What causes musty smells?

• <div><p>Figuring out why you have a musty smell in your house is the first step to getting rid of it. <a href="https://www.angi.com/articles/mold-vs-mildew.htm">Mold or mildew</a> is most likely causing the unpleasant odor. People use these terms interchangeably, but they’re actually different.</p><p>Mold is a fungus that loves to grow in moist, humid places. It’s typically black or green and has a raised, uneven texture. Stay vigilant for <a href="https://www.angi.com/articles/signs-mold-might-be-growing-your-home.htm">signs mold may be growing in your home. </a></p><p>You’ll find mildew growing on your shower walls and in your bathroom’s nooks and crannies. It’s a specific type of mold that grows flat. Mildew is usually white, gray, or yellow.</p></div>

How often should I clean my air conditioning unit?

• <div><p>You should clean your air conditioner at least once per year, but you may need to clean your whole HVAC system (including the air ducts) more often. According to the <a href="https://nadca.com/homeowners/frequently-asked-questions">National Air Duct Cleaners Association</a>, you may need to clean them more frequently depending on factors like whether you smoke, have pets, or have allergies.</p></div>

Get matched with top air duct cleaners in Lame Deer, MT

Q: Is it worth it to clean your air ducts?

• <div><p>The <a href="https://www.epa.gov/indoor-air-quality-iaq/should-you-have-air-ducts-your-home-cleaned#:~:text=Duct%20cleaning%20has%20never%20been,necessarily%20enter%20the%20living%20space.">Environmental Protection Agency</a> (EPA) states that there's no conclusive evidence to show that dirty or dusty air ducts increase dust and airborne particles in your home or pose any risk to your health. On the other hand, your air ducts require cleaning if there's any mold or mildew, you have a rodent or insect infestation, or you have clogged ducts. Regular air duct cleaning will also extend the life of your HVAC system, leading to less frequent repairs and preventing premature replacement in the future.</p></div>

Q: What is the typical price range for having your home's air ducts professionally cleaned?

• <div><p>Air duct cleaning costs an average of $270 to $500 , depending on the number of vents and the total length of the ducts in your home. The type of ducts you have also plays a role since flexible ducts are more susceptible to damage and more difficult and time-consuming to clean properly. Expect higher labor costs for difficult-to-access ducts.</p></div>

Q: How do I know if my ductwork needs to be cleaned?

• <div><p>Signs your ductwork needs cleaning include visible dust buildup, musty odors, increased allergy symptoms, and reduced airflow. If you see dust blowing from vents, find mold inside ducts, or notice a spike in your energy bills, it&rsquo;s time for a professional inspection and cleaning to improve air quality and efficiency.</p></div>

Enter your ZIP and get matched with up to 5 pros

Verified Reviews for Air Duct Cleaning pros in Lame Deer, MT

*The Angi rating for Air Duct Cleaning companies in Lame Deer, 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 Lame Deer, 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 December 05, 2025

Reviewed in November 2025
I had 7 huge trees removed, and 5 large bushes. They came right away to take a look at the job, and give a bid, then returned within a couple weeks to get it done. His clean up of the property was WONDERFUL! Very professional, and very kind!
Diamond K Tree & Landscape LLC
Request a quote
Reviewed in August 2024
They got there ahead of schedule, and did a good job and cleaned up well
John & Son Tree Trimming LLC
Request a quote
Reviewed in January 2024
The team at Paul Davis were prompt in responding with help, accessed the water damage, took steps to prevent more damage, cleaned up, repaired the area so that there would be no worry of mold or future water issues.
Paul Davis Restoration
Request a quote
Reviewed in September 2023
The crew worked hard and the install was done faster than expected. Very courteous and with wonderful care. Clean up was excellent. Very satisfiedwith the install and the windows are everything that was promised. They are beautiful.
Renewal by Andersen of Montana
Request a quote
Reviewed in October 2016
He was very thorough, and very careful to keep the house clean before, during, and after.
Pro-Vac Chimney Sweeps LLC
Request a quote
Reviewed in March 2014
Excellent job done under trying circumstances. Get your air ducts cleaned using Mr. C's!!!
Mr C's Chimney & Air Duct Cleaning
Request a quote
Reviewed in February 2014
Installed heating system. Air conditioning unit will be installed this spring. So far they have been wonderful to work with. Crew was professional and prompt. We love the heating system. Will update when we have air-conditioning unit installed.
Comfort Heating & Air Conditioning LLC
Request a quote
Reviewed in September 2013
He arrived after our agreed time however called before and explained that he'd be late. This clearly demonstrates that he respects my time and me. He carefully placed drop cloths around my woodstove, then checked around the pipe for safety issues. He noted and, using some fiberglass...
Buffalo Chimney & Stove Installation
Request a quote
Reviewed in August 2013
He and his crew was the lowest bid of 4 bids for hail damage. He was very tightly. I was amazed how clean the yard looked while he was doing the work. It was an outstanding job and I was very pleased with him. It was a quick project and he brought everything with him. Was very pleased with...
Albaugh Construction
Request a quote
Reviewed in May 2013
Went very well. He was very careful to be clean and mop up any water,
SWORD PLUMBING CO
Request a quote

Find Air duct cleaners in Lame Deer

)

Customers say: Quick response

Recommended by 92% of Angi customers

Showing 1-10 of 12

Air Duct Cleaning questions, answered by experts

The Environmental Protection Agency (EPA) states that there's no conclusive evidence to show that dirty or dusty air ducts increase dust and airborne particles in your home or pose any risk to your health. On the other hand, your air ducts require cleaning if there's any mold or mildew, you have a rodent or insect infestation, or you have clogged ducts. Regular air duct cleaning will also extend the life of your HVAC system, leading to less frequent repairs and preventing premature replacement in the future.

Air duct cleaning costs an average of $270 to $500 , depending on the number of vents and the total length of the ducts in your home. The type of ducts you have also plays a role since flexible ducts are more susceptible to damage and more difficult and time-consuming to clean properly. Expect higher labor costs for difficult-to-access ducts.

Signs your ductwork needs cleaning include visible dust buildup, musty odors, increased allergy symptoms, and reduced airflow. If you see dust blowing from vents, find mold inside ducts, or notice a spike in your energy bills, it’s time for a professional inspection and cleaning to improve air quality and efficiency.

Figuring out why you have a musty smell in your house is the first step to getting rid of it. Mold or mildew is most likely causing the unpleasant odor. People use these terms interchangeably, but they’re actually different.

Mold is a fungus that loves to grow in moist, humid places. It’s typically black or green and has a raised, uneven texture. Stay vigilant for signs mold may be growing in your home.

You’ll find mildew growing on your shower walls and in your bathroom’s nooks and crannies. It’s a specific type of mold that grows flat. Mildew is usually white, gray, or yellow.

You should clean your air conditioner at least once per year, but you may need to clean your whole HVAC system (including the air ducts) more often. According to the National Air Duct Cleaners Association, you may need to clean them more frequently depending on factors like whether you smoke, have pets, or have allergies.

The Lame Deer, 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
•
Nov 28, 2025Nov 28, 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.
Nick P. Cellucci
•
Mar 6, 2025Mar 6, 2025
How to Hire a Good Air Duct Cleaning Pro
Air duct cleaning is a service for homes affected by mold, pests, or excess dust. Use this guide to find a good air duct cleaning company.
Deirdre Sullivan
•
Mar 14, 2025Mar 14, 2025
What Are the Best Duct Cleaning Chemicals to Use?
If you are wondering which duct cleaning chemicals you should use, we break down all of your options so you can make an informed decision when hiring a pro.
Deirdre Sullivan
•
Oct 20, 2025Oct 20, 2025
Does Cleaning Air Ducts Help With Airflow?
Some believe that hiring an air duct cleaning pro to clean your ducts can have benefits for your air circulation. Here’s how to determine if it’s useful for you.
Tyler Lacoma
•
Mar 6, 2025Mar 6, 2025
What Is Air Duct Cleaning? Pros, Cons, and What the Experts Say
Air duct cleaning is a very common service, but is it necessary for your home? Here are the signs to watch for and when duct cleaning is beneficial.