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Avatar for The Radon Bros

The Radon Bros

5.00(
4
)
Approved Pro

The Radon Bros

5.00(
4
)
Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
149 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.

"Went well"

Kenneth H on July 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.

"Went well"

Kenneth H on July 2025


Avatar for Oak Leaf Environmental

Oak Leaf Environmental

409 S Pennsylvania Ave
New on AngiNew on Angi
Approved Pro

Oak Leaf Environmental

409 S Pennsylvania Ave
New on AngiNew on Angi
Approved Pro
169 local quotes requested
Free onsite estimate

If you're a property owner seeking peace of mind regarding mold, asbestos, lead, radon, or air quality issues, the skilled environmental team at Oak Leaf Environmental is here to assist you. We offer a comprehensive range of services designed to keep your home or business environment healthy, allowing you to focus on the well-being of everyone inside.

If you're a property owner seeking peace of mind regarding mold, asbestos, lead, radon, or air quality issues, the skilled environmental team at Oak Leaf Environmental is here to assist you. We offer a comprehensive range of services designed to keep your home or business environment healthy, allowing you to focus on the well-being of everyone inside.


Avatar for P&G Environmental Inc. DBA SERVPRO of Adamstown, Mohnton

P&G Environmental Inc. DBA SERVPRO of Adamstown, Mohnton

195 Willow St
5.00(
1
)
Approved Pro

P&G Environmental Inc. DBA SERVPRO of Adamstown, Mohnton

195 Willow St
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. 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, so please ask us for references

"I dealt with a gentleman named Kevin Paul for a mold inspection in our bathroom. Kevin came highly recommended so I used him. Kevin came out in a timely manner and was very pleasant to deal with ."

Kathleen H on July 2022

We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. 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, so please ask us for references

"I dealt with a gentleman named Kevin Paul for a mold inspection in our bathroom. Kevin came highly recommended so I used him. Kevin came out in a timely manner and was very pleasant to deal with ."

Kathleen H on July 2022


Avatar for SIS Mold & Home Inspections

SIS Mold & Home Inspections

1172 Skelp Level Rd
5.00(
2
)
Approved Pro

SIS Mold & Home Inspections

1172 Skelp Level Rd
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 Mold Test Company PA

Mold Test Company PA

PO Box 14
4.18(
110
)
Approved Pro

Mold Test Company PA

PO Box 14
4.18(
110
)
Approved Pro
Customers say: Quick response
290 local quotes requested
17 years of experience

When you have mold, making the correct decisions right away is critical. Whether it is mold in your home, school, place of work, or apartment there are many factors to consider. Are you going to be involved in a mold lawsuit? Will you be seeking property damages? Is anyone sick from mold exposure? Will you be seeking medical damages? Will you need expert witnesses? If so, what kind? Do you just want to test to be sure your environment is safe? Do you need post mold remediation testing to ensure a good job was done? These and other factors are questions which need to be answered before any environmental testing starts. It is important to know what your goals are and why your testing. Different goals require different environmental tests, i.e. medical damages and property damages require different environmental tests to prove your case in court. Tests that a common, or inexperienced, mold inspector would not typically use or know to use.

"The mold testing is fine. The mold remediation company is very sketchy. Just buy some air purifiers."

Dan T on June 2024

When you have mold, making the correct decisions right away is critical. Whether it is mold in your home, school, place of work, or apartment there are many factors to consider. Are you going to be involved in a mold lawsuit? Will you be seeking property damages? Is anyone sick from mold exposure? Will you be seeking medical damages? Will you need expert witnesses? If so, what kind? Do you just want to test to be sure your environment is safe? Do you need post mold remediation testing to ensure a good job was done? These and other factors are questions which need to be answered before any environmental testing starts. It is important to know what your goals are and why your testing. Different goals require different environmental tests, i.e. medical damages and property damages require different environmental tests to prove your case in court. Tests that a common, or inexperienced, mold inspector would not typically use or know to use.

"The mold testing is fine. The mold remediation company is very sketchy. Just buy some air purifiers."

Dan T on June 2024


Avatar for The Radon Bros LLC

The Radon Bros LLC

2522 Deep Creek Rd
4.88(
12
)
Approved Pro

The Radon Bros LLC

2522 Deep Creek Rd
4.88(
12
)
Approved Pro
Super Service Award
Customers say: Quick response
314 local quotes requested
1 years of experience

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.

"Brian from The Radon Bros LLC was fantastic, did a great job, provided explanations about his equipment, what he was doing and what the process entailed."

Megan C on October 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.

"Brian from The Radon Bros LLC was fantastic, did a great job, provided explanations about his equipment, what he was doing and what the process entailed."

Megan C on October 2025


The Mold Removers LLC

24 S Spruce St
5.00(
3
)

The Mold Removers LLC

24 S Spruce St
5.00(
3
)
Customers say: Quick response
1 years of experience

We are a small business with a lot of experience. We don't treat you like a number. You are our only focus. We specialize in mold remediation . We come in and make a terrible situation a healthier home than before.

"They did a great job thank you!"

Mary B on September 2025

We are a small business with a lot of experience. We don't treat you like a number. You are our only focus. We specialize in mold remediation . We come in and make a terrible situation a healthier home than before.

"They did a great job thank you!"

Mary B on September 2025


'58 Foundations & Waterproofing

74 1ST AVE
5.00(
1
)

'58 Foundations & Waterproofing

74 1ST AVE
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

For more than 60 years, ’58 Foundations & Waterproofing has provided the highest-quality basement waterproofing, crawlspace encapsulation, radon mitigation, mold removal and foundation repair solutions for homes and commercial properties. We lead with a promise of Trusted Five-Star Service, which means the customer experience is at the center of everything we do. Since 1958, we have been steadfast in keeping this promise and in upholding the values on which '58 Foundations was built: trust, teamwork, integrity, respect and communication. This comes across in all that we do: from the initial call to job completion, our customers are met with a knowledgeable, caring, and professional staff prepared to offer a five-star experience that is unmatched in the home repair industry.

"Our home is about 100 years old and has a stone foundation. Water has been an issue in the basement for far longer than we have owned the home. In three days '58 Foundations installed a drain, pump and sealed the walls. It has been six months and there has been absolutely no signs of water or other moisture in the basement. We are extremely happy with the service they provided."

Jim H on June 2022

For more than 60 years, ’58 Foundations & Waterproofing has provided the highest-quality basement waterproofing, crawlspace encapsulation, radon mitigation, mold removal and foundation repair solutions for homes and commercial properties. We lead with a promise of Trusted Five-Star Service, which means the customer experience is at the center of everything we do. Since 1958, we have been steadfast in keeping this promise and in upholding the values on which '58 Foundations was built: trust, teamwork, integrity, respect and communication. This comes across in all that we do: from the initial call to job completion, our customers are met with a knowledgeable, caring, and professional staff prepared to offer a five-star experience that is unmatched in the home repair industry.

"Our home is about 100 years old and has a stone foundation. Water has been an issue in the basement for far longer than we have owned the home. In three days '58 Foundations installed a drain, pump and sealed the walls. It has been six months and there has been absolutely no signs of water or other moisture in the basement. We are extremely happy with the service they provided."

Jim H on June 2022


A Waterproofing Solution, Inc.

630 Freedom Business Ctr Dr
4.85(
13
)

A Waterproofing Solution, Inc.

630 Freedom Business Ctr Dr
4.85(
13
)
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

Most basement waterproofing companies today are one dimensional, resulting in high pressure zero transparency sales methods that benefit the company not the customer. The one size fits all approach to basement waterproofing has no value to the customer. Our vision, is to custom tailor individual needs by taking a consulting roll, using experience and knowledge to find the best solution for your project. We also use the latest technology in diagnosing the issue and designing systems that function for the life time of your home. Basement waterproofing interior/exterior, foundation repair, mold remediation, crawlspace encapsulation, water and smoke damage restoration, basement egress Milestones and Success A+ Waterproofing Solutions founders have completed over 20,000 projects throughout Pennsylvania, New Jersey and Delaware. Experience, both in the trenches and years of technical design have fueled our success. Mission Statement Our mission is to revolutionize the waterproofing industry by operating with honor and Integrity in the pursuit of doing whats right for the homeowner.

"A Waterproofing Solution did an over the top job. The workers arrived on time, did the job and cleaned up af the end of each day. The men who came out in the beginning of this project were very prepared, explained the process and offered Veteran’s discount. They also explained how to get financing if needed. There were several heavy rains since the drain and pump were installed and the basement remained dry. Such a relief. Highly recommend this company. We had 5 estimates and chose A Waterproofing Solutions. We made the fight choice."

Bernadette B on November 2020

Most basement waterproofing companies today are one dimensional, resulting in high pressure zero transparency sales methods that benefit the company not the customer. The one size fits all approach to basement waterproofing has no value to the customer. Our vision, is to custom tailor individual needs by taking a consulting roll, using experience and knowledge to find the best solution for your project. We also use the latest technology in diagnosing the issue and designing systems that function for the life time of your home. Basement waterproofing interior/exterior, foundation repair, mold remediation, crawlspace encapsulation, water and smoke damage restoration, basement egress Milestones and Success A+ Waterproofing Solutions founders have completed over 20,000 projects throughout Pennsylvania, New Jersey and Delaware. Experience, both in the trenches and years of technical design have fueled our success. Mission Statement Our mission is to revolutionize the waterproofing industry by operating with honor and Integrity in the pursuit of doing whats right for the homeowner.

"A Waterproofing Solution did an over the top job. The workers arrived on time, did the job and cleaned up af the end of each day. The men who came out in the beginning of this project were very prepared, explained the process and offered Veteran’s discount. They also explained how to get financing if needed. There were several heavy rains since the drain and pump were installed and the basement remained dry. Such a relief. Highly recommend this company. We had 5 estimates and chose A Waterproofing Solutions. We made the fight choice."

Bernadette B on November 2020


DuctGurus LLC

360 Hemlock Ln
5.00(
10
)

DuctGurus LLC

360 Hemlock Ln
5.00(
10
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

DuctGurus LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty, and professional responsibility. Our distinction is the quality of service we bring to our customers. We are CSIA certified. 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.

"I could not have asked for a better service. They announced they were on the way. James and Glenn were absolutely amazing They were professional and friendly. Answered all of our questions. And showed us before and after pics! Wow! What a difference! So I’m also impressed with the quality of the work. I will definitely have them back in a few years to clean the ducts again .. 5 stars ⭐️"

Karen S on November 2023

DuctGurus LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty, and professional responsibility. Our distinction is the quality of service we bring to our customers. We are CSIA certified. 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.

"I could not have asked for a better service. They announced they were on the way. James and Glenn were absolutely amazing They were professional and friendly. Answered all of our questions. And showed us before and after pics! Wow! What a difference! So I’m also impressed with the quality of the work. I will definitely have them back in a few years to clean the ducts again .. 5 stars ⭐️"

Karen S on November 2023

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Mold Testing and Remediation questions, answered by experts

One of the first signs of mold in an air conditioner is a musty smell. You're likely to notice the smell when the unit runs, from the air coming out of the vents or the unit itself. You may also be able to see mold growing on the unit, such as near the condenser coils or by the fan. In some cases, there may be visible mold by the vents.

Mold inspections are worth it because they can catch troublesome mold problems early before they get out of hand. It's worth it to address mold problems as soon as possible because mold can be hazardous to your health and cause damage to your home and its belongings. Mold testing and inspections are the best way to know if you have a mold issue in your house.

Checking for mold yourself is crucial, as catching mold in the early stages is ideal. Mold can appear green, brown, black, blue, or yellow. It can smell musty and can feel like velvet, leather, or cotton. 

Most often, mold grows near water damage. It’s best to inspect these places for signs of mold growth:

  • Basement: Look in corners, windows, carpet, closets, and around appliances. 

  • Bathrooms: Check around sinks, ceilings, and around toilets. 

  • Kitchen: Inspect around the sink, behind the refrigerator, and behind trash can.

  • Attic: Look near the insulation and near intake and exhaust vents.

Mold doesn’t take long to form, especially in dark, isolated areas like under the floorboards, where you’re less likely to know it’s wet in the first place. Mold can take root and proliferate in just 24 to 48 hours, but it can be up to a week before you start to notice funky smells. 

Mold behind drywall can be difficult to assess without removing the building material, but you may notice stains on your ceilings or walls if the mold growth is bad enough. Other signs include allergy symptoms and musty odors in your living space. If you suspect mold behind drywall after a leak, hire a water damage restoration professional to assess and address the damage.

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The Terre Hill, PA homeowners’ guide to mold testing and remediation services

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