Is it normal for AC vents to drip condensation?

• <div><p>No, it’s not normal for AC vents to drip condensation. A sweating AC vent is a sign of something wrong and can lead to issues like <a href="https://www.angi.com/articles/moisture-leads-air-duct-rusting.htm">air duct rust</a> or mold growth. Your HVAC unit might not be working efficiently because of a dirty filter or clogged ducts. Alternatively, your ductwork might not have adequate insulation, which allows the cool air in the ducts to meet the humid air outside, causing condensation. </p></div>

How much do HVAC companies charge?

• <div><p>HVAC technicians charge around <b>$175 per hour</b>, but anywhere between <b>$100 and $250 per hour</b> isn’t uncommon. The total cost of your HVAC service depends on the type of work, the type of system, and more. Here are some important cost factors to consider to get accurate pricing:</p><ul><li><p>Time of year</p></li><li><p>Urgency of your repair or service</p></li><li><p>Type of system </p></li><li><p>Type of repair you need</p></li><li><p>Whether or not you have a service contract</p></li><li><p>Size of your HVAC system</p></li><li><p>Brand of HVAC equipment </p></li></ul><p></p></div>

Get matched with top air duct cleaners in Cabool, MO

Q: Can you run an air conditioner with mold?

• <div><p>You should not run an air conditioner with mold because it could spread the spores throughout your home. Mold exposure can trigger several health problems, including coughing, wheezing, sneezing, itchy eyes, and a sore throat. Living in a moldy house can also increase your risk of other illnesses, including sinus infections, pneumonia, and bronchitis. </p></div>

Q: Why are my vents blowing air when off?

• <div><p>Vents may blow air even though the air conditioning system is off because of the pressure difference between indoor and outdoor air or drafts from leaky ducts. Check for leaks or drafts in the ductwork or around windows and doors.</p></div>

Q: Do repairs include ductwork inspection?

• <div><p>Yes, professionals check venting ducts to ensure proper air circulation and prevent moisture buildup.</p></div>

Q: Is it normal for AC vents to drip condensation?

• <div><p>No, it&rsquo;s not normal for AC vents to drip condensation. A sweating AC vent is a sign of something wrong and can lead to issues like <a href="https://www.angi.com/articles/moisture-leads-air-duct-rusting.htm">air duct rust</a> or mold growth. Your HVAC unit might not be working efficiently because of a dirty filter or clogged ducts. Alternatively, your ductwork might not have adequate insulation, which allows the cool air in the ducts to meet the humid air outside, causing condensation. </p></div>

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Verified Reviews for Air Duct Cleaning pros in Cabool, MO

*The Angi rating for Air Duct Cleaning companies in Cabool, MO 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 Cabool, MO 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 January 06, 2026

Reviewed in August 2024
Gaberial was very knowledgable, professional and ready to remedy the emergency situation I found myself in. He took care of all the details prior to the repairs, arrived when he said he would and worked until the job was complete and the emergency situation was resolved. In addition, his price...
C & G Plumbing
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Reviewed in September 2021
They were great to work with. I told them my vision and they made it happen on paper! Mark suggested great ideas that I would have never thought of. Highly recommend!
M2 Drafting & Design, LLC
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Reviewed in December 2018
The salesperson, Stephanie, was very professional, having good ideas on our project. The installer, Greg, was careful and meticulous, keeping the work area and path to the door clean. The removal of the old tub, and installation on the new one took about 7 hours. When finished, everything was...
PJ Fitzpatrick
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Reviewed in March 2016
The crew showed up on time with all of the materials ready to go. The three workers worked well together, did a great job, and they made sure to clean up after themselves. The work was fantastic and they were easy to work with. I have no complaints and I would recommend them to anybody.
Liberty Home Solutions LLC
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Reviewed in July 2015
Had a storm break huge limb onto the electric line from electric pole to house. Bent the mast over and pulled the wires and electric wires through the ceiling. Called Stilley Electric and Mr. Scott Stilley came and assessed the damage. He set up a time he and his crew would be at the house....
Stilley Electric
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Reviewed in May 2015
I had no issues with the air conditioning. He's reasonable and he didn't charge me. That was for a weekend. I called him and he's at the funeral and so he said that he will come here after the funeral. He came out that afternoon.
Roger's Water Conditioning & Plumbing
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Reviewed in March 2014
The service technician came out when he said he would and cleaned the furnace in order to get it up and running again. This particular service technician was not real familiar with older equipment so it took him longer than he expected to work on the issue but he was pleasant and friendly.
Elite Aire LLC
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Reviewed in August 2013
Great service .. we went into the store to look and Nathan showed us several different floor coverings in various styles and prices. He then let us take large samples home and came by that evening to do measurements and give us the estimate. After picking the style and color he said he would...
INTERIOR SOLUTIONS BY KORIN
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Reviewed in August 2011
I didn't think the AC unit was functioning as well as it should, so I called the company that was on a sticker on the unit. They were able to schedule me for 2 days later. The guy showed up on time, and went right to work. He allowed me to follow him around, asking many questions. He was...
Coulter Heating & Cooling Inc
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Find Air duct cleaners in Cabool

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"

Nancy C on July 2018

Ductz of West St Louis

4.84(

)

Ductz of West St Louis

4.84(

)

Customers say: Super punctual

Recommended by 94% of Angi customers

We adhere to the National Air Duct Cleaners Association (NADCA) Standards as well as the Environmental Protection Agency (EPA) standards and EPA checklist. My DUCTZ company provides customers with Air Duct Cleaning, HVAC System Cleaning, Dryer Vent Cleaning, and Restoration services in the West St. Louis, Missouri area. Additional phones - (314) 584-0228 Additional email - [email protected]. Additional DBA - DUCTZ International Inc & Ductz Indoor Air Professionals.

"very good, professional, reliable, good quality work, fair price."

bob s on May 2018

"very good, professional, reliable, good quality work, fair price."

bob s on May 2018

Ace Duct Cleaning LLC

5.00(

)

Ace Duct Cleaning LLC

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Locally Owned and Operated, we have been involved with commercial restaurant hood and duct cleaning since 1996. We have now expanded our services to residential customers! We are licensed, bonded and insured. Chuck Eastman is a former US Marine and along with his partner and co-owner Mr. Gary Larimore we want you to know that our highest priority is your complete satisfaction! All of our services are preformed with the same attention to detail and military precision that ACE has always performed. Our promise to you, is to offer services like a large corporation but provide the personal touch of a mom and pop company. Please, let us PROVE ourselves to you! Thanks and God bless!

"Great! Very impressed with the professionalism of this company. Men wore booties in the house to keep from tracking in dirt. I’m picky about that! My husband had watched a YouTube video recently on the proper way to have duct work cleaned. It just so happened, the men also followed the same procedure. They were courteous and answered all the questions we had."

Sudan L on January 2021

"Great! Very impressed with the professionalism of this company. Men wore booties in the house to keep from tracking in dirt. I’m picky about that! My husband had watched a YouTube video recently on the proper way to have duct work cleaned. It just so happened, the men also followed the same procedure. They were courteous and answered all the questions we had."

Sudan L on January 2021

Customers say: Quick response

Recommended by 100% of Angi customers

We are your one stop shop for heating and cooling services, plus Fireplaces and seamless gutters! From new heating system installation to air conditioning repair, we do it all with friendly service and affordable prices. No job is too big or small for us, and we would love the opportunity to serve you.

Showing 1-10 of 25

Air Duct Cleaning questions, answered by experts

You should not run an air conditioner with mold because it could spread the spores throughout your home. Mold exposure can trigger several health problems, including coughing, wheezing, sneezing, itchy eyes, and a sore throat. Living in a moldy house can also increase your risk of other illnesses, including sinus infections, pneumonia, and bronchitis.

Vents may blow air even though the air conditioning system is off because of the pressure difference between indoor and outdoor air or drafts from leaky ducts. Check for leaks or drafts in the ductwork or around windows and doors.

Yes, professionals check venting ducts to ensure proper air circulation and prevent moisture buildup.

No, it’s not normal for AC vents to drip condensation. A sweating AC vent is a sign of something wrong and can lead to issues like air duct rust or mold growth. Your HVAC unit might not be working efficiently because of a dirty filter or clogged ducts. Alternatively, your ductwork might not have adequate insulation, which allows the cool air in the ducts to meet the humid air outside, causing condensation.

HVAC technicians charge around $175 per hour, but anywhere between $100 and $250 per hour isn’t uncommon. The total cost of your HVAC service depends on the type of work, the type of system, and more. Here are some important cost factors to consider to get accurate pricing:

Time of year
Urgency of your repair or service
Type of system
Type of repair you need
Whether or not you have a service contract
Size of your HVAC system
Brand of HVAC equipment

The Cabool, MO homeowners’ guide to air duct cleaning services

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

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A Complete Guide to the Air Duct Cleaning Process for Homeowners
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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.