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*The Angi rating for Radon Detection And Reduction companies in Rockville, VA 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 Rockville, VA 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 December 02, 2025

Find Radon detection and reduction specialists in Rockville

Avatar for TOPS RADON
TOPS RADON
5.0(
8
)
Radon Gas - AbatementRadon Gas - Testing

Serving Rockville, VA and surrounding areas

Approved

In business since 2025

Free estimates

Offers commercial services

"Ben, I can’t thank you enough. You take pride in your work and I respect that. You worked so hard and payed attention to the smallest of details. The results speak for themselves. If you are looking for a radon mitigation system, look no further than Tops Radon. First class service from beginning to end. I cannot recommend Ben enough. God bless you Ben."
External fan
Mitigation system
Mitigation system
Mitigation system
Response time1 day
Response rate96%
1 neighbors recently requested a quote
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Avatar for HomeTeam Inspection Service of South Richmond
HomeTeam Inspection Service of South Richmond
5.0(
5
)
Radon Gas - Testing

Serving Rockville, VA and surrounding areas

In business since 2021

Small jobs welcome

Credit card accepted

"Highly Recommended! HomeTeam provides outstanding service and same day reporting. I was able to easily schedule my home, pest, water, and radon inspection on one call! During the purchase of my new home, HomeTeam provided a detailed and easy to read report. They team was excellent and answered all my questions during and after the inspection. Thank you HomeTeam for helping me to feel confident of my big ticket purchase and for being part of my Home Team!!"
Response time8 hrs
Recommended by80%of homeowners
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Avatar for All States Air Duct Pro
All States Air Duct Pro
3.1(
236
)
Radon Gas - AbatementRadon Gas - Testing

Serving Rockville, VA and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"Hired vendor to perform the coupon deal.  Found mold in the unit; they tested and cleaned the unit, and duct work.  They were courteous, well informed.
"
Before & After Air Duct Cleaning
Recommended by49%of homeowners
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Avatar for Advanced Home Inspection, LLC
Advanced Home Inspection, LLC
4.4(
5
)
Radon Gas - Testing

Serving Rockville, VA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

Welcome to Advanced Home Inspection LLC! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you! \n\nCombined 100+ years experience in the housing industry as a contractors, builders, historic restoration, and inspectors. Experienced in historic and newer homes.\nWe provide instant reporting, short notice and non-traditional scheduling. Your inspection will include photos of all shut off locations, dates and typical life spans of all mechanical units, maintenance schedules, and probably a joke or two.\nFull home, prelist and pre-purchase home inspections including thermography (when necessary), all windows, all doors, all systems, all outlets, plumbing, electrical, crawl space/basement/slab, roof and more. \nPricing begins at $350 for full inspection\n$175 for addl services & walk thru

Example of estimate cost to rectify incl in report
Inspection
Inspection
Inspection
Example of estimate cost to rectify incl in report

+4

Response time7 hrs
Response rate97%
Recommended by80%of homeowners
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Radon Detection and Reduction questions, answered by experts

The lifespan of a radon mitigation system depends on the type of system and its maintenance. With proper care, a system can last for many decades. Passive systems tend to last longer as they have fewer components that require replacement. Active systems, which have more moving parts like fans, generally have a shorter lifespan. For instance, water filtration devices and active pressurization systems require more frequent maintenance. While the system as a whole is durable, the radon fan in an active system typically has a lifespan of 5 to 10 years and will need to be replaced. As long as the fan is working, the mitigation system should function correctly.

Mitigation reduces radon levels, protecting your health and complying with safety standards.

Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don’t hesitate to perform radon testing and install a mitigation system as soon as possible.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

The Rockville, VA homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles