Top-rated radon detection and reduction specialists.

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Avatar for SIS Mold & Home Inspections

SIS Mold & Home Inspections

5.00(
2
)
Approved Pro

SIS Mold & Home Inspections

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 years of experience

We are a small, veteran-owned local business, your safety is our priority. We inspect and test for mold and radon. SIS only performs testing and inspections, not remediation. We have no conflict of interest. For mold testing and inspections, you will receive a report that is clear and easy to understand with lab results interpreted. The mold inspector has done thousands of inspections and tests in the Delaware valley and keeps current with mold education. For radon testing, SIS uses Continuous Radon Monitors (CRM's) to perform short term tests. We provide professional test results and reports. PA state license # 3589 and nationally certified (NRPP).

"Bob from SIS is a straight shooter, provides options, clear explanations and associated costs on the necessary steps to remediate the problem. Good communication, timely and professional. Pleasantly surprised with my experience with SIS and the contractor they recommended to do the work. Easy 5-star rating, not too common these days."

Dennis H on February 2024

We are a small, veteran-owned local business, your safety is our priority. We inspect and test for mold and radon. SIS only performs testing and inspections, not remediation. We have no conflict of interest. For mold testing and inspections, you will receive a report that is clear and easy to understand with lab results interpreted. The mold inspector has done thousands of inspections and tests in the Delaware valley and keeps current with mold education. For radon testing, SIS uses Continuous Radon Monitors (CRM's) to perform short term tests. We provide professional test results and reports. PA state license # 3589 and nationally certified (NRPP).

"Bob from SIS is a straight shooter, provides options, clear explanations and associated costs on the necessary steps to remediate the problem. Good communication, timely and professional. Pleasantly surprised with my experience with SIS and the contractor they recommended to do the work. Easy 5-star rating, not too common these days."

Dennis H on February 2024


Avatar for The Radon Bros

The Radon Bros

5.00(
5
)
Approved Pro

The Radon Bros

5.00(
5
)
Approved Pro
Super Service Award
Customers say: Terrific value
201 local quotes requested
7 years of experience

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.

"They were really helpful and polite they explained the job from start to finish and they explian how radon is harmful."

David R on November 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.

"They were really helpful and polite they explained the job from start to finish and they explian how radon is harmful."

David R on November 2025


Avatar for Anvil Radon Services

Anvil Radon Services

5.00(
15
)

Anvil Radon Services

5.00(
15
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Extremely professional and personable service. I’m very pleased with the service I received."

Mark M on March 2023

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Extremely professional and personable service. I’m very pleased with the service I received."

Mark M on March 2023



Radon Technology & Environmental

5.00(
3
)

Radon Technology & Environmental

5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are a Family owned business and have locally operated in south eastern PA for over 25 years. We don't sub-contract any of our work. We take pride in our work, and in doing so, have become experts in Radon Remediation.

"I contacted three different companies to obtain estimates. Only one, RTE, offered to come out and inspect the property and thoroughly explain what would be needed. There was no pressure to sign a contract. The other two companies had me answer questions about the house and then sent their estimates. I was impressed that the owner of the company himself came out to provide the estimate. Their expertise, customer service, and quality of work far exceeded my expectations. I just got back the results of the post-remediation testing and level was reduced to 1.2, I highly recommend this company. They serve a wide area of the Delaware Valley."

Alan H on June 2024

We are a Family owned business and have locally operated in south eastern PA for over 25 years. We don't sub-contract any of our work. We take pride in our work, and in doing so, have become experts in Radon Remediation.

"I contacted three different companies to obtain estimates. Only one, RTE, offered to come out and inspect the property and thoroughly explain what would be needed. There was no pressure to sign a contract. The other two companies had me answer questions about the house and then sent their estimates. I was impressed that the owner of the company himself came out to provide the estimate. Their expertise, customer service, and quality of work far exceeded my expectations. I just got back the results of the post-remediation testing and level was reduced to 1.2, I highly recommend this company. They serve a wide area of the Delaware Valley."

Alan H on June 2024


Safeway Pest Control, Inc.

No reviews yet

Safeway Pest Control, Inc.

No reviews yet
29 years of experience

Full service pest and rodent control. Radon testing and analysis. Termite & rodent inspections and reports. We accept cash, checks, bank checks, money orders, and all major credit cards. We offer the following discounts: Senior Citizen, Active/retired military, Disabled veteran, Religious organization.

Full service pest and rodent control. Radon testing and analysis. Termite & rodent inspections and reports. We accept cash, checks, bank checks, money orders, and all major credit cards. We offer the following discounts: Senior Citizen, Active/retired military, Disabled veteran, Religious organization.


"Dave did our home inspection, felt he was thorough, pointed out a lot in the house with a lot of detail in the report. The deal didn't go through (not because of the inspection), and we didn't hesitate to call him for another inspection when we found another house. Same experience, would definitely use him again."

Bernie P on October 2018

We are a full service Home Inspection company. We are available 7 days a week to meet your inspection needs.

"Dave did our home inspection, felt he was thorough, pointed out a lot in the house with a lot of detail in the report. The deal didn't go through (not because of the inspection), and we didn't hesitate to call him for another inspection when we found another house. Same experience, would definitely use him again."

Bernie P on October 2018



Inspired Green - Southeastern Pennsylvania

No reviews yet

Inspired Green - Southeastern Pennsylvania

No reviews yet
Free onsite estimate

Inspired Green helps families improve their health, safety, comfort and finances through home performance analysis and improvements.   85% of homes in America do not adequately control heat, air and moisture.  When a home is poorly performing, the quality of life for the family living in the home suffers.  Inspired Green provides your family BPI (Building Performance Institute) certified recommendations to enhance your home and installs the improvements that best meet your goals and budget.  We connect you with and process any rebates and incentives available to you through state or utility programs that support home performance.

Inspired Green helps families improve their health, safety, comfort and finances through home performance analysis and improvements.   85% of homes in America do not adequately control heat, air and moisture.  When a home is poorly performing, the quality of life for the family living in the home suffers.  Inspired Green provides your family BPI (Building Performance Institute) certified recommendations to enhance your home and installs the improvements that best meet your goals and budget.  We connect you with and process any rebates and incentives available to you through state or utility programs that support home performance.


Avatar for Kennedy Inspections

Kennedy Inspections

4.65(
20
)

Kennedy Inspections

4.65(
20
)
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

We provide personal and accurate information for the largest purchase you'll make. Unlike larger inspection companies, our success is based on making sure every inspection is performed with the integrity and precision you need to feel safe with your purchase and in the negotiations with the seller that follow. We provide same day picture filled reports and spend the time discussing the findings in it with you during and after the inspection. We are certified with ASHI (American Society of Home Inspectors) and fully insured.

"Ross Kennedy got stuck on the roof when he did my home inspection. He failed to report on major structural issues which cost me hundreds of thousands of dollars. Would not recommend."

Courtney B on March 2022

We provide personal and accurate information for the largest purchase you'll make. Unlike larger inspection companies, our success is based on making sure every inspection is performed with the integrity and precision you need to feel safe with your purchase and in the negotiations with the seller that follow. We provide same day picture filled reports and spend the time discussing the findings in it with you during and after the inspection. We are certified with ASHI (American Society of Home Inspectors) and fully insured.

"Ross Kennedy got stuck on the roof when he did my home inspection. He failed to report on major structural issues which cost me hundreds of thousands of dollars. Would not recommend."

Courtney B on March 2022

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Radon Detection and Reduction questions, answered by experts

DIY radon detection is possible using over-the-counter test kits, but professional testing can provide more accurate assessments, especially in cases of high initial readings.

If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.

The only way to determine if you have a radon problem in your home is to have professional testing done. You can buy DIY radon test kits, but these are sometimes inaccurate in certain temperatures and humidity levels, and they don’t paint the entire picture in terms of your radon exposure. Scheduling testing once every two to five years is best. You can also look out for the following symptoms, which, according to the American Cancer Society, are symptoms of radon exposure:

  • Shortness of breath

  • Cough

  • Tightness in the chest

  • Difficulty swallowing

  • Hoarseness

The soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

A DIY kit can lessen the sting that comes with paying for a professional assessment, but these comprehensive tests are true lifesavers. Inspectors are more likely to catch all of the pollutants and hazards in your air. Plus, you’ll still need a professional to verify and act on your DIY test results. 

Some kits don’t include tests for certain air pollutants or only detect their presence, but not their levels (i.e., mold spores). If you’re willing to shell out money for a DIY kit, it’s usually better to stretch your budget slightly higher for a more detailed assessment.

The Eddystone, PA 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.