*The Angi rating for Radon Detection And Reduction companies in Upper Darby, PA 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 Upper Darby, PA 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 September 24, 2025
Serving Upper Darby, PA and surrounding areas
Approved
Super Service Award Winner
In business since 2018
Free estimates
Warranties offered
"Replaced our aging radon fan for a reasonable price."
+8
Serving Upper Darby, PA and surrounding areas
Approved
Super Service Award Winner
In business since 1980
Free estimates
Emergency services offered
"Matt did a well-crafted job, finished in 3 hours, radon down to 0.6 when I checked the next morning."
Serving Upper Darby, PA and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"I have worked with SIS on numerous occasions as I completely trust them with my testing needs (mold & radon). They are responsive and knowledgeable, having extensive training and experience. Bob and Mary Ann are professional and courteous while providing a competitive price for their services. I highly recommend SIS for mold and radon testing!"
+3
Serving Upper Darby, PA and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
At Best Option Restoration of Montgomery County, we specialize in comprehensive disaster restoration services. Our team is dedicated to safeguarding homes and businesses from the damaging effects of mold, water, and storms. Here’s what sets us apart:\n\nMold Remediation: Our certified experts assess and isolate mold contamination, ensuring thorough removal and preventing further spore spread. We identify the root cause, devise effective solutions, and prioritize your safety.\nWater Removal and Storm Damage Restoration: When water wreaks havoc due to storms or other incidents, we’re here to help. Our 24/7 emergency response team swiftly tackles water extraction, drying, and structural repairs.\n\nComprehensive Services: Beyond mold and water remediation, we handle storm damage repairs, basement flood cleanup\nChoose Best Option Restoration of Montgomery County for reliable, efficient, and compassionate restoration services. We’re committed to restoring peace of mind and protecting your property.
Serving Upper Darby, PA and surrounding areas
In business since 2008
Free estimates
Emergency services offered
"adon After I contacted him, he responded promptly. While evaluating the area that needed radon mitigation, he called to discuss an area that had not been evaluated by inspectors (not affiliated with him). After accepting his price, we agreed on the day for the installation. During the installation, he was respectful and communicative. After completing the installation, he provided written warranties for me and the buyer. I highly recommend Keystone Radon Mitigators.
"
Serving Upper Darby, PA and surrounding areas
In business since 1998
Credit card accepted
"Michael was prompt and very helpful."
Serving Upper Darby, PA and surrounding areas
In business since 1993
Free estimates
Credit card accepted
We're a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We specialize in radon gas testing and abatement. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!
Serving Upper Darby, PA and surrounding areas
In business since 2010
Free estimates
Emergency services offered
"ECO TECH provided excellent service and remediated the mold and performed the necessary air quality test. Workers showed up on time for pretest, remediation and final air test and results. Over and above this excellent work, Tom McGuire was instrumental in helping us deal with the company we had hired previously. The first company was not qualified to remediate mold because they could not perform the required air test and the mold grew back in a few days after they had supposedly treated it. Tom helped us contact them, spoke with them himself and hopefully we will be receiving a refund. ECO TECH is the real deal - professional, thorough,cost effective and reliable. Can't sing their praises high enough.
"
Serving Upper Darby, PA 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.
"
Serving Upper Darby, PA and surrounding areas
In business since 2010
Free estimates
Warranties offered
Welcome to Quality Home Services of Delaware Valley, Inc! We are the premier professional radon testing company offering the highest quality and most attentive customer service. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Quality Home Services is certified with the Pennsylvania Department of Environmental Protection Agency (Cert#1609 and Firm#1610), and also with the National Environmental Health Association (NEHA Cert#100931 RT\nQuality Home Services has provided professional and caring service for over 45 years. We would appreciate the opportunity to provide your family with the most accurate radon testing service in the industry. Please call us today to schedule your appointment.Call us at 610-583-4738
From average costs to expert advice, get all the answers you need to get your job done.
The cost of a radon mitigation system in Philadelphia, PA, depends mostly on the type of system being installed. Use this guide to learn about your options.
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.
