Can I close vents to deflect air?

• <div><p>No, because closing air vents could damage your HVAC system. Closing a vent will only keep the air in the duct, not redirect it to a room or zone where you’d prefer it to be. That air will become trapped within your ductwork, creating a buildup of pressure that can damage the ducts and cause leaks. </p></div>

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TRUSTED BY SAN JUAN, TX HOMEOWNERS

4.7
Average homeowner rating
35
Verified air duct cleaning services reviews

Verified Reviews for Air Duct Cleaning pros in San Juan, TX

*The Angi rating for Air Duct Cleaning companies in San Juan, TX 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 San Juan, TX 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 06, 2025

Reviewed in January 2025
Service was great! Ducts were left like new.
Multi Air
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Reviewed in January 2025
They do an excellent job, good quality, efficient, the crew is awesome, Marc Anthony and his crew with the ducts installation great job ,Luis and Jonathan great job ,they'll finished really on time ,cleaned everything, no leftovers, I'm super happy with the service ,the owner Jordan always...
Millennium A/C LLC
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Reviewed in May 2024
They were hired to clean and repair some air vents, after the work was done the air conditioning wasnâ t working as the man said that it would, when I asked him why his workers suggestion for duct work modification werenâ t working when thatâ s was the main purpose of the whole job I wanted...
Beto's Clean Ducts
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Reviewed in April 2020
Thanks to Ace Roofing RGV and excellent service provided by your employees.
ACE Roofing RGV, LLC
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Reviewed in May 2016
We picked Cytech from a listed of recommended AC contractors on Angie's List. They did have to competitively bid against another contractor. We worked with CyTech (Leo Cantu) for a couple of weeks hammering out the scope and details for the ac replacement. They were extremely professional...
Cytech Heating & Cooling L C
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Reviewed in February 2016
Jesse (Owner) was very professional in his assessments of what my A/C needs were. Before he quoted me a price, he thoroughly examined my current A/C units as well the the duct work. He laid out various options which would best suit my needs as well as my budget. His work crew reflected his...
Southern A/C and Heating Solutions
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Reviewed in March 2014
We have been using Snyder A/C for several years. We bought our present unit from them in 2009. At that time they replaced everything including tubing, but except the ducts. They checked for air leaks throughout. We are very conscious of our maintaining our A/C (the last one lasted 25 years and...
Snyder Air Conditioning
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Reviewed in August 2012
I began asking for quotes to replace our system and found Advill Air Conditioning to be the most congenial of all vendors. Mr. Villarreal explained our options, the pros and cons of those choices, the different costs associated with those choices, and patiently answered any additional questions...
Advill Air Conditioning LLC
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Find Air duct cleaners in San Juan

refactoring commercial duct insulation and metal

3801 Morrison road East apartment 6 weslaco Texas

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3801 Morrison road East apartment 6 weslaco Texas

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I want to shape over it sure for the US army for 8 years came back to weslaco Texas 78596 and been here for the rest of the this time still here maybe you could please help me help me out you can please touch your heart and help me I have for my father God I pray to every night go ask for that help please help me we can thank you very many men

Pinkerton's clean ducts

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Pinkerton's clean ducts

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6 years of experience

all ac duct cleaning, maintenance, installation and repair. residential, commercial

Quality Service on Demand LLC

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Quality Service on Demand LLC

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3 years of experience

We provide appliance repair/installation, gutter cleaning, lawn care, ceiling fan repair/installation, tv mounting, furniture assembly, tree trimming, painting, security camera installation, large trash/branch removal, trampoline setup, roof tile treatment, cleaning services, and more! We take the time to explain our product choices because we believe in making smart environmental choices. Our team brings a confident 12 years of experience, and we are owner operated, which means we bring competitive rates to keep more of your hard-earned money in your pocket!

JM breeze Airconditioning and Heating

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JM breeze Airconditioning and Heating

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Emergency services offered

JM Breeze Air Conditioning & Heating. Our company is passionate about creating the best service experience our customers have ever had, and our technicians and management team are all fully certified with a wealth of real-world experience. We take pride in every heating & ac repair and new furnace and ac installation we perform because we always make sure that you get optimum performance from your HVAC system. JM Breeze Air Conditioning & Heating is the name you can trust for all your heating and air conditioning needs here in the Coastal Bend and beyond Residential Diagnostic is only $95.00 per visit. Our certified air conditioning technician will visit your home, diagnose your HVAC issues, and recommend to you the best option for your HVAC repair. With A New A/C install we will waive the $95.00!

Coyote Insulation Solutions LLC

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Coyote Insulation Solutions LLC

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5 years of experience

We are a owner-operated Insulation company specializing in Spray foam Insulation, Blow-in insulation, and removal of insulation.

JBR Construction

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JBR Construction

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17 years of experience

Here to offer top jobs at a normal price not in it to make a big win just here to help my fellow RGV. I understand the conditions and work ethics down here I’ve been living here my whole life.

Busy Bee Cleaning Services

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Busy Bee Cleaning Services

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We are a locally owned and operated professional cleaning company with over 40 years of experience. We offer commercial and residential Carpet, tile, upholstery, and mattress cleanings, along with pressure washing and ventahood cleanings.

J & I Air and Heating

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J & I Air and Heating

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Emergency services offered

Over 20 years of experience. 24 hour Service Calls, troubleshooting, installation of units, swap outs, Coil Cleans and General Maintenance.

Showing 1-10 of 42

Air Duct Cleaning questions, answered by experts

No, because closing air vents could damage your HVAC system. Closing a vent will only keep the air in the duct, not redirect it to a room or zone where you’d prefer it to be. That air will become trapped within your ductwork, creating a buildup of pressure that can damage the ducts and cause leaks.

Flex ducts' main problem is also their main strength: their flexibility. Because the material they are made from has little structural support, they can start to sag or compress over time. They can also be more challenging to clean than sturdier ductwork. However, it’s precisely this flexible nature that makes them a good solution for those who need a space-saving solution for their ductwork.

Return air ducts shouldn't be installed in closets, bathrooms, garages, kitchens, boiler rooms, furnace rooms, and attics. Kitchens can have return ducts if they only serve that kitchen and are at least 10 feet away from cooking appliances. Similarly, return ducts can only be installed in garages if they're part of a forced-air system that only serves the garage.

Several factors contribute to the persistent growth of mold in vents, with excess moisture being the most common culprit. Consistent mold formation in vents indicates an ongoing moisture problem within the HVAC system or its surroundings, likely caused by condensation on cool surfaces in areas with high humidity. Moisture accumulation can also result from leaks in ductwork, inadequate ventilation, or insufficient insulation, creating an environment favorable for mold growth. Regular inspections, addressing potential sources of moisture, maintaining proper ventilation, and routine HVAC maintenance can help prevent the recurrence of mold in vents. If the issue persists, seek professional assistance to identify and rectify the underlying problems.

For most homes, the common causes of poor airflow in a duct system are blockages, typically from dust, debris, or buildup. Other factors include leaky or disconnected ducts, improper duct sizing, and clogged air filters. These issues restrict airflow, reducing HVAC efficiency.

The San Juan, TX 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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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.
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Mar 3, 2025Mar 3, 2025
How to Remove Rust From Air Ducts: 6 Tips and When to Call a Pro
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How Long Does Air Duct Cleaning Take?
How long does air duct cleaning take? It may take three to four hours (or more or even less). Explore the factors that can shorten or lengthen that timeframe.