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Mold & toxic material testers in Johnstown

Avatar for Advantage Remediation Services

Advantage Remediation Services

302 E Main St
5.00(
4
)
•Approved Pro

Advantage Remediation Services

302 E Main St
5.00(
4
)
•Approved Pro
Customers say: Quick response
Free onsite estimate
Emergency services offered

We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a locally owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!

"The professional came within a few days of trying to schedule. They were efficient and left everything clean and neat. I look forward to a non-allergenic heating season."

Ellen S on September 2025

We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a locally owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!

"The professional came within a few days of trying to schedule. They were efficient and left everything clean and neat. I look forward to a non-allergenic heating season."

Ellen S on September 2025

Avatar for Bactronix of Southwest PA

Bactronix of Southwest PA

227 Ridgeview Rd
4.78(
45
)
•Approved Pro

Bactronix of Southwest PA

227 Ridgeview Rd
4.78(
45
)
•Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
24 local quotes requested

Bactronix of Southwest PA is a locally owned and operated company that values honesty and integrity by treating your home as if it were our own. We offer a variety of biological safety improvements for your home. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. All products used during our application process are EPA registered, non-toxic and green. We look forward to building long lasting relationships through customer service and satisfaction. Bactronix is an "A" rated company by the Better Business Bureau (BBB). We offer : *Professionally written Bionomic Assessment Reports *Moisture Assessment services *Mold, odor, and bacteria control services *Smoke and odor treatment services *"Sick Home Syndrome" evaluation *Air duct testing and treatment services.

"they were very professional and responded to solve my issue. The tech arrived on time and was very knowledgeable. the estimate was right on. i would highly recommend them. "

George B on July 2025

Bactronix of Southwest PA is a locally owned and operated company that values honesty and integrity by treating your home as if it were our own. We offer a variety of biological safety improvements for your home. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. All products used during our application process are EPA registered, non-toxic and green. We look forward to building long lasting relationships through customer service and satisfaction. Bactronix is an "A" rated company by the Better Business Bureau (BBB). We offer : *Professionally written Bionomic Assessment Reports *Moisture Assessment services *Mold, odor, and bacteria control services *Smoke and odor treatment services *"Sick Home Syndrome" evaluation *Air duct testing and treatment services.

"they were very professional and responded to solve my issue. The tech arrived on time and was very knowledgeable. the estimate was right on. i would highly recommend them. "

George B on July 2025

Avatar for Oak Leaf Environmental

Oak Leaf Environmental

409 S Pennsylvania Ave
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Oak Leaf Environmental

409 S Pennsylvania Ave
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
953 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 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
5012 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

Moldlab

2501 Mayes Road
4.66(
401
)

Moldlab

2501 Mayes Road
4.66(
401
)
Customers say: True professional
25 years of experience

Mold identification, mold test kits and testing supplies. If you suspect you have a mold problem give us a call toll free and we can walk you through your testing options.

"The self-test product was as expected. The reports require additional research to interpret and understand, so seemed more targeted at professionals."

Jessica H on February 2018

Mold identification, mold test kits and testing supplies. If you suspect you have a mold problem give us a call toll free and we can walk you through your testing options.

"The self-test product was as expected. The reports require additional research to interpret and understand, so seemed more targeted at professionals."

Jessica H on February 2018

Global Plasma Solutions

10 Mall Terrace
5.00(
1
)

Global Plasma Solutions

10 Mall Terrace
5.00(
1
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Global Plasma Solutions is a manufacturing company that sells air purification systems primarily into the commercial and residential markets. Home owners can benenfit from our systems as they are easily adapted to any HVAC system. Go to www.gpshvac.com to find a certified contractor near you to have one installed within your home.

Global Plasma Solutions is a manufacturing company that sells air purification systems primarily into the commercial and residential markets. Home owners can benenfit from our systems as they are easily adapted to any HVAC system. Go to www.gpshvac.com to find a certified contractor near you to have one installed within your home.

Mountain View Restoration

No reviews yet

Mountain View Restoration

No reviews yet
15 years of experience

Mountain View Restoration out of Jim Thorpe, PA is available 24/7 for emergency services...After a fire or flood call, 570-266-5106 and we will do the rest...We handle everything from securing your home or business to contacting your insurance company...You will be treated like family..One call does it all..570-266-5106.

Mountain View Restoration out of Jim Thorpe, PA is available 24/7 for emergency services...After a fire or flood call, 570-266-5106 and we will do the rest...We handle everything from securing your home or business to contacting your insurance company...You will be treated like family..One call does it all..570-266-5106.

Analytical Hygienist & Home Inspection Services

P.O. Box 1241
No reviews yet

Analytical Hygienist & Home Inspection Services

P.O. Box 1241
No reviews yet
20 years of experience

We are a home inspection company affiliated with Internachi home inspectors. We are graduates of the American Home Inspectors Training Institute as well. I am also an Industrial Hygienist licensed in PA. I am available to perform Asbestos testing, bulk sampling, and air monitoring by P.C.M. and T.E.M.microscope investigation. I am also a Lead Hazard Risk Assessor and Lead Hazard Control Inspector licensed by the PA Dept of Labor and Industry.

We are a home inspection company affiliated with Internachi home inspectors. We are graduates of the American Home Inspectors Training Institute as well. I am also an Industrial Hygienist licensed in PA. I am available to perform Asbestos testing, bulk sampling, and air monitoring by P.C.M. and T.E.M.microscope investigation. I am also a Lead Hazard Risk Assessor and Lead Hazard Control Inspector licensed by the PA Dept of Labor and Industry.

Davis Home Inspection LLC

19 Colonnade Way
No reviews yet

Davis Home Inspection LLC

19 Colonnade Way
No reviews yet
14 years of experience

Davis Home Inspection, LLC is the premier home inspection company in the State College, Centre County area. We offer many great services that are designed to help inform, and educate you, our customer. As Certified Master Indoor Environmental Specialists and Green Energy Consultants you can utilize our knowledge about many other factors beyond just the scope of the structural inspection. Services We Offer: PRE-LISTING HOME INSPECTION BUYER HOME INSPECTION REVIEW INSPECTIONS TOWN HOME INSPECTIONS CONDOMINIUM INSPECTIONS DUPLEX INSPECTIONS HOME PRESERVATION INSPECTIONS RADON TESTING MOLD INSPECTION AND ASSESSMENTS INDOOR AIR QUALITY TESTING POOLS AND SPAS WATER TESTING SEPTIC ANALYSIS PHASE 1 ENVIRONMENTAL SITE ASSESSMENT

Davis Home Inspection, LLC is the premier home inspection company in the State College, Centre County area. We offer many great services that are designed to help inform, and educate you, our customer. As Certified Master Indoor Environmental Specialists and Green Energy Consultants you can utilize our knowledge about many other factors beyond just the scope of the structural inspection. Services We Offer: PRE-LISTING HOME INSPECTION BUYER HOME INSPECTION REVIEW INSPECTIONS TOWN HOME INSPECTIONS CONDOMINIUM INSPECTIONS DUPLEX INSPECTIONS HOME PRESERVATION INSPECTIONS RADON TESTING MOLD INSPECTION AND ASSESSMENTS INDOOR AIR QUALITY TESTING POOLS AND SPAS WATER TESTING SEPTIC ANALYSIS PHASE 1 ENVIRONMENTAL SITE ASSESSMENT

EnviroHealth Consulting Inc.

4.71(
7
)

EnviroHealth Consulting Inc.

4.71(
7
)
Customers say: Quick response
31 years of experience

EnviroHealth Consulting, Inc., offers a house-apartment-office screening inspection relating to health concerns linked with environmental issues - for persons with asthmatic or allergic reactions, sleep difficulties, inflammatory conditions, cancer, etc., - and for well individuals and concerned parents who want peace of mind that their homes are healthy.

EnviroHealth Consulting, Inc., offers a house-apartment-office screening inspection relating to health concerns linked with environmental issues - for persons with asthmatic or allergic reactions, sleep difficulties, inflammatory conditions, cancer, etc., - and for well individuals and concerned parents who want peace of mind that their homes are healthy.

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FAQs for mold & toxic material test projects in Johnstown, PA

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The Johnstown, PA homeowners’ guide to mold & toxic material tests

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

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