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Top-Rated Mold testing and remediation specialists in Exeter - Updated Nov 2026

Avatar for Bona Fide Home and Mold Inspections / Certified Mold Remediations
Bona Fide Home and Mold Inspections / Certified Mold Remediations
4.6(
61
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Exeter, RI and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Don Lambert, the owner of this company is a get nice man, and is very informative. He will tell your what's what, and leave you feeling confident in your choice to have hired him. He inspected our new home, and also did an air test for mold (separate service from home inspection) and we can gladly say we recommend him for sure!!"
Response time3 hrs
15 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Mold One Rhode Island
Mold One Rhode Island
4.7(
56
)
Mold & Toxic Material TestToxicity and Mold - RemovalIndoor Air Quality Testing+2 more

Serving Exeter, RI and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Warranties offered

"There are so many mold remediation companies out there, but NO ONE IS AS GOOD as Mold One! Mike and Ron are compassionate, flexible, and willing to explain everything! They were there for me 100%, every single step of the way, during the most horrific time of my life. My prior mold remediation company had been negligent, leaving me exposed to toxic black mold on a daily basis, and Mold One took care of all of it--with no mess or dangerous dust. Mike was LITERALLY a life-saver. There are so many mold remediation companies charging 10 times as much, and doing a far worse job. It is very difficult to find a company you can fully trust to put your interests first (so many say they do, but when it comes down to it they overcharge or cut corners, leaving you in danger!). I hope Mold One becomes the partner of choice for all the major insurance companies, because they are BY FAR MORE COST EFFECTIVE and thorough than any other company I've found."
Our tech holding the fog head
The crawlspace filled with our dry fog treatment
Mold we've encountered
Mold we've encountered
Mold we've encountered

+3

Response time10 hrs
Response rate95%
35 neighbors recently requested a quote
Avatar for Mold Test Company North East
Mold Test Company North East
3.8(
91
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Exeter, RI and surrounding areas

Approved

In business since 2008

Small jobs welcome

Credit card accepted

"They were quick and thorough and knowledgeable and tested air inside and out and then recommended mediation. They don’t do that so there’s no conflict of interest. They recommended a company but left it up to me."
Mold Testing
Mold Testing
Mold Testing
Mold Testing
Mold Testing

+69

Response time5 hrs
23 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Air Guardian Inc.
Air Guardian Inc.
5.0(
5
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business+2 more

Serving Exeter, RI and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

At Air Guardian Inc., we specialize in protecting homes and properties through professional mold remediation, indoor air quality inspections, water damage restoration, basement waterproofing, crawlspace encapsulation, air duct cleaning, and radon mitigation services.\n\nServing Massachusetts and Rhode Island, our certified professionals combine advanced diagnostic technology, industry-leading equipment, and proven remediation techniques to identify problems at their source and deliver lasting solutions.\n\nFrom hidden moisture and mold concerns to flooded basements and poor indoor air quality, we provide honest assessments, transparent recommendations, and exceptional workmanship. Whether you're facing an emergency or planning preventative improvements, Air Guardian Inc. is committed to restoring confidence in your property.\n\nProtecting Your Property. Preserving Your Peace of Mind.

3 neighbors recently requested a quote
Morry R.S. NewEngland LLC
4.3(
6
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Exeter, RI and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

Here at Morry Remediation Services. We strive to satisfy all of our customers and will go the extra mile to make sure you are completely satisfied. We believe in fostering a collaborative relationship to understand your specific requirements and tailor our services to meet your unique needs and we will work effectively to achieve the best possible outcome for your project.

Avatar for Restoration 1 of Rhode Island
Restoration 1 of Rhode Island
4.8(
26
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Exeter, RI and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"The tech who came out for test for moisture, Jared, was one of the best. Very friendly and very knowledgeable. He provided us with a lot of options. The company was very easy to communicate through e-mail and the entire project was quick. I reached out on Monday, they came by on a Thursday to test and came back the next Thursday and Friday to perform the remediation. Top notch!"
Restoration 1 of RI
Restoration 1 of RI
Restoration 1 of RI
Water Damage Clean Up
Water Damage Clean Up

+9

Response time9 hrs
Recommended by95%of homeowners
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Mold Testing and Remediation FAQs, answered by experts

In mild cases of mold growth, you can DIY mold remediation with a simple cleaning using safe and natural cleaning solutions like baking soda, hydrogen peroxide, vinegar, or lemon juice. However, if the mold is larger than 10 square feet or you suspect toxic black mold, you should not do mold remediation on your own. Instead, you should hire a professional mold removal company to handle the job.

If you have mold under your vinyl flooring, it’s recommended that you have it ripped out and start fresh. Mold isn’t something to take lightly and should involve a visit from a professional who can both test and identify the mold. If you’re determined to remedy it yourself, wear all the proper protective equipment—eye goggles, a high N-rated mask, and long, disposable gloves.

A stain from a water leak will usually be brown and concentrated in a single area where the water is originating from. You may find it under a damaged section of roof, under an upstairs bathroom, or beneath your HVAC system. Stains from condensation are more likely to be widespread since they don’t come from a single point of water intrusion. Condensation stains also look blotchy and may smell musty, and they won’t be concentrated in a single area on your ceiling.

Excessive humidity in a room often manifests through visible signs like condensation on windows or walls, a musty or damp odor lingering in the air, peeling wallpaper or paint, and the presence of mold or mildew. Experiencing discomfort due to a consistently clammy or sticky feeling can also indicate high humidity levels.

Nearly all homes have at least some airborne mold spores. If you want to determine the concentration of spores in the air, you have a few options. The most effective option is to hire a professional tester who can take air samples of the home. The tester would send the samples to a laboratory to determine the concentration of mold spores. 

The Exeter, RI 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.