30, 2026.
  • Service: Radon Testing Service serving Northglenn, Colorado.

Data from Google, last updated November 2, 2026.

Score profile vs other radon testing services

Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: reliability and craft & service; weakest: satisfaction.

Satisfaction99Reliability100Craft & service100Value100Momentum100Replies to reviews–Satisfaction: 99 (median 95)Reliability: 100 (median 94)Craft & service: 100 (median 99)Value: 100 (median 100)Momentum: 100 (median 100)
This companyRadon Testing Services median0 = centre, 100 = best
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Rocky Mountain Radon Mitigation: 99/100 on this factor. Category median: 95.A
99
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Rocky Mountain Radon Mitigation: 100/100 on this factor. Category median: 94.A
100
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Rocky Mountain Radon Mitigation: 100/100 on this factor. Category median: 99.A
100
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Rocky Mountain Radon Mitigation: 100/100 on this factor. Category median: 100.A
100
MomentumMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Rocky Mountain Radon Mitigation: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 83.–
–

Bar = this company · dark tick = category median.

Star ratings

352 Google reviews we collected

  • 5 stars35099%
  • 4 stars21%
  • 3 stars00%
  • 2 stars00%
  • 1 star00%

Praise vs complaints

Phrases our text analysis found in 295 written reviews

  • Praise695100%
  • Complaints10%

PriceGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.

Price verdicts customers left with their Google review

  • Great price3047%
  • Reasonable3352%
  • Overpriced00%
  • Not sure12%

Topic share

How often each topic comes up in the written reviews

  • Speed & response15322%
  • Staff & attitude14521%
  • Quality & results12818%
  • Would recommend9213%
  • Communication8813%
  • Price & value7511%
  • Honesty & trust152%

What customers talk about

We read 295 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “Excellent job, no issues, system seems to be working as expected, very clean and fast job, no complaints, very satisfied with the job so far.”
  • “Ian was professional, knowledgeable, responsive, and easy to work with throughout the process.”
  • “Excellent work and he spent some time getting my quote completed and furnishing me with the needed data for my HOA approval process.”
  • “…e broker, I truly appreciate contractors I can count on, and I would absolutely recommend Ian and Rocky Mountain Radon to my clients and fellow agents…”
  • “The tech was on time, professional, explained the use of the system to me, and completed the work timely.”
  • “The pricing was very fair, especially compared to other quotes we received, and the work was completed quickly and professionally.”
  • “When you're working with inspection deadlines, having a reliable contractor who communicates well and gets the job done is incredibly important.”

People customers mention

  • Ian 42 reviews
  • Alec 9 reviews
  • Gage 7 reviews
  • Robert 5 reviews
  • Jose 4 reviews
  • Josh 3 reviews

praise complaint · found by our text analysis, Google review wording unchanged.

Reviews for your job

Customers hired Rocky Mountain Radon Mitigation for 4 kinds of job. Pick one to see what they paid and said.

Recent reviews

Luis12 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 days ago★★★★★

Excellent job, no issues, system seems to be working as expected, very clean and fast job, no complaints, very satisfied with the job so far. Thanks

Reasonable priceService not listed
Jane2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 6 days ago★★★★★

I recently had the pleasure of working with Ian at Rocky Mountain Radon during a real estate transaction, and I couldn't be happier with the experience! Ian was professional, knowledgeable, responsive, and easy to work with throughout the process. When you're working with inspection deadlines, having a reliable…

Kathy11 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 6 days ago★★★★★

I am very, very pleased with the experience plus my radon levels went way down and the air in my home feels SO much fresher as a result. The process went smoothly and professionally (which, as a mountain home owner, is relatively rare).

Hector12 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a week ago★★★★★

Excellent work and he spent some time getting my quote completed and furnishing me with the needed data for my HOA approval process. Very satisfied with Rocky Mtn!

Margaret2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 weeks ago★★★★★

Ian is amazing! Very knowledgeable and gives you solutions and options for the solution. He works with you and is very customer focused. Cares about the mountain community!

Great priceService not listed
Ashley13 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 weeks ago★★★★★

Great communication from start to finish. Fair pricing and quality customer service overall. Couldn't ask for more!

Photos

Customer reviews

5.0 ★★★★★ 352 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Jobs customers hired them for — from Google's service tags and the review text
Team members customers mention
Filter by topic — each topic is highlighted in the reviews in the same color
David AdameLocal Guide · 69 reviewsTotal number of Google reviews David has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Quick work and great communication.

  • Price assessment: Great price
  • Services: Fan installation
Response from the owner · 2 days ago

David, thank you for taking the time to leave us a five star review!

Luis Vazquez12 reviewsTotal number of Google reviews Luis has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Excellent job, no issues, system seems to be working as expected, very clean and fast job, no complaints, very satisfied with the job so far. Thanks

  • Price assessment: Reasonable price
  • Services: Service not listed
Response from the owner · 2 days ago

Luis, thank you for taking the time to leave us a five star review!

Jane Pearson2 reviewsTotal number of Google reviews Jane has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I recently had the pleasure of working with Ian at Rocky Mountain Radon during a real estate transaction, and I couldn't be happier with the experience! Ian was professional, knowledgeable, responsive, and easy to work with throughout the process. When you're working with inspection deadlines, having a reliable contractor who communicates well and gets the job done is incredibly important. Ian made the process smooth and stress-free. As a real estate broker, I truly appreciate contractors I can count on, and I would absolutely recommend Ian and Rocky Mountain Radon to my clients and fellow agents.

Response from the owner · 6 days ago

Jane, thank you so much for taking the time to leave us a five star review. We truly appreciate your continued business!

Patricia McVicker6 reviewsTotal number of Google reviews Patricia has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

job done well and in good time. good people to work with.

  • Price assessment: Reasonable price
  • Services: Service not listed
Response from the owner · 6 days ago

Thank you Pat so much for taking the time to leave us a five star review

Kathy E11 reviewsTotal number of Google reviews Kathy has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I am very, very pleased with the experience plus my radon levels went way down and the air in my home feels SO much fresher as a result. The process went smoothly and professionally (which, as a mountain home owner, is relatively rare).

Response from the owner · 6 days ago

Kathy, thank you so much for taking the time to leave us a thoughtful five star review

Hector Cruz12 reviewsTotal number of Google reviews Hector has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Excellent work and he spent some time getting my quote completed and furnishing me with the needed data for my HOA approval process. Very satisfied with Rocky Mtn!

Response from the owner · a week ago

Hector, thank you so much for your business and taking the time to leave us a five star review!

Kristi BringleLocal Guide · 22 reviewsTotal number of Google reviews Kristi has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Very communicative

  • Services: Installation
Response from the owner · a week ago

Thank you Kristi for taking the time to leave us 5 stars!!

Margaret Turner2 reviewsTotal number of Google reviews Margaret has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Ian is amazing! Very knowledgeable and gives you solutions and options for the solution. He works with you and is very customer focused. Cares about the mountain community!

  • Price assessment: Great price
  • Services: Service not listed
Response from the owner · 2 weeks ago

Margaret, thank you so much for taking the time to leave us a five star review! -Ian

Ashley Annestedt, LCSW13 reviewsTotal number of Google reviews Ashley has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great communication from start to finish. Fair pricing and quality customer service overall. Couldn't ask for more!

Response from the owner · 2 weeks ago

Ashley, thank you so much for leaving us a thoughtful five star review!

DanLocal Guide · 8 reviewsTotal number of Google reviews Dan has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Rocky Mountain Radon provided an excellent price, Al our Technician was polite and professional, his installation was flawless and exceeded my expectations, he left the spaces he worked in clean of debris as well. The owner Ian was also very prompt and professional when providing the quote. Thank you RMR.

Response from the owner · 2 weeks ago

Dan, thank you so much for taking the time to leave us a awesome five star review!

Rocky Mountain Radon Mitigation on Google Maps →

Business details