Can dust on a fan make you sick?

• <div><p>Yes, dust and pollen on a fan can trigger allergy attacks in many people. Additionally, fan blades can hold onto potentially dangerous bacteria particles before they die out. That’s why it’s important to keep all of the fans in your home clean and dust-free, which will help avoid any sickness or allergy flare-ups. </p></div>

Are flexible ducts safe?

• <div><p>While metal ducts are known for being the most durable choice, flex ductwork is a safe alternative with a host of additional benefits. The key to installing flexible ducts is to make sure they’re properly sized and installed. For optimal results, it’s always best to hire a duct installation pro who has extensive experience with flex duct installation. </p></div>

Get matched with top air duct cleaners in Ledger, MT

Q: Is it safe to run an AC with mold?

• <div><p>Is mold in an air conditioner dangerous? Running an air conditioner with mold isn&rsquo;t safe because it can spread harmful mold spores throughout your home. These spores may cause respiratory problems, allergies, or aggravate asthma in household members and guests. If you suspect there is mold hiding in your air conditioner, it&rsquo;s best to stop using the HVAC system until the mold is cleaned to avoid health risks and further contamination.</p></div>

Q: Is it bad if water gets in your vent?

• <div><p>If you notice water accumulating in your vent due to a roof or plumbing leak above your ductwork, it's essential to promptly identify the source of the leak and undertake any required repairs without delay. Such leaks have the potential to swiftly result in water damage within your home, ultimately leading to mold and mildew concerns.</p></div>

Q: Is FPR better than MERV?

• <div><p>No, FPR isn&rsquo;t necessarily better than MERV. Both systems measure an air filter&rsquo;s effectiveness, but they express it on different scales. FPR ratings range from 1 to 12, while MERV ratings run between 1 and 20. However, some people might find FPR ratings easier to understand since they&rsquo;re color-coded and have descriptors like &ldquo;good,&rdquo; &ldquo;better,&rdquo; and &ldquo;premium.&rdquo;</p><p> </p></div>

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Verified Reviews for Air Duct Cleaning pros in Ledger, MT

*The Angi rating for Air Duct Cleaning companies in Ledger, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Duct Cleaning needs.

*The HomeAdvisor rating for Air Duct Cleaning companies in Ledger, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Duct Cleaning needs.

Last update on November 22, 2025

Reviewed in April 2019
Hoping this will resolve allergy problems. This company is easy to work with. Very professional and knowledgeable of helping us to meet our goal. We would highly recommend them. Love the fact that they offer many services.
All 4 U Cleaning
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Reviewed in October 2014
Ken and his crew cleaned 39 units in 2 days and called management as soon as the job was completed. The job was completed 2 days early and took less work than expected so we got a 10% discount. Billing was in management's inbox 30 min after the work was completed. Enthusiastically satisfied...
Air-Pro Duct Cleaning
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Reviewed in October 2013
Coury (from Air Pro) arrived and it was immediately apparent that he was an honest, cheerful guy. Not for a moment were we concerned with him roaming our house, cleaning ducts while we worked from home. He was extremely kind, and cheerful the entire time he was with us and after telling us how...
Air-Pro Duct Cleaning
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Reviewed in May 2012
They did a good job. They were pretty quick and professional. They were on time and I think they really stand behind their work.
Central Heating, Cooling, Plumbing & Electrical
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Reviewed in August 2017
All 4 You is hands-down the best of the best in their class! The staff is courteous, professional, easy to work with and prompt! Their equipment and products are top notch, and there is a great depth of knowledge behind the products they use. They are quick to answer all questions and offer...
All 4 U Cleaning
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Reviewed in January 2013
alaArrived on time, wore shoe covers, laid covers over floors and carpet areas involved, completed work in time estimated. Very professional attitude of owner and tech who came to the house. When the furnace would not start later in the day, he gave up his planned activity of the evening to...
Air-Pro Duct Cleaning
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Find Air duct cleaners in Ledger

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

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

"as advertised"

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.

Your Eco Friendly Building Solution

Showing 1-10 of 12

Air Duct Cleaning questions, answered by experts

Yes, dust and pollen on a fan can trigger allergy attacks in many people. Additionally, fan blades can hold onto potentially dangerous bacteria particles before they die out. That’s why it’s important to keep all of the fans in your home clean and dust-free, which will help avoid any sickness or allergy flare-ups.

While metal ducts are known for being the most durable choice, flex ductwork is a safe alternative with a host of additional benefits. The key to installing flexible ducts is to make sure they’re properly sized and installed. For optimal results, it’s always best to hire a duct installation pro who has extensive experience with flex duct installation.

Is mold in an air conditioner dangerous? Running an air conditioner with mold isn’t safe because it can spread harmful mold spores throughout your home. These spores may cause respiratory problems, allergies, or aggravate asthma in household members and guests. If you suspect there is mold hiding in your air conditioner, it’s best to stop using the HVAC system until the mold is cleaned to avoid health risks and further contamination.

If you notice water accumulating in your vent due to a roof or plumbing leak above your ductwork, it's essential to promptly identify the source of the leak and undertake any required repairs without delay. Such leaks have the potential to swiftly result in water damage within your home, ultimately leading to mold and mildew concerns.

No, FPR isn’t necessarily better than MERV. Both systems measure an air filter’s effectiveness, but they express it on different scales. FPR ratings range from 1 to 12, while MERV ratings run between 1 and 20. However, some people might find FPR ratings easier to understand since they’re color-coded and have descriptors like “good,” “better,” and “premium.”

The Ledger, MT homeowners’ guide to air duct cleaning services

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

See all articles

Deane Biermeier
•
Oct 28, 2025Oct 28, 2025
How Much Does a Whole-House Air Purifier Cost? [2025 Data]
Whole-house air purifier costs depend on a variety of factors, including your home’s size and layout. The type of purifier you choose matters, too.
Tyler Lacoma
•
Jun 12, 2025Jun 12, 2025
How Much Does Air Duct Cleaning Cost? [2025 Data]
Curious about air duct cleaning costs? Get insights into pricing factors, benefits, and how to tell when it’s time for a good cleaning.
Deirdre Sullivan
•
Mar 11, 2025Mar 11, 2025
Can Flexible Air Ducts Be Cleaned?
Can flexible air ducts be cleaned? Yes, but you need to make sure you don't damage it. In many cases, it's best to hire a pro to clean your ductwork.
Gemma Johnstone
•
Nov 19, 2025Nov 19, 2025
How to Remove Odor From Air Ducts for a Better Smelling Home
Do you detect a strange smell coming from your home’s ductwork? Learn how to remove odor from air ducts with this step-by-step guide.
Sara Coleman
•
Mar 10, 2025Mar 10, 2025
Who Cleans Air Ducts? Who to Hire
Are your air vents looking dusty? Discover who cleans air ducts and whether this project is one that you can do yourself or if you need to hire a pro.
Catherine Hiles
•
Mar 13, 2025Mar 13, 2025
Pet Dander in Your Air Ducts? 7 Tips for Cleaner Air
A shedding pet can worsen your allergies, especially if dander gets in the ductwork. Here’s what to do about pet dander in air ducts for healthier air in your home.