Top-rated indoor air quality testers.

Get matched with top indoor air quality testers in your area

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Indoor air quality testers in Holtsville

Avatar for Quality Air Testing LLC
Quality Air Testing LLC
P.O Box 135
5.00(
6
)
Approved Pro
Quality Air Testing LLC
P.O Box 135
5.00(
6
)
Approved Pro
3 years of experience
Free onsite estimate

We are a 3rd party testing service tailored for pharmaceutical, food processing, beverage, fire services, and cannabis. We test specifically for ISO-8573, environmental monitoring that provide A2LA certified reports are designed to meet for auditors specifications for FDA, SQF, BCAS, NFPA 1989, OSHA, and ISPE compliance. Our testing services are designed to pro-actively help your production, quality team and facility management run smoothly without interruption.

"Great company to work with. Response rate was very prompt, team was professional and exceeded my expectations and the needs of my small business. I would highly recommend using them for your needs!! "

Julio o on February 2025

We are a 3rd party testing service tailored for pharmaceutical, food processing, beverage, fire services, and cannabis. We test specifically for ISO-8573, environmental monitoring that provide A2LA certified reports are designed to meet for auditors specifications for FDA, SQF, BCAS, NFPA 1989, OSHA, and ISPE compliance. Our testing services are designed to pro-actively help your production, quality team and facility management run smoothly without interruption.

"Great company to work with. Response rate was very prompt, team was professional and exceeded my expectations and the needs of my small business. I would highly recommend using them for your needs!! "

Julio o on February 2025


Jet Environmental Testing, Inc.
114 Wedgwood Dr
4.57(
7
)
Approved Pro
Jet Environmental Testing, Inc.
114 Wedgwood Dr
4.57(
7
)
Approved Pro
Customers say: Quick response
27 years of experience
Free onsite estimate

With over 25 years of experience with toxic materials testing, Jet Environmental Testing, Inc., is who you should use to test your home. We handle everything from the initial consultation to making sure we thoroughly test your property for toxins every single time. We will always treat your property as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. Give our team a call today. We're looking forward to working with you!

"He came and was very helpful and knowledgeable. He also was very accommodating to my schedule "

Jeffrey C on June 2025

With over 25 years of experience with toxic materials testing, Jet Environmental Testing, Inc., is who you should use to test your home. We handle everything from the initial consultation to making sure we thoroughly test your property for toxins every single time. We will always treat your property as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. Give our team a call today. We're looking forward to working with you!

"He came and was very helpful and knowledgeable. He also was very accommodating to my schedule "

Jeffrey C on June 2025


Avatar for Mold Test Company NY
Mold Test Company NY
62 Industrial Park Road
4.31(
73
)
Approved Pro
Mold Test Company NY
62 Industrial Park Road
4.31(
73
)
Approved Pro
Customers say: Quality work
290 local quotes requested
17 years of experience

At Mold Test Company NY, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Very professional, thorough and easy to work with"

Nicole B on March 2023

At Mold Test Company NY, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Very professional, thorough and easy to work with"

Nicole B on March 2023


Avatar for HealtheHabitats
HealtheHabitats
1602 Lakeland Avenue, Suite B
4.93(
44
)
Approved Pro
HealtheHabitats
1602 Lakeland Avenue, Suite B
4.93(
44
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
9 years of experience

healthEhabitats is an Indoor Environmental Health and Wellness company. After many years of providing infectious disease prevention strategies, services, and products to the medical industry, healthEhabitats has expanded its scope and brings its unique experience and programs into the residential and commercial arena. We focus on the three critical areas that affect your family's health within your homes and your businesses...the air you breath, the water you drink, and the surfaces you touch. We evaluate, test, and monitor the environmental elements of your home or business and then provide a comprehensive analysis and plan to better your quality of life.

"Mike was great to work with. We had an odor that we could not pinpoint inside of our facility. I reached out to Mike and he arrived at my business within an hour to help. He was thorough and professional. With his knowledge and expertise and sophisticated equipment, he was able to track down the issue within an hour and we were able to fix the issue that day. As a follow up, Mike was back the next morning at 5:30AM to guarantee his work. I would highly recommend healthEHabits!"

Josh R on October 2023

healthEhabitats is an Indoor Environmental Health and Wellness company. After many years of providing infectious disease prevention strategies, services, and products to the medical industry, healthEhabitats has expanded its scope and brings its unique experience and programs into the residential and commercial arena. We focus on the three critical areas that affect your family's health within your homes and your businesses...the air you breath, the water you drink, and the surfaces you touch. We evaluate, test, and monitor the environmental elements of your home or business and then provide a comprehensive analysis and plan to better your quality of life.

"Mike was great to work with. We had an odor that we could not pinpoint inside of our facility. I reached out to Mike and he arrived at my business within an hour to help. He was thorough and professional. With his knowledge and expertise and sophisticated equipment, he was able to track down the issue within an hour and we were able to fix the issue that day. As a follow up, Mike was back the next morning at 5:30AM to guarantee his work. I would highly recommend healthEHabits!"

Josh R on October 2023


Avatar for Hydro Contractors
Hydro Contractors
85-62 Littleneck Pkwy.
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
Hydro Contractors
85-62 Littleneck Pkwy.
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
144 local quotes requested
31 years of experience

Hello , allow me to introduce myself. My name is Jerry Burgos and I am the owner and operator of Hydro Contractor. We are a licensed and insured home remodeling company that specialize in all home restorations (from water, smoke, fire, etc), water removal, mold testing/remediation, and biohazard remediation, along with all phases of remodeling for your home/ business, kitchens, bathrooms, basements, and more! We are highly skilled in all aspects of the job, ranging from plumbing and heating, to electrical, to foundations, to flooring, to outdoor maintenance for your roofing or siding. We are your one stop shop for your home service needs! We offer emergency services and we work with all insurance companies! We make sure you are covered and you receive a 100% pay out, leaving you with no debt for your restoring of your home! No money out of pocket besides your deductible! I work very well with our customers to fulfill there needs as well to ensure that we are offering our best quality of workmanship. Give us a call! We are looking forward to meeting and offering our services! Thank You

Hello , allow me to introduce myself. My name is Jerry Burgos and I am the owner and operator of Hydro Contractor. We are a licensed and insured home remodeling company that specialize in all home restorations (from water, smoke, fire, etc), water removal, mold testing/remediation, and biohazard remediation, along with all phases of remodeling for your home/ business, kitchens, bathrooms, basements, and more! We are highly skilled in all aspects of the job, ranging from plumbing and heating, to electrical, to foundations, to flooring, to outdoor maintenance for your roofing or siding. We are your one stop shop for your home service needs! We offer emergency services and we work with all insurance companies! We make sure you are covered and you receive a 100% pay out, leaving you with no debt for your restoring of your home! No money out of pocket besides your deductible! I work very well with our customers to fulfill there needs as well to ensure that we are offering our best quality of workmanship. Give us a call! We are looking forward to meeting and offering our services! Thank You


Avatar for G-Tech Restoration, Inc.
G-Tech Restoration, Inc.
230 Knickerbocker Ave Ste E
5.00(
14
)
Approved Pro
G-Tech Restoration, Inc.
230 Knickerbocker Ave Ste E
5.00(
14
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
341 local quotes requested

G-Tech Restoration specializes in Fire-Water-Smoke-Mold disaster recovery. We will treat your home as if it were our own and guarantee all services provided. If you are filing an insurance claim for your fire-water-smoke-mold damage, let our experts help you facilitate the entire process removing the stress and discomfort when venturing into the unknown. We offer financing and provide senior citizen/military veteran discounts. Call today to setup your free inspection!

"I can’t say enough good things about G Tech Restoration. After our home was severely damaged by a flood, we were feeling overwhelmed and unsure of what to do next. From the moment their team arrived, they were professional, compassionate, and incredibly efficient. They assessed the damage quickly and explained every step of the cleanup process in a way that made us feel informed and reassured. The team worked tirelessly to remove the water, dry out our home, and prevent any potential mold growth. Their attention to detail and commitment to quality work were evident throughout the entire process. What really stood out was their excellent communication. We were always kept in the loop, and any questions we had were answered promptly. Don, the owner went above and beyond to ensure that our home was restored to its original condition, if not better. I highly recommend Don and his team at GC Tech Restoration for anyone in need of restoration services. They turned a very stressful situation into a manageable one, and we are incredibly grateful for their help. Thank you, G-Tech Restoration for your outstanding service!"

Alison B on June 2024

G-Tech Restoration specializes in Fire-Water-Smoke-Mold disaster recovery. We will treat your home as if it were our own and guarantee all services provided. If you are filing an insurance claim for your fire-water-smoke-mold damage, let our experts help you facilitate the entire process removing the stress and discomfort when venturing into the unknown. We offer financing and provide senior citizen/military veteran discounts. Call today to setup your free inspection!

"I can’t say enough good things about G Tech Restoration. After our home was severely damaged by a flood, we were feeling overwhelmed and unsure of what to do next. From the moment their team arrived, they were professional, compassionate, and incredibly efficient. They assessed the damage quickly and explained every step of the cleanup process in a way that made us feel informed and reassured. The team worked tirelessly to remove the water, dry out our home, and prevent any potential mold growth. Their attention to detail and commitment to quality work were evident throughout the entire process. What really stood out was their excellent communication. We were always kept in the loop, and any questions we had were answered promptly. Don, the owner went above and beyond to ensure that our home was restored to its original condition, if not better. I highly recommend Don and his team at GC Tech Restoration for anyone in need of restoration services. They turned a very stressful situation into a manageable one, and we are incredibly grateful for their help. Thank you, G-Tech Restoration for your outstanding service!"

Alison B on June 2024


Global Restoration Services, Inc.
360 Knickerbocker Ave
5.00(
20
)
Approved Pro
Global Restoration Services, Inc.
360 Knickerbocker Ave
5.00(
20
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
175 local quotes requested

With years of experience serving Ronkonkoma and surroundings area, Global Restoration Services, Inc. is your solution for all your mold removal needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Satisfaction guaranteed!

"I can’t express my gratitude enough for what this company did for my mother. Having an electrical fire at her house was scary enough. They were there from the moment we needed them and guided me through the entire process and made me understand each step. CuzWith precise efficiency they started the process of the cleanup that day and finished the projects In two weeks time. They were very professional and had great communication and customer service. I highly recommend this company above all."

Danielle W on August 2024

With years of experience serving Ronkonkoma and surroundings area, Global Restoration Services, Inc. is your solution for all your mold removal needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Satisfaction guaranteed!

"I can’t express my gratitude enough for what this company did for my mother. Having an electrical fire at her house was scary enough. They were there from the moment we needed them and guided me through the entire process and made me understand each step. CuzWith precise efficiency they started the process of the cleanup that day and finished the projects In two weeks time. They were very professional and had great communication and customer service. I highly recommend this company above all."

Danielle W on August 2024


Avatar for Northeastern Environmental Testing, Inc.
Northeastern Environmental Testing, Inc.
380 Main St
5.00(
2
)
Approved Pro
Northeastern Environmental Testing, Inc.
380 Main St
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
379 local quotes requested

Northeastern Environmental Testing specializes in environmental consultation & testing. Our expert team will treat your home as if it was our own. Navigating the remediation plan together until your home is good as new. We offer 24/7 service please call to set up your inspection today!

"I was very pleased with the service I received from this business. Ahran Kilmeade went above and beyond to help me. I highly recommend him and his company to anyone looking for professional work and excellent service."

Howard R on March 2024

Northeastern Environmental Testing specializes in environmental consultation & testing. Our expert team will treat your home as if it was our own. Navigating the remediation plan together until your home is good as new. We offer 24/7 service please call to set up your inspection today!

"I was very pleased with the service I received from this business. Ahran Kilmeade went above and beyond to help me. I highly recommend him and his company to anyone looking for professional work and excellent service."

Howard R on March 2024


Avatar for METRO MOLD INSPECTIONS LLC
METRO MOLD INSPECTIONS LLC
97-23 134th Avenue
5.00(
2
)
Approved Pro
METRO MOLD INSPECTIONS LLC
97-23 134th Avenue
5.00(
2
)
Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
339 local quotes requested

At Metro Mold Inspections LLC, we specialize in mold testing services. Our team is dedicated to safeguarding homes and businesses from the damaging effects of mold. Choose Metro Mold Inspections LLC for reliable, efficient, and compassionate testing and inspection services. We’re committed to restoring peace of mind and protecting your property.

"Exceptional Mold Inspection Service Ryan conducted an exceptionally thorough inspection, uncovering and documenting areas impacted by water leaks that I hadn't even realized were affected. His attention to detail and comprehensive approach were truly impressive. Thank you for the outstanding service!"

Josh G on August 2024

At Metro Mold Inspections LLC, we specialize in mold testing services. Our team is dedicated to safeguarding homes and businesses from the damaging effects of mold. Choose Metro Mold Inspections LLC for reliable, efficient, and compassionate testing and inspection services. We’re committed to restoring peace of mind and protecting your property.

"Exceptional Mold Inspection Service Ryan conducted an exceptionally thorough inspection, uncovering and documenting areas impacted by water leaks that I hadn't even realized were affected. His attention to detail and comprehensive approach were truly impressive. Thank you for the outstanding service!"

Josh G on August 2024


Avatar for WPS Contracting Group LLC
WPS Contracting Group LLC
349W 23rd Street
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
WPS Contracting Group LLC
349W 23rd Street
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
190 local quotes requested
4 years of experience

WPS CONTRACTING GROUP LLC IS a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of testing and abatement services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

WPS CONTRACTING GROUP LLC IS a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of testing and abatement services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

...
Showing 1-10 of 679
The Holtsville, NY homeowners’ guide to indoor air quality testings
From average costs to expert advice, get all the answers you need to get your job done.
sump pump radon gas removal system in basement of home
Jun 29, 2025
Jun 29, 2025
Radon mitigation systems help protect your home from harmful gas buildup by reducing indoor radon levels. Learn about costs, types, and hiring a professional.
radon gas testing equipment
Jun 25, 2025
Jun 25, 2025
Budget for radon inspection costs based on factors such as home size, geographic location, testing kit costs, labor, mitigation, and more.
Professional in protective suit removing mold from home
Jun 24, 2025
Jun 24, 2025
Budget for mold remediation costs based on factors such as severity, location in the home, type of mold, damage type, and more.
Two professionals removing asbestos from a roof
Apr 26, 2025
Apr 26, 2025
Asbestos testing costs depend on the size of your home, its condition, and your location. This test ensures your home is safe from this hazardous material.
professional in protective suit removing asbestos from attic of home
Apr 25, 2025
Apr 25, 2025
Concerned about asbestos in your home? Learn how to identify, manage, and safely remove this hazardous material with expert guidance on abatement methods, regulations, and best practices.
professional testing for toxic lead in home
Apr 26, 2025
Apr 26, 2025
Budget for lead paint inspection costs based on factors such as home size, location, home condition, repairs and removal, additional tests, and more.
Share project details to get started.