Why insulate ductwork?

• <div><p>When you insulate ductwork, you help protect the air moving through the system from external conditions and keep it sealed within the ducts. This makes your HVAC system more efficient since it doesn’t have to work as hard to heat or cool your home. Insulation can help lower your energy bills and prevent problems like condensation and mold formation inside your ducts. </p></div>

Get matched with top air duct cleaners in Keaau, HI

Q: How do I know if I need my air ducts cleaned?

• <div><p>Signs that you need your air ducts cleaned include a musty or stale smell when your HVAC is running, signs of mold or mildew near vents, higher energy bills with no major changes, dust on your vents, or an increase of pests in your home. </p></div>

Q: How do you get a smoke smell out of your house?

• <div><p>Smoke can be tricky to remove from your home, especially after a fire. The best way to eliminate the smell is to open the windows to increase ventilation and air circulation in your house. Then, use white vinegar to wipe down walls, furniture, and floors. Try steam-cleaning carpet and other upholstered items to remove the smell of smoke.</p></div>

Q: How do I measure duct CFM?

• <div><p>A calculation method that your HVAC contractor will use to ensure your system does what it's supposed to is measuring duct output, or its CFM. The calculation requires knowing the cross-sectional area of the ductwork and determining the air speed past any given point within it. </p></div>

Q: Is rust in ductwork bad?

• <div><p>Yes, rust in ductwork is bad if it&rsquo;s left untreated. Mild rust can be removed before it causes any significant damage. However, if you ignore rust, it can affect the structural integrity of the ductwork, and you&rsquo;ll eventually need to replace it entirely. In addition, rust-causing moisture in ducts can also cause mold growth. </p></div>

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Verified Reviews for Air Duct Cleaning pros in Keaau, HI

*The Angi rating for Air Duct Cleaning companies in Keaau, HI 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 Keaau, HI 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 11, 2025

Reviewed in October 2024
(Gutter Cleaning)
Abrojena Holding Company
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Reviewed in December 2022
Mark was responsive and honest. His team came out and did a great job. He helped us with the pricing and got us a fair price on great equipment. It is never easy to purchase two new AC units for your home, but Coolmark made it as painless as possible.
Coolmark Heating & Air
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Reviewed in October 2022
They were prompt... respectful. Very nice and performed the cleaning efficiently.
Aloha Kai Cleaners
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Reviewed in June 2019
Great! This was the first job Phil did for us, he was prompt, clean and careful with details.
Platinum Remodeling & Handyman Services
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Reviewed in January 2018
Ian is punctual, professional, and a delight to have in my home. A former general contractor, he now specializes in cleaning windows for homeowner, commercial, and industrial clients. He has all equipment to reach all my windows, some of which are 35' high. He wears shoe protectors when inside....
The Window Guy
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Reviewed in December 2016
Francisco was absolutely great. He was on time, professional and very nice to work with. He took the time to carefully clear not only the ducts and vents but he also the area around each vent. I would highly recommend
FGglobal services
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Reviewed in September 2016
The initial installation was done by non-qualified installers. The system did not work. A qualified HVAC man came in and got the system going, but it soon failed, again. I contacted Hawaii Sheet Metal & Mechanical. Their crew found two leaks and repaired them. The system then worked in two rooms...
Hawaii Sheet Metal & Mechanical, Inc.
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Reviewed in June 2014
Twin Cities furnace cleaning contacted me within an hour of purchasing the cleaning special to schedule the cleaning. We had just replaced our furnace and a/c and wanted to start off clean. We were able to schedule the cleaning within a week. The service guy showed up pretty much right on time...
Twin Cities Furnace Cleaning Inc
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Reviewed in February 2013
I cleaned alongside them to do the deep, deep cleaning like the outside top of the kitchen cupboards. I was getting ready for a party; so I did all the ladder work? fans, lights, upper windows. They did vacuuming, lower surfaces, and cleaning floors. They were all cheerful. We all worked...
America's Best, Inc
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Reviewed in October 2011
Mark and his assistent worked quickly and efficiently to clean the ductwork. They were neat and clean. They moved anything that was in the way blocking access the vents and then put it back in place. The scheduling process was easy and they came when promised. The pricing was stated while...
Brouillette Home Service
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Find Air duct cleaners in Keaau

Having a well-functioning HVAC system is essential for any Island Of Oahu property owner. For all of your HVAC needs, trust the professionals at Consolidated Systems.

Stanley Steemer - Waikoloa

4.50(

)

Stanley Steemer - Waikoloa

4.50(

)

Customers say: Quick response

Recommended by 100% of Angi customers

See website for more service areas

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.

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

When you insulate ductwork, you help protect the air moving through the system from external conditions and keep it sealed within the ducts. This makes your HVAC system more efficient since it doesn’t have to work as hard to heat or cool your home. Insulation can help lower your energy bills and prevent problems like condensation and mold formation inside your ducts.

Signs that you need your air ducts cleaned include a musty or stale smell when your HVAC is running, signs of mold or mildew near vents, higher energy bills with no major changes, dust on your vents, or an increase of pests in your home.

Smoke can be tricky to remove from your home, especially after a fire. The best way to eliminate the smell is to open the windows to increase ventilation and air circulation in your house. Then, use white vinegar to wipe down walls, furniture, and floors. Try steam-cleaning carpet and other upholstered items to remove the smell of smoke.

A calculation method that your HVAC contractor will use to ensure your system does what it's supposed to is measuring duct output, or its CFM. The calculation requires knowing the cross-sectional area of the ductwork and determining the air speed past any given point within it.

Yes, rust in ductwork is bad if it’s left untreated. Mild rust can be removed before it causes any significant damage. However, if you ignore rust, it can affect the structural integrity of the ductwork, and you’ll eventually need to replace it entirely. In addition, rust-causing moisture in ducts can also cause mold growth.

The Keaau, HI homeowners’ guide to air duct cleaning services

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