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Top-Rated Indoor air quality testers in Washington - Updated Nov 2026

Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Indoor Air Quality Testing

Serving Washington, DC and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Best Air Quality and Restoration did a spectacular job! I can't say enough about the employees. They did an outstanding job! They were punctual,polite and followed social distancing protocols.They assessed the home and cleaned the air ducts quickly and efficiently. I am very pleased with their service and highly recommended this company. I purchased a new home and had them come clean the ducts to improve the homes environment. They showed me before and after pictures and I noticed a difference right away"
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+50

Response time10 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for MoldGone LLC
MoldGone LLC
4.8(
1,006
)
Indoor Air Quality Testing

Serving Washington, DC and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"We called them due to concerns about potential mold in our son's bedroom. They came, tested, and the results were negative for problematic mold/air. In an industry rife with con artists, this was very refreshing. Highly recommend!"
Additional Photos
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+8

Response time1 day
10 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Indoor Green Solutions
Indoor Green Solutions
4.0(
175
)
Indoor Air Quality Testing

Serving Washington, DC and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"Indoor Green Solutions saved my basement from mold I didn't even know existed. Their work is awesome and their customer service is even better. They walked me thru everything and made sure I understood. They seemed to really care about my air quality and health. Would highly recommend!!!"
Burst Pipe
Indoor Water damage
Kitchen Clean up
Broken ceiling
Caved in Ceiling

+19

Response time5 hrs
Response rate99%
6 neighbors recently requested a quote
Avatar for Mold Test Company MD-DC
Mold Test Company MD-DC
4.0(
33
)
Indoor Air Quality Testing

Serving Washington, DC and surrounding areas

Approved

In business since 2015

Emergency services offered

Small jobs welcome

"I called several companies trying to find thorough air quality testing. The testing and explanation of the lab results were very thorough and affordable."
Mold Testing
Mold Testing
Mold Testing
Mold Testing
Mold Testing

+70

Response time1 day
186 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for ACS Services
ACS Services
New to Angi
Indoor Air Quality Testing

Serving Washington, DC and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

ACS Services is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 7 years of experience serving Manassas, VA and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

Avatar for Mid Atlantic
Mid Atlantic
4.9(
18
)
Indoor Air Quality Testing

Serving Washington, DC and surrounding areas

In business since 1985

Free estimates

Emergency services offered

"Chris Barcikowski was on time, cordial, professional and spent a reasonable time checking our home issues. He provided us with recommendations on the action to take to solve the water standing inside the air ducts. He did testing for possible mold conditions and siad the results should be ready for us by this Friday, 9/12.."
Crawl Space
Crawl Space
Crawl Space
Crawl Space
Recommended by100%of homeowners
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FAQs for indoor air quality testing projects in Washington, DC

You should test your home's air quality if you or your family experience health problems like allergies or respiratory issues, as these could be linked to indoor contaminants. Also, consider testing if you're concerned about mold, radon, carbon monoxide, or if you've recently had home construction, demolition, excavation, or remodeling that could have released chemicals into your indoor air.

An indoor air quality test typically takes one to three hours to complete. After the inspection, you'll receive a detailed written report within two to 10 days. The evaluation includes comprehensive air sampling from all designated areas in your home. Your specialist will review the findings with you and provide clear guidance on steps to take if any issues are found, helping ensure your indoor environment meets health and safety standards.

A certified indoor air quality consultant or inspector is the right professional to perform your indoor air test. While some home inspectors have certifications, they often subcontract this specialized work to trained professionals with advanced tools. This expert will thoroughly evaluate air samples from every area in your home and clearly explain the findings to you. Be sure to confirm your tester's credentials before scheduling your service.

The Washington, DC homeowners’ guide to indoor air quality testings

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