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Find Radon gas abatement pros in West Harrison

Avatar for MDL Radon Mitigation and Measurement LLC

MDL Radon Mitigation and Measurement LLC

4.95(
33
)
Approved Pro

MDL Radon Mitigation and Measurement LLC

4.95(
33
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
8 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Excellent service and results! Doug was very knowledgeable, very easy to talk to, very thorough and detail oriented. He made improvements to my existing system and greatly increased efficiency with immediately noticeable results. He treated my home with respect and left the work area cleaner than when he started. Very happy with the results and highly recommend!"

Al D on May 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Excellent service and results! Doug was very knowledgeable, very easy to talk to, very thorough and detail oriented. He made improvements to my existing system and greatly increased efficiency with immediately noticeable results. He treated my home with respect and left the work area cleaner than when he started. Very happy with the results and highly recommend!"

Al D on May 2025


Avatar for Lance Dorfi, LLC

Lance Dorfi, LLC

4.82(
59
)
Approved Pro

Lance Dorfi, LLC

4.82(
59
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
16 years of experience

At Lance Dorfi, LLC, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next home improvement project, no matter how small or large the project. We welcome your questions and thank you for your interest.

"They did a great job"

Robert G on May 2025

At Lance Dorfi, LLC, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next home improvement project, no matter how small or large the project. We welcome your questions and thank you for your interest.

"They did a great job"

Robert G on May 2025


"Peter and his team were very thorough in assessing and remediating my mold problem. His staff was very knowledgeable, professional and courteous throughout the process. Issue was identified , remediated and contained with modern state of the art equipment."

Greg Deli D on November 2023

We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.

"Peter and his team were very thorough in assessing and remediating my mold problem. His staff was very knowledgeable, professional and courteous throughout the process. Issue was identified , remediated and contained with modern state of the art equipment."

Greg Deli D on November 2023


Avatar for Inspect This Home Inspections LLC

Inspect This Home Inspections LLC

4.99(
332
)

Inspect This Home Inspections LLC

4.99(
332
)
Customers say: Quick response
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers

US Army Veteran Owned and Operated. Inspect This Home Inspections LLC realizes that the purchase of a home is probably the largest and most exciting investment you will ever make. Don't let your dream house become a Night -Mare on Elm St. A home inspection will help you learn as much as you can about the property you are considering buying. Let us give you the tools to help you make a more informed decision as a buyer. Lou Rubino is a licensed home inspector provides fast and reliable Home Inspections and Pre-Construction Survey for builders in New York, NY and the local area . With a quick report turn around usually in two days or less for a house 2,000 sq ft and under. Call at 516-330-3870 to make your appointment

"Lou is a thorough, methodical, and detail oriented professional. Will recommend. Thank you!"

Alex V on August 2024

US Army Veteran Owned and Operated. Inspect This Home Inspections LLC realizes that the purchase of a home is probably the largest and most exciting investment you will ever make. Don't let your dream house become a Night -Mare on Elm St. A home inspection will help you learn as much as you can about the property you are considering buying. Let us give you the tools to help you make a more informed decision as a buyer. Lou Rubino is a licensed home inspector provides fast and reliable Home Inspections and Pre-Construction Survey for builders in New York, NY and the local area . With a quick report turn around usually in two days or less for a house 2,000 sq ft and under. Call at 516-330-3870 to make your appointment

"Lou is a thorough, methodical, and detail oriented professional. Will recommend. Thank you!"

Alex V on August 2024


Avatar for Above Grade Home Inspections Inc

Above Grade Home Inspections Inc

4.97(
287
)

Above Grade Home Inspections Inc

4.97(
287
)
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

***2018 & 2019 Super Service Winner*** For over 21 years Above Grade has been providing New York State with the highest quality residential home inspections available. We don’t stop at a clip board and industry certifications, we combine our extensive knowledge of the inspection industry with the latest technology to create inspections with unsurpassed thoroughness and accuracy. Above Grade is Veteran owned and operated.Call us at 845-527-0111

"Chuck and Noah, are amazing to work with. They communicate extremely well and are honest. They did a home inspection Saturday morning for me. Thankfully I asked them to do a full septic inspection, not just a dye test. They found the septic system, needing major work. To the point, my bank won't approve the loan. the house failed before they even got inside it. When trying to explain to the home own, (who is also the listing agent) what was wrong, and why it needed to be fixed. All this lady did was rudely speaking over him, to the point she was mad at him for finding it. She would ask why it failed and as soon as chuck would begin to explain, she would start yelling over him, how it was fine. She must of ask half a dozen times for him to explain, for her to start arguing as soon as he spoke. I don't know how Chuck was able to be so calm and professional. I would have hit the lady, getting in my face like that. Chuck, was instead calm,kind and professional. "

Seraph M on November 2025

***2018 & 2019 Super Service Winner*** For over 21 years Above Grade has been providing New York State with the highest quality residential home inspections available. We don’t stop at a clip board and industry certifications, we combine our extensive knowledge of the inspection industry with the latest technology to create inspections with unsurpassed thoroughness and accuracy. Above Grade is Veteran owned and operated.Call us at 845-527-0111

"Chuck and Noah, are amazing to work with. They communicate extremely well and are honest. They did a home inspection Saturday morning for me. Thankfully I asked them to do a full septic inspection, not just a dye test. They found the septic system, needing major work. To the point, my bank won't approve the loan. the house failed before they even got inside it. When trying to explain to the home own, (who is also the listing agent) what was wrong, and why it needed to be fixed. All this lady did was rudely speaking over him, to the point she was mad at him for finding it. She would ask why it failed and as soon as chuck would begin to explain, she would start yelling over him, how it was fine. She must of ask half a dozen times for him to explain, for her to start arguing as soon as he spoke. I don't know how Chuck was able to be so calm and professional. I would have hit the lady, getting in my face like that. Chuck, was instead calm,kind and professional. "

Seraph M on November 2025


"Andy was excellent and I could not recommend him enough. Andy is extremely thorough and truly leaves no stone unturned. He is a wealth of knowledge through his decades of experience and is a true professional. Andy does not only inspect your home- he educates you every aspect of your home , construction, electrical work, plumbing, and safety. Andy has a true passion for his work and I could not imagine a better home inspector."

Jesse A on January 2026

Premier Home Inspection company servicing Westchester, Rockland and Putnam Counties. Full service offering home inspections, radon testing, Wood Destroying insect inspections, septic dye testing, water analysis

"Andy was excellent and I could not recommend him enough. Andy is extremely thorough and truly leaves no stone unturned. He is a wealth of knowledge through his decades of experience and is a true professional. Andy does not only inspect your home- he educates you every aspect of your home , construction, electrical work, plumbing, and safety. Andy has a true passion for his work and I could not imagine a better home inspector."

Jesse A on January 2026


Avatar for True View Home Inspections

True View Home Inspections

4.89(
136
)

True View Home Inspections

4.89(
136
)
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

You deserve to really know your future home. At True View Home Inspections, we believe in providing you with the opportunity to “Get to Know” the place where you will eat your meals, raise your family and spend the majority of your time. Buying a home is a huge investment; you can rely on us for our comprehensive, unbiased knowledge. True View provides you with the objective insight that you will not get anywhere else. Our clear, detailed inspection reports and professionalism, will give you the comfort you needed during the home buying process. The “True View” of your future property will protect your investment, your interests and your peace of mind. For the best view, call True View. Services include: Buyer's Inspection, Pre-Listing Inspection, New Construction Inspection, Termite Inspection, Radon Inspection, Mold Inspection, Asbestos Inspection.

"My wife and I are first time home buyers, and we are extremely happy we ended up using True View for our inspection. Evan Weiss was our inspector, and he was absolutely fantastic. He was over 20 minutes early and got us started ahead of time. He was unbelievably thorough, and for first time buyers, he made sure we understood every note that he made. He went out of his way to make sure we were good before moving on to other parts of the house. He also had great advice for general things to keep in mind for maintenance and other tips for first time home owners. If you're thinking about using True View, I suggest you pick up the phone and book them today. We're so happy that we did, and in particular, we're so happy Evan was our inspector."

David M on November 2019

You deserve to really know your future home. At True View Home Inspections, we believe in providing you with the opportunity to “Get to Know” the place where you will eat your meals, raise your family and spend the majority of your time. Buying a home is a huge investment; you can rely on us for our comprehensive, unbiased knowledge. True View provides you with the objective insight that you will not get anywhere else. Our clear, detailed inspection reports and professionalism, will give you the comfort you needed during the home buying process. The “True View” of your future property will protect your investment, your interests and your peace of mind. For the best view, call True View. Services include: Buyer's Inspection, Pre-Listing Inspection, New Construction Inspection, Termite Inspection, Radon Inspection, Mold Inspection, Asbestos Inspection.

"My wife and I are first time home buyers, and we are extremely happy we ended up using True View for our inspection. Evan Weiss was our inspector, and he was absolutely fantastic. He was over 20 minutes early and got us started ahead of time. He was unbelievably thorough, and for first time buyers, he made sure we understood every note that he made. He went out of his way to make sure we were good before moving on to other parts of the house. He also had great advice for general things to keep in mind for maintenance and other tips for first time home owners. If you're thinking about using True View, I suggest you pick up the phone and book them today. We're so happy that we did, and in particular, we're so happy Evan was our inspector."

David M on November 2019


Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018


Avatar for Garrie Pest Control

Garrie Pest Control

4.70(
206
)

Garrie Pest Control

4.70(
206
)
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

Garrie Pest Control is a Full service pest control company which has been providing state-of-the-art pest control to the Tri-State area for over 40 years. We are one of a select group of companies authorized to provide the Sentricon* System which totally eliminates termite colonies using ounces of low toxicity pesticide.

"They are very nasty / rude and not professional on the phone. When we call, it takes almost a week for them to show up. We recently called and scheduled for a date and when they Didn’t show up we called them again and they said no one called to schedule anything and we’re very rude about it. I’ve been a client with them for just over 3 years. The first year was amazing service but the last 2 years is making me look into other options."

Sholom R on June 2022

Garrie Pest Control is a Full service pest control company which has been providing state-of-the-art pest control to the Tri-State area for over 40 years. We are one of a select group of companies authorized to provide the Sentricon* System which totally eliminates termite colonies using ounces of low toxicity pesticide.

"They are very nasty / rude and not professional on the phone. When we call, it takes almost a week for them to show up. We recently called and scheduled for a date and when they Didn’t show up we called them again and they said no one called to schedule anything and we’re very rude about it. I’ve been a client with them for just over 3 years. The first year was amazing service but the last 2 years is making me look into other options."

Sholom R on June 2022


Avatar for RTK Environmental Group

RTK Environmental Group

4.80(
61
)

RTK Environmental Group

4.80(
61
)
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

RTK only performs environmental testing and not remediation or removal, therefore our results are accurate and unbiased since there is no conflict of interest. We provide mold testing and inspection, asbestos testing, indoor air quality testing, lead testing, soil testing, water testing, and environmental home inspections. We do not provide general whole house home inspections. We service all of Connecticut, southern New York and the Hudson Valley, Long Island, and northern New Jersey.

"I was pleased with the work Lidia Crespo did. She was very pleasant to deal with. She seemed knowledgeable. I was pleased with her work."

Florence C on September 2020

RTK only performs environmental testing and not remediation or removal, therefore our results are accurate and unbiased since there is no conflict of interest. We provide mold testing and inspection, asbestos testing, indoor air quality testing, lead testing, soil testing, water testing, and environmental home inspections. We do not provide general whole house home inspections. We service all of Connecticut, southern New York and the Hudson Valley, Long Island, and northern New Jersey.

"I was pleased with the work Lidia Crespo did. She was very pleasant to deal with. She seemed knowledgeable. I was pleased with her work."

Florence C on September 2020

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FAQs for radon gas abatement projects in West Harrison, NY

The only way to know whether your home or water supply contains radon is to schedule a professional test. A qualified radon inspector will collect samples, deliver lab-verified results, and explain the findings for $150 to $800. Once you know your exact levels, you and your radon mitigation pro can choose the right system and tackle the problem before it affects your family’s health.

Both roles tackle radon, but they focus on different steps. Inspectors test your home, interpret the results, and determine whether levels exceed EPA guidelines. Mitigation pros design and install the system that lowers those levels. Some companies do both, but the skills and equipment differ, so always verify that the person you hire is properly certified for the specific service you need.

Installing a mitigation unit fixes radon problems by reducing indoor gas levels to established safe standards. A system designed and installed by a mitigation expert, tailored to your home's specific layout and foundation, guarantees effective radon reduction. This expert installation ensures consistent performance over time while safeguarding your indoor air quality.

Open windows and doors do not reduce radon levels because they trigger a pressure imbalance that draws radon-laden air into your home. This practice fails to control radon concentration and can even worsen the issue. An active suction mitigation system provides a proven, safe, and effective solution to reliably reduce radon levels.

Radon mitigation systems generally last between 10 and 30 years, depending on system type and maintenance. Passive systems endure the longest because they have no moving parts, whereas active systems, which use a fan, require fan replacement every 5 to 10 years. System components, such as PVC pipes, seals, and fittings, can remain effective for decades when paired with periodic inspections and proper maintenance.

Radon mitigation systems consume between 300 and 3,000 kWh of electricity per year, depending on fan size and system design. On average, an active radon fan draws 100 to 300 watts continuously, which translates to roughly 876 kWh annually, and adds $30 to $300 to your energy bill each year. Choosing a high-efficiency fan and ensuring tight sealing around pipes helps minimize these ongoing costs.

The West Harrison, NY homeowners’ guide to radon gas abatements

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