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 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 Carlton, MN

Q: Why are there so many air duct cleaning scams?

• <div><p>Air duct cleaning scams are, unfortunately, so common because the industry is largely unregulated, and technicians don&rsquo;t need to hold licenses in most states. It&rsquo;s also easy for scammers to use scare tactics to claim that your indoor air is potentially unsafe, which makes the service an easy sell. Finally, most homeowners don&rsquo;t have access to their hidden HVAC ducts and can&rsquo;t check on issues themselves, so it&rsquo;s easy to claim that there&rsquo;s mold or debris build-up in there and have it go unchecked.</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>

Q: Does cleaning air ducts save money?

• <div><p>Air duct cleaning can save you money on your energy bill in several ways. Clean air ducts have better airflow, allowing your HVAC system to work more efficiently and reducing wear and tear on your HVAC unit. Finally, air duct cleaning helps keep your home at a consistent temperature so you don&rsquo;t have to crank up the thermostat as often.</p></div>

Q: Does my chimney impact my HVAC system?

• <div><p>In most homes, your chimney and HVAC are separate from each other. However, you can use your chimney to save on heating costs in the winter. Turn off your HVAC system and start a cozy fire, then watch the electric bills drop during the coldest months. Make sure your flue is closed when not in use so that you don&rsquo;t end up pumping heat or cool air from your system outside.</p></div>

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Verified Reviews for Air Duct Cleaning pros in Carlton, MN

*The Angi rating for Air Duct Cleaning companies in Carlton, MN 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 Carlton, MN 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 10, 2025

Reviewed in June 2024
The workers are fantastic. Everyone was so pleasant. They clean up after themselves. They all work so well together.
Leigh Thomas Construction
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Reviewed in June 2022
Excellent! Matt even cleaned and re-colored and sealed our 15 year old colored stamped borders on our driveway giving it a brand new look! The patio is amazing!
Md Concrete
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Reviewed in April 2022
Professional, timely service cleaning all of the heating ducts and cold air return throughout my house.
Warwas Heating & Cooling, LLC
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Reviewed in March 2017
Ben P. arrived on time. Assessed the situation and set out to unclog the pipe. It didn't take long before the pipe was clear and everything was working fine. Ben was polite, explained the situation to us. He left the kitchen clean. Yes we would use again.
Weld & Sons Plumbing
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Reviewed in January 2017
Haven't had any troubles since. So went very well. Stay dry had taken there time in a quick and quality for tearing up my basement do to the type of job. Which I expected. They did there best to clean up and didn't leave nothing behind.
stay-dry
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Reviewed in February 2016
I contacted the company that made the boiler and sent pictures of how the fresh air intake and exhaust had been installed. They sent me diagrams as to how they should be installed. Randalls had installed them in reverse of how they should have been installed. When the service guys came several...
Randall Brothers Heating & Air Conditioning Inc
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Reviewed in June 2014
He is very professional and knowledgable. He is also a good source for questions. I use him for many questions. Always cleans up after himself. Very prompt. Very professional. He gives high quality, professional service.
Montgomery Electric Inc
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Reviewed in October 2012
First I got an estimate and decided to have Aire Serv install my new furnace. The workers were professional and they showed up to work when they said they would. The installation went well and they showed me how my furnace operated and they even programmed my thermostat. Over all I was very...
Aire Serv of Northeastern Minnesota
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Reviewed in May 2012
He did a fast good job and did not charge us much. I was expecting to pay about a thousand bucks and it was only two hundred. We have a huge tree in our yard and it was touching the roof. It was just huge and he needed to cut it way down and he did. When he came we left to go out to eat. We were...
CARPENTER BROTHERS TREE & STUMP REMOVAL
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Reviewed in August 2011
We decided on a Mini Split because of our situation. No duct work in the house and we were very familiar with Mini Split AC units having lived in Asia for three years. They are very efficient units. We contacted Summit Mechanical at a Home Show in Duluth and were very impressed with the Fujtsu...
Summit Mechanical Service Inc
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Find Air duct cleaners in Carlton

Greenify Energy Savers

5.00(

)

Greenify Energy Savers

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Solar, Residential Solar, Insulation in attics, walls and floors, radiant barrier, and many more energy efficient services.

"The total process of adding blow-in insulation and radiant barrier in my attic has been awesome. From the office to the installers, everything has been smooth. The installers Juvi and Kevin were professional, efficient, and really nice. Office representative Wyck was smart, helpful, and professional as well. The office let me know how to properly get the rebates and the tax cuts. Great experience!"

Alan B on October 2024

Solar, Residential Solar, Insulation in attics, walls and floors, radiant barrier, and many more energy efficient services.

"The total process of adding blow-in insulation and radiant barrier in my attic has been awesome. From the office to the installers, everything has been smooth. The installers Juvi and Kevin were professional, efficient, and really nice. Office representative Wyck was smart, helpful, and professional as well. The office let me know how to properly get the rebates and the tax cuts. Great experience!"

Alan B on October 2024

Second Nature (Formerly FilterEasy)

5.00(

)

Second Nature (Formerly FilterEasy)

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Second Nature, formerly FilterEasy, empowers its members to achieve long-lasting, sustainable home wellness with convenient subscription plans, including high-quality home air filters and refrigerator water filters. We exist to simplify home wellness, to make it so easy and convenient that it becomes second nature. Learn about our products and subscribe at www.SecondNature.com/home.

Global Plasma Solutions

5.00(

)

Global Plasma Solutions

5.00(

)

Customers say: Quality work

Recommended by 100% of Angi customers

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.

Professional Exteriors, Inc

4.07(

)

Professional Exteriors, Inc

4.07(

)

Customers say: Quick response

18 years of experience

Professional Exteriors Inc is a full service company with services ranging from siding and roofing to decks as well as snow and ice dam removal in the winter. With a wide range of capabilities PEI is able to meet all your renovations needs.

"very poor work quality, I had to have them come back 3 times after the initial installation to repair damages and fix the shoddy workmanship to get the roof right and it still hasn't passed Inspection. On top of that on three other occasions they were scheduled to be there and they just didnt show up at all. They left trash in my yard and in my driveway causing a flat tire on my car due to nails left all over the driveway. I even found missing shingles on a newly installed roof, how does that happen? I also found out after the fact they were TWICE as expensive as their competitors. I called 3 different contractors after getting their final bill and found this out. Twice the price for shoddy work? I'm just glad I was able to get up on the roof and check the quality of the work and demand they corrected it. My recommendation, hire someone else. There are so many other capable company's out there. You dont need to waste your time with this one. It's not worth it."

Kyle S on December 2022

"very poor work quality, I had to have them come back 3 times after the initial installation to repair damages and fix the shoddy workmanship to get the roof right and it still hasn't passed Inspection. On top of that on three other occasions they were scheduled to be there and they just didnt show up at all. They left trash in my yard and in my driveway causing a flat tire on my car due to nails left all over the driveway. I even found missing shingles on a newly installed roof, how does that happen? I also found out after the fact they were TWICE as expensive as their competitors. I called 3 different contractors after getting their final bill and found this out. Twice the price for shoddy work? I'm just glad I was able to get up on the roof and check the quality of the work and demand they corrected it. My recommendation, hire someone else. There are so many other capable company's out there. You dont need to waste your time with this one. It's not worth it."

Kyle S on December 2022

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

Air Duct Cleaning questions, answered by experts

Air duct cleaning scams are, unfortunately, so common because the industry is largely unregulated, and technicians don’t need to hold licenses in most states. It’s also easy for scammers to use scare tactics to claim that your indoor air is potentially unsafe, which makes the service an easy sell. Finally, most homeowners don’t have access to their hidden HVAC ducts and can’t check on issues themselves, so it’s easy to claim that there’s mold or debris build-up in there and have it go unchecked.

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.

Air duct cleaning can save you money on your energy bill in several ways. Clean air ducts have better airflow, allowing your HVAC system to work more efficiently and reducing wear and tear on your HVAC unit. Finally, air duct cleaning helps keep your home at a consistent temperature so you don’t have to crank up the thermostat as often.

In most homes, your chimney and HVAC are separate from each other. However, you can use your chimney to save on heating costs in the winter. Turn off your HVAC system and start a cozy fire, then watch the electric bills drop during the coldest months. Make sure your flue is closed when not in use so that you don’t end up pumping heat or cool air from your system outside.

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 Carlton, MN 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

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How Much Does a Whole-House Air Purifier Cost? [2025 Data]
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•
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•
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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.
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•
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Who Cleans Air Ducts? Who to Hire
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•
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Perhaps you want to clean your ductwork but aren't sure when is the best time to clean air ducts. We'll explain everything to help you get on the right schedule.