HVAC Duct Sealing And Why It’s Worth It

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Is HVAC Duct Sealing Worth It?

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When most people think about making home improvements, and specifically home energy efficiency improvements, the condition of their HVAC duct-work is often overlooked. Many homeowners tend to gravitate directly to more insulation, upgrading windows, or upgrading their AC equipment, and these are all great home improvements that will improve a home’s energy efficiency. Plus, they are all something a homeowner can say “would you look at those beautiful new windows” or “I just got the most efficient AC system available. Take a look at that unit outside!!”

Unfortunately, you basically never hear a homeowner bragging about how air-tight and perfectly laid out their duct-work is, because dragging a friend up into the attic to look at duct-work simply isn’t as sexy as new windows, or a shiny new AC unit outside. Making sure that your HVAC system and duct-work are properly sealed is an improvement that will pay for itself much faster than virtually any other home energy efficiency improvement. Plus, there are other paybacks from properly sealing your duct-work, including improved indoor air quality, and less dust and dirt in your air and on your furniture and floors.

The Environmental Protection Agency’s Energy Star Program says that leaky duct-work can reduce an HVAC system’s efficiency by up to 20%. According to many studies, leaky duct-work can increase your heating and cooling costs by 15%, 20%, and even up to 30%. 

How do you know that your home has leaky / poor performing ducts?

Take a look at your HVAC duct-work and ask yourself these questions:

  • Do you have high cooling and heating bills?
  • Do you have rooms that are difficult to heat and cool?
  • Do you have stuffy rooms that never seem to feel comfortable?
  • Are your ducts are located in an attic, crawlspace, or the garage?
  • Is your duct-work kinked, pinched, or twisted?

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HVAC Duct-Work & Indoor Air Quality

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When you have leaky duct-work, it means that there is dirty, unfiltered air getting into your duct-work and HVAC system. This dusty, dirty air is then distributed throughout your home every time you turn on your cooling and heating system.

Leaky duct-work also drastically increased the opportunity for mold growth everywhere there are leaks in the system. When the cool, conditioned air meets the warm, humid ambient air, condensation can be created. When moisture builds up in these leaky areas, it creates the perfect environment for mold growth.

Problems Caused By Poor Indoor Air Quality

Poor Indoor Air Quality has been tied to a variety of ailments. These ailments include irritation of the eyes, nose, and throat, headaches, dizziness, and fatigue. After exposure to some indoor air pollutants, many folks with asthma may experience increased difficulty breathing or other asthma-related issues.

long-term exposure to poor indoor air quality can lead to some respiratory diseases, heart disease, and cancer, and ultimately be severely debilitating or fatal. It is extremely important to try to improve the indoor air quality in your home even if symptoms are not noticeable.

It should be noted that poor indoor air quality will affect people differently. Some folks are more sensitive to indoor air pollutants and can have negative reactions almost immediately after entering a home with poor IAQ. Other people will show little, if any adverse reactions to poor IAQ, but there can still be long-term issues to contend with down the road.

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HVAC Duct Testing & Air Sealing

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Some homeowners prefer to try and check and seal their HVAC duct-work themselves, but this is an energy efficiency improvement that is really best left to a professional. To properly test your duct-work and identify where the leakage is occurring requires running a diagnostic test called a “duct blaster.” A duct blaster test essentially pressurizes your HVAC duct-work to determine how much leakage is occurring and helps identify exactly how much air is leaking from your duct-work. 

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Utility Company Incentives For Duct Sealing

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Many electric utility companies offer great incentives for homeowners that want to improve the energy efficiency of their homes, and this can include duct blaster testing and duct sealing services performed by professional providers. Diversified Energy has been working with some of the biggest electric utility companies in Louisiana and Mississippi for years to help homeowners improve the energy efficiency of their homes.

Many of these incentive programs will offset most, and in some cases, all of the cost of duct testing and duct sealing. Please note, most of these incentive programs work on a first-come, first-served basis and are subject to the annual budgets allotted to the programs. Click Here for more information about the incentive programs we work with.

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Wrapping It Up

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The importance of HVAC duct sealing can’t be overstated. Having your HVAC duct-work tested and properly sealed is one of the home improvements with the highest payback. Duct sealing can lower your heating and cooling costs by 15%, 20% or more. Duct sealing will reduce the amount of dust and dirt in your home, and reduce the opportunity for mold growth, thus improving your indoor air quality.

Even better … There are great electric utility company incentive programs that can offset some-to-all of the cost for HVAC duct testing and duct sealing.

Don’t let another day go by letting your hard earned money fly out of your leaky ducts, and dirty, unconditioned air get in. Contact Diversified Energy, and have our BPI certified technicians make proper duct testing and duct sealing part of an overall energy efficiency, and indoor air quality strategy for your home.

For more information about HVAC duct testing, duct-work air sealing, and overall home performance,  contact us today – 504-273-7779 – [email protected].

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Romell SmithRomell Smith
17:31 16 Apr 24
They came in and did an awesome job. All smiles, made sure the work was being done effectively, explained everything and gave me a couple pointers.... My CFM50 Reduction was almost 2000. A massive drop in inefficiency. They even cleaned up everything behind themselvesread more
Missy BarardMissy Barard
02:09 04 Apr 24
I am highly recommending diversified energy to everyone that is looking for a dependable company with very knowledgeable, hard-working, kind... responsible, neat workers that take the time and finish Your home with a fine tooth comb. The praise goes to Niki and Alli/Natristan This company couldn’t have sent me two better workers I appreciate everything that you have done. I’ve already referred you to a coworker and she’ll be looking forward to working with you all as well. Niki and Alli You all are a five star duel. Best wishes in your career. The work and the communication that you all has given, Sure makes a customers life at ease. Your Boss should give ya’ll a raise for making the company standards and values stronger . Thanks again for everything.read more
Anthony AlmericoAnthony Almerico
20:19 21 Mar 24
Nikki and her crew did an excellent job attending to my home energy needs. From the beginning, Nikki was very communicative letting me know exactly... what time the crew would arrive. They were very attentive to details, and made sure to keep me informed of everything that was going on throughout their work. They were even so kind as to let me know I had a roof leak, 😔, and notified me of it's location. They were mindful of my home and made sure not to disturb anything and even offered to help vacuum the house when they were done! They were also very aware, and kind, to my pup while going in and out the house, as he likes to dart around. Nikki made sure my gate and front door were always closed! (For those that have pets home while workers are present know how important this is.) I have had quite a few groups of people work on my home over the years and I can tell when someone cares about their work and when someone doesn't. Nikki and her team really cared, and I felt like I got to know them during the time they were working on my home. What a great job! It was a wonderful, EASY experience to work with them!read more
Blake CulpepperBlake Culpepper
18:50 09 Jan 24
Jeff and his team were very informative and helped me to understand the way my AC and insulation were contributing to moisture issues I was having.... Through an educational approach, we addressed the most pressing issues and will re-evaluate progress over time. We added spray foam over a previous spray foam job that was inadequately done, corrected damaged duct work under my house with insulation, and replaced an oversized AC unit, all of which were contributing to excess moisture and wasted energy costs in my home.Jeff and team were also very friendly and professional, which was refreshing when I was being oversold and pressured by another company. I would certainly recommend Diversified Air to friends and family.read more
TwiceonsondaysTwiceonsondays
14:31 04 Nov 23
Diversified Energy did a great job at my home for weatherization. The crew was extremely professional and curious. I would highly recommend this... company.read more
Gary ClementsGary Clements
17:05 07 Oct 23
Diversified Energy, from its owner, Jeff Haag, to its team led by Nikki, were thorough, competent, professional, hard-working and cost-effective. We... had our attic ductwork sealed and then the entire attic floor insulated with blown-in cellulose fiber, covered completely by sheets of the cutting edge technology of QV Platinum PCM (Phase Change Material) [Diversified Energy is the sole provider of this technology in the metro area]. Our A/C system works less now, even with continuing heat. We recommend Diversified Energy for upgrading your home’s energy efficiency!!read more
Jason RiggsJason Riggs
11:26 05 Oct 23
Jeff Haag and Diversified Energy went above and beyond while consulting with my client about insulation and home efficiency. He is very... knowledgeable and has insulated multiple homes for me, always with good results. Very responsive too.read more
Gena McKenzieGena McKenzie
14:06 13 Sep 23
sandy andrepontsandy andrepont
16:04 31 May 23
Nikki and her team did a wonderful in my home. They sprayed insulation, sealed air ducts and attic and much more. Nikki explained everything that was... being done, very professional and respectful of me and my home. I highly recommend them!read more
Rudy LinhubRudy Linhub
15:20 15 May 23
When only the best customer service and installation will do. They foam insulated my attic and installed an American Standard heat pump. Quick, easy... and in budget. A rare business find.Thanks Jeff!read more
Jenna DuplechienJenna Duplechien
21:38 11 May 23
Niki Aguillard and her crew came out to my house and did a fantastic job! They texted me what time they would arrive and they were on time. They made... sure every crack was sealed in my house and even put door sliders on the doors to keep the air from flowing in. They completely insulated the attic. They were very friendly and kind overall did an amazing job I’m very pleased with how they went over and beyond to ease every concern I had and I really appreciate their hard work. Would definitely recommend Diversified Energy “Plug into Comfort”read more
Joel HenschenJoel Henschen
22:57 13 Mar 23
We had a great experience working with Diversified Energy. They were always willing to communicate and take care of any issue that popped up. One... of the best and most honest contractors I have dealt with. I will definitely use them again in the future. Thank you!read more
Dolores FryouxDolores Fryoux
21:37 28 Oct 22
Niki and Damon did a great job today!! They really answered All my questions and concerns. I am very happy with the whole process and highly... recommend this company.read more
Avis JamesAvis James
18:27 13 Oct 22
Nikki and her crew sealed in the attic, around doors and around plumbing pipes. Then they returned to add insulation. Very professional. Great job.
Rebecca WhitakerRebecca Whitaker
00:08 25 Sep 22
Blake came out and did an energy audit of my place of residence. He was very gracious and professional. He respected my request for him to remove his... shoes and was patient enough to answer my questions. Thank you, Blake!read more
Darrin ClarkDarrin Clark
18:10 27 Jul 22
Niki crew came and explained the job details and performed very professional and in a timely manner and I was satisfied with the whole process and... would recommend to anyone that is in need of the services they provideread more
Dave ODave O
15:55 16 Oct 21
First off these are some friendly and professional people! They came in to our home and had nothing but respect and explained things in a way that... was more family/friend based than technical. BIG shout out to Mike and Ryan for the amazing help and work! They tested the house and did all the checks as well as made sure we had stuff in place. They hooked us up with a great light package that should help our energy use as well as lighting needs. Everything is top notch and amazing customer service!read more
Summer CarterSummer Carter
20:31 18 Mar 19
I had such a great experience with Jack, Shamone, and Chad! They were extremely friendly and very professional! Jack explained what would take place... the morning of my appointment and answered all of my questions! They were all very understanding of my very noisy three year old as well! Thank you again you guys for such a pleasurable experience!read more
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Diversified Energy is fully insured and licensed - State Licensing Board for Contractors - License number: 885628

Diversified Energy Is A Proud Member Of The Greater New Orleans Home Builders Association
Diversified Energy Is A BPI Certified Contractor
Diversified Energy Is A Proud Member Of The Spray Polyurethane Foam Alliance
Diversified Energy Is Proud To Be An Energy Star Partner