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Radon gas testers in Claymont

Avatar for Lawson Home Services, LLC
Lawson Home Services, LLC
115 Atlantic Avenue
4.78(
55
)
Approved Pro
Lawson Home Services, LLC
115 Atlantic Avenue
4.78(
55
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
45 local quotes requested

Lawson Home Services is the one that gets it done. We are professionals and will solve your radon problems quickly. From start to finish we are working to reduce your radon levels by doing the job correctly. Give us a call today.

"Excellent work!"

Chuck R on February 2024

Lawson Home Services is the one that gets it done. We are professionals and will solve your radon problems quickly. From start to finish we are working to reduce your radon levels by doing the job correctly. Give us a call today.

"Excellent work!"

Chuck R on February 2024


Avatar for In and Out Home Inspections, LLC
In and Out Home Inspections, LLC
11722 Back Creek Road
4.86(
84
)
Approved Pro
In and Out Home Inspections, LLC
11722 Back Creek Road
4.86(
84
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
21 local quotes requested

Here at, In and Out Home Inspections, LLC, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Excellent and extremely thorough!"

Frank F on June 2024

Here at, In and Out Home Inspections, LLC, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Excellent and extremely thorough!"

Frank F on June 2024


Avatar for The Radon Bros LLC
The Radon Bros LLC
2522 Deep Creek Rd
4.86(
11
)
Approved Pro
The Radon Bros LLC
2522 Deep Creek Rd
4.86(
11
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
198 local quotes requested

The Radon Bros LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"They didn't clean up, but it was a basement."

Dan K on May 2025

The Radon Bros LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"They didn't clean up, but it was a basement."

Dan K on May 2025


Avatar for Lawson Home Services, LLC
Lawson Home Services, LLC
115 Atlantic Avenue
4.63(
35
)
Approved Pro
Lawson Home Services, LLC
115 Atlantic Avenue
4.63(
35
)
Approved Pro
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
246 local quotes requested

Full service Radon testing and mitigation, air duct and dryer vent cleaning, and blown-in attic insulation company. We service the entire state of Delaware and eastern Maryland.

"Very professional, knowledgeable, courteous and very customer focused. Would definitely use their services again!"

Chris A on November 2023

Full service Radon testing and mitigation, air duct and dryer vent cleaning, and blown-in attic insulation company. We service the entire state of Delaware and eastern Maryland.

"Very professional, knowledgeable, courteous and very customer focused. Would definitely use their services again!"

Chris A on November 2023


Avatar for The Radon Bros
The Radon Bros
5.00(
3
)
Approved Pro
The Radon Bros
5.00(
3
)
Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
523 local quotes requested

The Radon Bros is a certified provider specializing in radon testing, mitigation, and system repairs for homes, businesses, and schools across Pennsylvania, Delaware, and Maryland. They also offer mold testing and comprehensive indoor air quality assessments to ensure safer living and working environments. The company provides tailored solutions, including radon system installation and expert consultations for contractors, with a commitment to safety, health, and air quality.

"Ordered home kit from them"

Kathryn B on June 2025

The Radon Bros is a certified provider specializing in radon testing, mitigation, and system repairs for homes, businesses, and schools across Pennsylvania, Delaware, and Maryland. They also offer mold testing and comprehensive indoor air quality assessments to ensure safer living and working environments. The company provides tailored solutions, including radon system installation and expert consultations for contractors, with a commitment to safety, health, and air quality.

"Ordered home kit from them"

Kathryn B on June 2025


Avatar for ACI-Tech Inc
ACI-Tech Inc
2300 W 4th St #6
4.77(
44
)
Approved Pro
ACI-Tech Inc
2300 W 4th St #6
4.77(
44
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
149 local quotes requested

ACI-Tech Inc. is a licensed and fully-certified provider of remediation services. Asbestos removal is not offered in New Jersey.

"Jack and his crew were phenomenal. I cannot say enough good things. They did an outstanding job remediating/removing asbestos from our basement. Jack is reliable, professional, has tremendous expertise in the field and communicated with us at every step of the process. He also helped bring me back down to earth because I was so nervous about the asbestos. Truly above and beyond what I could have ever expected. We will certainly hire ACI-Tech again should we have any needs in the future."

Rebecca L on July 2024

ACI-Tech Inc. is a licensed and fully-certified provider of remediation services. Asbestos removal is not offered in New Jersey.

"Jack and his crew were phenomenal. I cannot say enough good things. They did an outstanding job remediating/removing asbestos from our basement. Jack is reliable, professional, has tremendous expertise in the field and communicated with us at every step of the process. He also helped bring me back down to earth because I was so nervous about the asbestos. Truly above and beyond what I could have ever expected. We will certainly hire ACI-Tech again should we have any needs in the future."

Rebecca L on July 2024


Avatar for Newman Waterproofing, LLC
Newman Waterproofing, LLC
4.98(
51
)
Approved Pro
Newman Waterproofing, LLC
4.98(
51
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
124 local quotes requested

Family owned business with over 20 years of experience handling all your Mold Testing & Remediation - Water & Smoke Damage. For residential and commercial.

"Very well. Contacted Newman Waterproofing and within two hours, measurements were taken. The window was special ordered and installed two days later. Very professional company. Always prompt and hospitable. The Company bends over backwards to please the customer."

John D on June 2025

Family owned business with over 20 years of experience handling all your Mold Testing & Remediation - Water & Smoke Damage. For residential and commercial.

"Very well. Contacted Newman Waterproofing and within two hours, measurements were taken. The window was special ordered and installed two days later. Very professional company. Always prompt and hospitable. The Company bends over backwards to please the customer."

John D on June 2025


Avatar for Property Recovery 911
Property Recovery 911
4.88(
17
)
Approved Pro
Property Recovery 911
4.88(
17
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
431 local quotes requested

Property Recovery 911 specializes in residential and commercial emergency restoration services. Our restoration technicians are trained to the highest standards and we employ state-of-the-art equipment, materials, and methods to deliver unparalleled results. We are constantly striving to provide the highest level of professionalism, exemplary customer service and rapid response when called upon to assist in an emergency situation. Offering prompt, professional emergency services that include water mitigation, fire restoration, mold remediation and biohazard cleanup; our certified specialists are committed to assisting victims of disaster protect their interests by quickly removing the source of damage and starting the restoration. Owner/operator Paul Messa is intimately involved with every job awarded to Property Recovery 911, ensuring the highest degree of quality control resulting in the best possible outcomes. Our workforce consists of long-term associates with whom we have established and maintained a close working relationship. Developing and nurturing this rapport within our ranks through loyalty, fair compensation, and mutual respect has helped us to acquire and sustain an outstanding crew of dedicated specialists. We provide comprehensive solutions to our customers resulting in a seamless work cadence and superior outcome. We are available any time of day or night 365 days a year with 24/7 live phone support to efficiently mitigate losses and help curtail additional damages. Direct insurance company billing is available, allowing our customers to concentrate on more important matters. Our commitment to excellence is not lost on our customers. Property Recovery 911 is the clear choice to deliver outstanding results at a reasonable price. For more information, contact us at (267) 808-7200.

"The team is off to a good start. My home is dry. I’m waiting for the reconstruction."

Alicia B on November 2022

Property Recovery 911 specializes in residential and commercial emergency restoration services. Our restoration technicians are trained to the highest standards and we employ state-of-the-art equipment, materials, and methods to deliver unparalleled results. We are constantly striving to provide the highest level of professionalism, exemplary customer service and rapid response when called upon to assist in an emergency situation. Offering prompt, professional emergency services that include water mitigation, fire restoration, mold remediation and biohazard cleanup; our certified specialists are committed to assisting victims of disaster protect their interests by quickly removing the source of damage and starting the restoration. Owner/operator Paul Messa is intimately involved with every job awarded to Property Recovery 911, ensuring the highest degree of quality control resulting in the best possible outcomes. Our workforce consists of long-term associates with whom we have established and maintained a close working relationship. Developing and nurturing this rapport within our ranks through loyalty, fair compensation, and mutual respect has helped us to acquire and sustain an outstanding crew of dedicated specialists. We provide comprehensive solutions to our customers resulting in a seamless work cadence and superior outcome. We are available any time of day or night 365 days a year with 24/7 live phone support to efficiently mitigate losses and help curtail additional damages. Direct insurance company billing is available, allowing our customers to concentrate on more important matters. Our commitment to excellence is not lost on our customers. Property Recovery 911 is the clear choice to deliver outstanding results at a reasonable price. For more information, contact us at (267) 808-7200.

"The team is off to a good start. My home is dry. I’m waiting for the reconstruction."

Alicia B on November 2022


Avatar for Radon Shield LLC
Radon Shield LLC
757 Beatty St
4.85(
97
)
Approved Pro
Radon Shield LLC
757 Beatty St
4.85(
97
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
3918 local quotes requested

Radon Shield, LLC is your premier choice for Radon testing and mitigations in New Jersey, New York, and Pennsylvania . We provide high quality work and friendly customer service.You do not need to overpay to get Radon out, We can help. Call today for Professional service you can afford! Our team of professionals include New Jersey certified Radon mitigation specialist(#MIS13009) and Pennsylvania certified Radon mitigation professional(#3055). We are fully insured. Additional email: info@radonshieldllc.com

"Benedict was able to schedule me quickly for remediation. He put my mind at ease. They worked quickly and the space was spotless when they were done. He explained every step and the system in place has really done the job. He has been a pleasure to work with."

Sandra J on November 2024

Radon Shield, LLC is your premier choice for Radon testing and mitigations in New Jersey, New York, and Pennsylvania . We provide high quality work and friendly customer service.You do not need to overpay to get Radon out, We can help. Call today for Professional service you can afford! Our team of professionals include New Jersey certified Radon mitigation specialist(#MIS13009) and Pennsylvania certified Radon mitigation professional(#3055). We are fully insured. Additional email: info@radonshieldllc.com

"Benedict was able to schedule me quickly for remediation. He put my mind at ease. They worked quickly and the space was spotless when they were done. He explained every step and the system in place has really done the job. He has been a pleasure to work with."

Sandra J on November 2024


Chadds Ford Climate Control, Inc.
144 Fairville Rd
4.77(
13
)
Chadds Ford Climate Control, Inc.
144 Fairville Rd
4.77(
13
)
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

WELCOME TO CHADDS FORD CLIMATE CONTROL! Chadds Ford Climate Control offers a broad range of skilled services to create a more comfortable, productive, and rewarding home and work environment. We promote superior efficiency, convenience, and accessibility through proven effective equipment and procedures. Our certified technicians bring you safe and viable solutions to the design/build, retrofit, maintenance, and repair of all types of heating and cooling systems, including ductless and geothermal, air quality improvements, thermostats, back up generators, water heaters, and electrical and plumbing services.

"Everything was Great, Very Professional Company.Would Hire again."

Ed P on December 2020

WELCOME TO CHADDS FORD CLIMATE CONTROL! Chadds Ford Climate Control offers a broad range of skilled services to create a more comfortable, productive, and rewarding home and work environment. We promote superior efficiency, convenience, and accessibility through proven effective equipment and procedures. Our certified technicians bring you safe and viable solutions to the design/build, retrofit, maintenance, and repair of all types of heating and cooling systems, including ductless and geothermal, air quality improvements, thermostats, back up generators, water heaters, and electrical and plumbing services.

"Everything was Great, Very Professional Company.Would Hire again."

Ed P on December 2020

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FAQs for radon gas testing projects in Claymont, DE

Radon fans last between five and 10 years with continuous operation. Many manufacturers provide warranties ranging from one to five years. Rather than replacing on a fixed schedule, monitor your system for signs of failure such as unusual noises, vibrations, or changes in system pressure readings. Regular inspections can help identify when replacement is necessary before radon levels increase in your home.

While experienced homeowners with knowledge of radon systems might replace their own fans, most should hire professionals. The process involves electrical work and precise sealing to maintain system effectiveness. 

Improper installation could lead to radon exposure or system inefficiency. Since professional replacement costs are reasonable, most homeowners choose certified radon specialists to ensure proper installation and system function.

Watch for warning signs such as unusual or excessive noise from the fan, vibrations, or changes in your system's manometer or pressure gauge readings. If you notice rising radon levels during routine testing, this could indicate fan failure. Physical damage to the fan housing or water leaks around the unit also suggest replacement is needed. Regular system inspections can help catch these issues early.

Contact certified radon mitigation specialists or professionals with specific experience in radon systems. These experts understand the importance of proper fan sizing and installation techniques. They can ensure your system maintains effective radon reduction and complies with safety standards. Working with qualified professionals provides assurance that your home remains protected from harmful radon gas.

Standard homeowners' insurance policies usually don't cover radon fan replacement, as this is considered routine maintenance rather than sudden or accidental damage. Some home warranty programs might include radon equipment coverage, so check your specific policy details. In most cases, radon fan replacement is a homeowner's responsibility as part of normal system upkeep.

The Claymont, DE homeowners’ guide to radon gas testings
From average costs to expert advice, get all the answers you need to get your job done.
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