How to install flex duct in mobile home 05 friction rate and follow the steps above. Install duct fully extended, do not install in the compressed state 4. Heavy-duct black polyethylene jacket. The downflow furnace/blower unit is near one end of the house, with a single run of duct going the length of the floor, east to west, and feeding 6 floor registers in a straight line, 1 to each room. 0105. trutechtools. Once you've stretched out both lengths, simply adjust one collar Consider duct layout in the initial framing design stage to plan for short, straight duct runs wherever possible. What do you think about flexible duct vs metal duct? We chose flexible duct because it is easier to Hi all, hoping for some advice. Fully Extend the Flex . Customers say the insulated flexible duct is easy to install and offers excellent insulation value, significantly improving heating and cooling efficiency. It collects dust and is almost impossible to clean. Use flexible ducts to attach supply air outlets, crossover ducting for double or triple wide homes, or Newbie - I'm not sure if this the right forum but I have to start somewhere - I'm replacing flex duct to a mobile home (I took the Skillcat HVAC certification course but they didn't cover this situation). for you. Animals have no particular reason the chew the ducts, but sometimes they will anyway. x 25 ft. Reply reply The 8 Inch Insulated Flexible Mobile Home Duct – R4. Choose Flexible Ductwork to Reduce Noise. 50 to$11. The original size of the duct work were two 15"x4" duct on both sides. 7 %âãÏÓ 149 0 obj > endobj xref 149 39 0000000016 00000 n 0000001790 00000 n 0000001966 00000 n 0000002476 00000 n 0000002513 00000 n 0000002561 00000 n 0000002675 00000 n 0000004887 00000 n 0000005358 00000 n 0000005989 00000 n 0000006250 00000 n 0000006781 00000 n 0000007045 00000 n 0000007683 00000 n Now, let’s get ready to transform your mobile home into the comfortable oasis you deserve! Step 1: Installing the Outdoor Unit. Read on for more information about choosing a flexible mobile home duct. You will have to cut a new opening in the home(be careful. Webbing can be used I have used plumbers tape (a metal strip with holes) at the first support after a rise I will screw a saddle of scrap ductwork to keep the duct from collapsing. Flexible ducting comes pre-insulated, which is a installing wye in ducts for double wide mobile home In this video we show you the correct way to connect flexible duct to a round collar to ensure no air leaks into the attic. In residential HVAC, almost all ducting should be metal unless you are dealing with a drop ceiling. com Follow If you insulate under a mobile home you can save money. This helps guide the airflow to rooms at a farther dis The cost of flexible ducting depends on the material of ducting you want to purchase. Pro tip: Use no more than 25 feet. After watching some youtube videos we are under impression that the optimal way of doing this is do it using mostly rigid duct except for Many mobile homes have a central furnace heating system, much like traditional homes. 694. of 4-inch duct, and subtract 5 feet for every 90-degree turn and 2 1/2 feet for every 45-degree turn for dryer vent installation. 65 per linear foot. 0 insulation and add a 90 degree elbow at the register to keep it from crimping. Metal skirting was open so animals could reach and dig into the insulation. Finally, use duct tape to seal the joint and prevent any leaks. 10 friction rate on a duct calculator for sizing, and assume a six-inch duct delivers 100 cfm. The more compressed the duct is when installed, the greater the air resistance of the duct will be But typically, Non-Flexible duct board: "fibrous" insulating board is rated for temperatures between 0F (-18C) and 450F (232C) Owens Corining flex duct rating is given by the company as HVAC duct systems operating at internal air velocities not exceeding rated duct liner limitations as listed below, and internal air temperatures between -20°F (-29°C) and 250°F (121°C) and air marksr I think it should be possible to use flex duct as a main trunk for a mobile home. These services help remove contaminants and improve the overall air quality in your mobile home. For example, flexible aluminum ducting plus installation costs between $6. Because that is the best use of the available space in the house. 11 perms for Black Jacket and 0. How to Install Round Sheet Metal Duct – Part 2 Plenum start collar and adjustable elbow. 877. Everything I have read here says to use hard duct wherever possible Hint — start by using small strips of Flex-Mend to hold the polyethylene up in place. 6-Inch Flex Always install per instructions and seal using approved mastic or sealant (or approved tape) Return Policy; Product Information. The choice of material depends on factors such as cost, application, airflow requirements, and fire rating. 2 fiberglass insulation. 7. C. The construction methods used to assemble these air duct systems — the moving process, the way they are connected at their final destination, and And flex duct manufacturers do a good job of providing installation information. If you choose to use flexible ducts for In this video we show you how to correctly connect two pieces of 6' flex duct to each other. They 4. When new flex duct is needed, select insulation (duct wrap or flex duct) with a minimum R-8. For Installing flex duct in crawl space. Seal all ductwork seams for maximum efficiency; duct sealant sold separately. That said it is vulnerable to punctures, animals and other hazards. How much would a fair HVAC professional charge for replacing it? Appreciate your input. We would like to show you a description here but the site won’t allow us. I want to replace that with 1 12" rd duct and branch off that too all the rooms. When I crawled under the trailer it is very Flex duct is commonly used in crawl spaces. In this tutorial I am happy to show you how to properly install flexible duct to a Even though my house sits on a full foundation, critters still manage to get in and wreak havoc on my heating systems air ducts. Flex ducts could be in imminent danger. They are made of insulated flex duct that is fitted with a metal collar. com (Use promo code Bob’s not a fan of flexible heating ductwork. Like yoga, flexibility is best when it comes to ductwork! If you need to replace ductwork, install flexible ducts for noise reduction. When considering how to install ductwork, you’ll need to select a duct layout design that supports the size of your home. They’re made with a steel spring coil covered in thick plastic. One option to consider is replacing insulated flexible ducts with rigid metal ducts. Non-metallic flexible ducting installation costs $6. The unit I am considering is the Broan HRV160TE and they state that 6" insulated flex duct should be used for the incoming fresh air and the exhausting stale air. It's great to have some flex duct so that you'll have some wiggle room a Crossover ducts are used in manufactured homes to carry both heated and cooled air from the main duct to the registers that are placed throughout the house. Insulated Flexible Duct R4. Installation of Home Flex Ducts Are Also Different. Customers say the flexible duct for To install a register box take little skill if you take the time to prep. How to Install an Air Duct in a Suspended Drywall Ceiling – Part 2 Connect the flexible duct branch line. Duct Kit has everything you need to connect a packaged heating and A/C unit except for the 14 in. flexible ducts larger. Free, online Flexible Ducting cost guide breaks down fair prices in your area. Use our Cost Calculator for cost estimate examples customized to the location, size and options of your project. 1, 5. Fortunately, manufactured home builders have gotten a lot better after the HUD code regulations began and, of course, there have been significant advances in mobile Low humidity area panduit the slinky part, then duct tape with the nylon type duct tape so the slinky can't fall off, then panduit the Mylar part after rolling the Mylar under to cover the insulationin high humidity areas the same thing except use gray high velocity sealer(the rubbery stuff, forget anything with kote in the name) to seal the Mylar part so air can't get in and cause Round FLEXIBLE Duct. CONTACT US For use in manufactured housing and mobile home heating and air conditioning systems. All duct will be rigid, and will use diffuser instead of registers for both stale and fresh air. Many appreciate its durability and the quality of materials, particularly the R8 insulation. Some guidelines suggest pulling a 25′ piece of fully extended flex for one full minute before attempting to install it. Leaky ducts are a common problem in manufactured or mobile homes. Oversized Core. The mobile home I live in is a 1979 with bad ductwork , I haven't had a working furnace for over 15 years because the main trunk is bad , it has tons of holes in it and for some reason parts of the ductwork is missing and been told I need a total replacement , so I have been using I am trying to find the best and most cost-effective way to replace the ductwork under a 14X80 1980's mobile home in NE Oklahoma. $5,000 for full home installation. Inspect before drywall is installed to ensure that ductwork is installed in the straightest line possible from the air handler to the end of the trunk line and from the trunk line to the supply air registers, that the flexible duct is pulled taut and properly supported, and that Use T connectors for most branches, with two ends that fit inside the main supply duct and a T end that fastens to the branch duct, typically smaller than the main duct. Let’s break down the most commonly used sizes in mobile homes. #hvac #hvactraining Sign up for live stream n Hello. Raise the webbing until the bottom of the flex duct sits 1/2 to 1 inch off the bottom of the attic floor. However, the duct work for the furnace system runs under the mobile home and attaches to the floor via metal straps. Branch ducts split the airflow from the main trunk duct and divert it to individual areas or rooms of a home. 07 perms for Manufactured Housing Job Name Submitter: Date: Location Contractor Engineer Architect QFSD-001-01 Class 1 Insulated Flexible Air Duct PE The 8 Inch Insulated Flexible Mobile Home Duct – R4. First, you need to make sure that the crawl space is large enough to accommodate the ductwork. 2. Run new branches to existing registers using six When my home was built in 2016 the HVAC runs from the furnace in the basement up through the house uses 7" R4. Replacing an underbelly is probably one of the most difficult repairs on a manufactured home, mostly because of the lack of working room. They take pictures of terrible flex duct installations in crummy attics and link to this T SCOPE. Put in some rat traps and be happy I'd say. Its flexibility and sturdy build make installation easy, providing reliable performance and energy This video was shared by Allied Complete Furnace and AC Repair in Kenmore Washington 98028 You'll need a larger flex duct. Coming INSTALL EVERBILT PREMIUM QUICK CONNECT FLEX DUCT FOR GAS AND ELECTRIC DRYER VENTING HEAT RATED TO 250 DEGREES https://www. According to the Mobile Park Home Owners Allegiance, this is because the homes usually are not secured onto the ground like a house, which creates more entry points underneath the home. So of the ducts are crimped because they have no overhead support. Pull the webbing back toward the joist to form a loop. Downdraft furnaces, coupled with under-floor trunk lines and risers, are still the standard installation method, and the workmanship is often inferior. 5" ESP , but, does anyone know what typical ESP actually run on Building Science Geeks love to hate on flex duct in HVAC systems. But Flexible ducts. 2 energy codes Fit the duct collar over the hole in the main duct and attach it. According to Home Advisor, the cost of replacing or Whether you are a mobile home resident or a regular home “flipper†specializing in renovations, it’s beneficial to know how to install or replace a flexible mobile home duct for a heating and air-conditioning unit. 0107. If installing the duct fan in metal duct, secure the duct fan to the duct with metal-backed duct tape and sheet-metal screws. In new Energy Star homes or EarthCraft Houses, it’s usually better, but I don’t think If by replacing the duct work you mean the round flex pipe connecting your A/C unit, and your two halves of your duct work (for doublewide), then the price for that would be $600. Another common problem with dryer vents in mobile homes is the exhaust duct. Input project size, product quality and labor type to get Flexible Ducting material pricing and installation cost estimate examples. Since a vent cover blew of Phil shows you exactly how to measure the cross over ductwork for your double-wide mobile home. Can the flexible ducts under a mobile home be on the ground? [24CFR-3285. Easy to install, all products you can get at a local hardware store, connect and i Want to learn how to install or replace a dryer exhaust vent? You've come to the right place! In this bonus episode, I'm sharing a few simple tips on how to To install a 90° duct elbow is really simple as long as you understand the conceptual design of sheet metal ducting installation. In our LONGEST VIDEO YET, get a comprehensive tour of the concepts, design, tools, and install tips that go into building a home's breathing apparatus- the c First, mark the desired location on the flex duct. 16 inch flex duct can only move 1000 cfms of air at best and your 4 ton needs 1600 cfms. While some aspects of ductwork installation, particularly involving flexible ducts or minor modifications, may be within the reach of experienced DIY enthusiasts, the majority of ductwork installation projects are best left to professionals. Internet # 100112606. The duct runs under the floor in a single line and the register boxes and plenum attach from above. Clothes Dryer Vent Transition . Use a sharp utility knife to cut a hole slightly smaller than the diameter of the new duct. If flexible ductwork is installed wrong, it can kink or bunch up, which increases air resistance. LET’S GET IN TOUCH. The packaged unit was installed with round starter collars attached to rectangular flanges on the unit, but after removing the old flex, it looks like the last tech might If you’re a home remodeler (or a mobile home resident yourself), you need to be ready to deal with possible heating and cooling system challenges, such as a situation where you need to install or replace some of the ductwork. The flex duct under my double-wide mobile home needs replacing. In this video I stress preparation more than the actual install. . Site-built homes and apartments don’t have that problem, but mobile home duct openings are at high risk of flooding through water spillage from sinks and tubs. Mobile Homes: Plural form of mobile home. Flex ducts are vital in modern HVAC systems as they can improve the efficiency and performance of your HVAC system. It is easier and less messier with 6 3/8 hole saw. Adding better insulation to the walls reduced heat loss by 13%. The last table on the right (or below if you’re viewing on a phone) shows the return duct size for HVAC unit from 1. A little confused, are you asking if the ducts are taped, or did you say they are taped to the ground. This short adventure begins with a trip onto a steel roof to install t http://www. But with the extra length and bends, you might consider bumping it to a 12-inch diameter. 65 - $22. 3669. Earlier in the year I decked 3/4 of the attic after adding extra insulation so working in the attic isn't that bad. Cut a hole in the floor just large enough to accommodate the duct work. In the basement, secure the new duct work to a joist by running a hanger I’ve been in thousands of houses, both new construction and older homes, and I’ve seen a lot of flex duct. com/qualityhvacr?fan_landing=true— Check out @TruTech Tools, LTD —https://www. patreon. If so, proceed with these simple steps: 1. Additions: If new flex duct is added to an existing home, either as part of an addition or an equipment upgrade, ensure that the flex duct is installed in runs that are as short, straight, and direct as possible, and properly support the duct through the use of hangers or stands as noted in the Description tab. Repair torn or damaged vapor barrier/jacket with duct tape listed and labeled to Standard UL 181B. Now that you’re all prepped, it’s time to get down to business and install the outdoor The ducting seems to be a 4x14 box that runs the length of the mobile home in line with the furnace with registers venting into each room down the line. Remember I mentioned earlier, all the diffuser neck size is 150mm (6″) and thus, all the flexible duct size is also 150mm (6″). Being flexible makes this duct a good choice to fit in tight spaces. 2 That duct is not done properly notice how the duct is collapsed. INSTALLATION 1 . Second, you need to ensure that the crawl space is well-ventilated to prevent condensation from forming on the QUIETFLEX - QFX1281, 1281, Get the ductwork mobile homes need. How to Install a In January 2025 the estimated cost to Install a Duct starts at $13. Its flexible design and robust construction make installation a breeze, ensuring consistent performance and energy efficiency for mobile home HVAC systems. Also used tape, zip ties (36"), Most manufactured homes get the bare minimums which typically leads to very inefficient HVAC systems. The Quietflex mobile home flex duct has a heavy-duty, UV-inhibited, polyethylene-vapor barrier and complies with HUD standards for outdoor use with mobile homes. When there is greater air resistance, it decreases the efficiency of the HVAC system exponentially. Installing flex ducts is a manageable DIY project that requires the right tools and guidance. Many like to use the . Installing ductwork involves a complex understanding of HVAC systems, airflow dynamics, and building codes. 07 perms for Manufactured Housing Job Name Submitter: Date: Location Contractor Engineer Architect QFSD-001-01 Class 1 Insulated Flexible Air Duct PE Royal Metal Products / Flexible Duct / #903 Mobile Home Flex Duct (Black ( Entertek Laboratories ) in accordance with ADC Flexible Duct Performance and Installation Standards. to/3NIFJuORound Duct Crimper: Run a central return off Pkg unit to mobile home. Follow these do-it-yourself tips for making your ducts tight and ensuring your home stays c Slide the webbing under the flex duct. You should go up to 20 inch flex duct. Thanks. How to Install and connect flexible ductwork to a register in the ceiling. I'd like to replace the entire system with flex duct and new registers. But using it because it’s easy to install? Manufactured home ductwork is usually part of the larger HVAC system, but it is purchased and installed separately. [Most flex ducts are 25” Whether you are a mobile home resident or a regular home “flipper†specializing in renovations, it’s beneficial to know how to install or replace a flexible mobile home duct for a heating and air-conditioning unit. Even though a flexible air duct is more accessible, it should never bend at more Flexible duct work installation is a pretty easy process. Watch this video and learn — SUPPORT THE CHANNEL —https://www. In this video we change out the 28 year old polybutylene (AKA Poly B) plumbing supply pipes in our mobile home project and replace it with modern PEX piping. Some major issues in older mobile homes Replacing these aging ducts not only addresses issues with climate control and air quality but also enhances the overall efficiency and performance of the central HVAC system, ensuring more effective and reliable heating and cooling in older homes. Fiberglass reinforcing scrim. homedepot. There are different types of duct materials available such as metal or flex; and each has its own advantages and disadvantages in terms of durability, cost, installation ease, maintenance requirements, and energy efficiency. Poor installation: If your ductwork was not installed properly, “Leaky ducts are common in older Suppose your mobile home has an HVAC system with a CFM of 1000, and your old duct run is 40 feet with two bends. Then I try to order 16 and 18 mobile home flex from Baker and they can't even get it- like it doesn't even exist. 2 insulation is a standout choice, delivering reliable airflow and insulation at a price that’s almost too good to be true. com/p/Everbilt-4-in-x-6-f The Installation of Mobile Home Flex Ducts is Different. Flexible duct is easy to install, and it can be used in a variety of applications. Remember to get a quotation on whether the ducting you want is insulated or I have a mobile home and need to vent the dryer out. 5. 5 tons to 5 tons for ROUND FLEXIBLE duct. ⏱️⏱️Chapters⏱️⏱️00:00 Intro00:12 Showing Crossover duct work, How To Properly Install A Flex Duct In A Mobile Home. Electric furnaces are power eaters drawing tons of ele The mobile home is about 1500 sf with the add on. In this guide, we will walk you through the steps to install flex duct in your mobile or manufactured home, helping you improve your indoor air quality and overall comfort. Installing the mobile home ducts could be a challenge, as they are much more exposed to outside elements such as wind. Insulated Sleeve. Although the underside of Our services include air duct cleaning, air duct replacement, air conditioning coil cleaning, and dryer vent cleaning. Even slightly loose and you're looking at a significant increase in pressure drop, and as typically installed, even 8" flex duct has higher pressure drop than 6" rigid sheet metal. Cut the flex duct. Flexible ducts are cheaper and easier to install than rigid ducts. ERV and When the branch duct reaches the end, I draw a curve line connecting the diffuser to the duct, indicating a flexible duct connection. 3 - 4 TON UNITS AND THEY ARE RUNNING OFF 12 OR 14 FLEX. I can find lots of info on how to add a collar to tap into a sheet metal duct, but I'm not seeing how to appropriately tap into a Loosen the clamps securing the flexible vent duct to the back of the dryer and the outside dryer vent with a Phillips-head screwdriver. Then, attach the new flex duct to Updated 2-6-23 Phil shows you exactly how to measure the cross over ductwork for your double-wide mobile home. This will help you install newly ran flexible Many mobile homes built before 1976 only have between 1 and 4 inches of poor quality insulation if they have any at all. i also cover the c Save up to 30% when you sign up with this link to Housecall Pro!https://housecallpro. What do you think about flexible duct vs metal duct? We chose flexible duct because it is easier to Get 2025 Flexible Ducting price options and installation cost ranges. to/3Axao94Malco Drive Bender Folding Tool: https://amzn. 4-Inch Flex Duct; This little guy is perfect for smaller spaces, like tiny homes or compact sections of a larger mobile home. 2 is a stellar investment with an excellent price, delivering exceptional performance and durability that significantly enhance mobile home HVAC efficiency, a must-have upgrade. The upside to flex duct is it’s ease of installation. How to Install Flexible Duct. It’s easy to install, affordable, and can be used to fit into tight spaces. Metal duct can be easily insulated and they are way easier to clean than flex duct. Run a large size plenum under home from Pkg unit. Next, slip the flex duct over the end of the metal duct and secure it tightly with a metal clamp. Oversized core to fit on collars and register boxes. 1 Installation Instructions for Air Ducts and Air Connectors - Nonmetallic with Plain Ends Step 1: : After desired length is determined, cut completely around and through duct with knife or scissors. however, have not evolved. com How to install a dryer vent flexible connection is easy, when you know how. In this video, I share with you how I install a HVAC air duct floor vent. Does it mater that I have the 12" Flex tube connecting to the end and not T into the main pipe? The Quietflex® Mobile Home Flex Duct has a heavy-duty, UV-inhibited, polyethylene-vapor barrier and complies with HUD standards for outdoor use with mobile homes. Apply some heat to the Flex-Mend tape for a faster bond. Flex ductwork comes in several standard sizes, typically 4 to 14 inches in diameter. Secure the second end of the webbing to the side of the joist with a The existing duct work leaks and we can smell and feel the cold air from return intake when there is wind outside. You don't know how to install a flexible dryer vent The Quietflex Mobile Home Flex Duct has a heavy-duty, UV-inhibited, polyethylene-vapor barrier and complies with HUD standards for outdoor use with mobile homes. Flex ducts are a flexible, insulated tubing used to distribute conditioned air throughout your home. The ability to conform to areas of a structure that would take many more hours to complete if it were done in rigid pipe. Flimsy mobile home construction). It is used to connect different parts of an HVAC system, such as the furnace and the registers. • The Quietflex UV-Inhibited Black Jacket Flex Duct and Manufactured Housing Flex Duct have a UV-Inhibited polyethylene vapor barrier • Vapor transmission: 0. Additionally, you An HVAC system needs ductwork and one type of ductwork used is called a flex duct, which is short for flexible duct. The exhaust duct is the part of Won't really work if you're switching from rigid to flex duct; flex duct only allows comparable airflow when perfectly installed, pulled completely taut. VideoJoeKnows. It’s petite but can pack a punch in the right situation. These metal ducts are known for their durability and better airflow, ensuring that your HVAC system works efficiently. PERFORMANCE DATA. The flexible duct between the two If installing the duct fan in flex duct, secure the inner liner with metal-backed duct tape and a duct strap. We are a highly interactive channel to help you with all your sheet metal and ducting installation. If you must use a metal duct calculator and rule of thumb, size your ducts at the . Flex ducts are made of plastic. Place one vent clamp over one end of the periscope dryer vent duct. There’s no question that flexible duct is easier to install than metal ductwork, but consider this: Flexible duct can degrade over time. In this video I install the exhaust ducting and gable vent for a bathroom ceiling fan. Conventional furnaces cannot be used on Mobile Homes because they arent designed to operate beyond . There are many ways but this is the way I do it efficiently with quality and time. Hence, I don’t really indicate the size in the layout drawing. How can we move past this proposed change and ADC Flexible Duct Performance & Installation Standards Fifth Edition 4. Johns Manville insulation. Term'nal dev'ces shall be supported independently of the flexible duct. Install an end cap at the end of the main duct. Use rigid metal ducting instead of flexible ducting, which can trap lint and other debris. Even if the insulation was installed, many builders left voids and gaps throughout the home. Mobile Home 12 in. Run duct work through the hole. 2 insulated flex duct. This is about installing flex duct system for a part of my HVAC realignment project. Existing Buildings: In an existing building with flex duct and an under This 20ft straight run would be perfect for a large flexible duct, and ductwork wyes are available to create the smaller branches. %PDF-1. If you’re in need of I’m installing ERV and I was wondering if insulation is needed on the ducts. Seal all seams with heat I have decided to change out the flex duct to a larger 8" flex duct with R-8. Due to poor installation methods, the International Association of Plumbing and Mechanical Officials (IAPMO) is proposing to limit use of flexible duct to only five feet in length. Havent worked on Mobile Homes but want to start. Richard and Obie show Kev The Master Flow Mobile/Manufactured Home 14 in. Uninsulated Flex Connector. Do you have solid aluminum ducts or flex duct? Since you have the manuel look on page 5-1, shows a pic of the flexible duct. A thought I had was to buy 8" flex ducting, and use fish tape to actually pull it through the "existing" ducting across the mobile home, going room to room, then cutting out an opening in I have a trunk that is the single return for a large furnace. Flex duct is cheaper to install than hard duct, and (at least initially) it is easier to make it not leak. The metal collar attaches the crossover duct to the main trunk duct, or rigid duct. There is not much head room under a mobile homecrawlspaces and attics usually double the time it takes to install a new duct system. 50 to $10 per linear foot. Richard Trethewey is in the basement where the ductwork is being connected and installed by HVAC contractor Obie Rosa and his crew. It's also possible to hang flexible metal ducting from the joists, and if that's the kind you already have, you'll want to use that kind again. I am in the process of finishing my basement and I would like to tap into the existing runs. This guide will make it easy to understand how to connect a flex duct together and ensure your HVAC Using a flex duct for straight runs is usually fine, especially if you’re doing it as part of a deliberate and meticulous custom ductwork design for a home. 50 per linear foot. Give us a call at 1. How to Replace a Mobile Home Underbelly. The curves in these ducts outsmart the sound, keeping it from traveling in a straight line. ⏱️⏱️Chapters⏱️⏱️00:00 Intro00:12 Showing Crossover duct work, want to use wrapped metal to prevent rusting out01:13 Has 2 crossover01:53 How to measure for duct you need 🙏 Subscribe, 👍, it helps a lot!! / 💬: ask@straightarrowrepair. Over the last 3 decades, the National Renewable Energy Laboratory (NREL) has partnered with the US Department of Energy to test various methods of energy efficiency for old and new manufactured homes. 606(e)] for manufactured/mobile homes states that the ducts must be installed to manufacturer’s instructions and “ducts must be suspended or supported above the ground by straps or other means that are spaced at a maximum distance not to exceed 4′-0 To establish a duct network, many HVAC blend rigid and flex air ducts. Durable core constructed with non-corrosive coated wire. Flexible duct is a type of HVAC ductwork that is made from a pliable material, such as aluminum or fiberglass. Crawling under the house this week and working on repairing our HVAC flex duct. The metal ductwork is rusted and full of holes. Packaged Heat and AC Unit!- How to Seal it up to a House or Mobile Home! This is how to seal up the connection between the Packaged unit and the home or buil As stated above, water supply and drain lines in the area between the ground and the bottom of the mobile home is the most common place to install heat tape for mobile and manufactured homes. Store SKU # 590332. The price would Im an HVAC Tech. Pre-Collared Flex Duct. Energy efficient R-4. Flexible duct work installation is a pretty easy process. The trunk is 18" flex duct, and I would like to tap into it with an additional tap (likely a 6"). Remove the flexible duct from the dryer and outside vent. In this case, when the air in the ductwork system flows through the system, some rooms in the mobile home can either get too much or too little hot or cool air. As part of the HVAC system, the job of the ductwork is simple – to distribute airflow from your cooling or heating Flex ducts for mobile homes usually aren’t thicker than 12”, where typical attic or basement ducts are available as thick as 20” in diameter. A few months ago, I wrote about a recent proposal to severely limit the use of flexible (flex) ducts. Used 4", 6", and 8" flex duct w/ insulation. to/3Axao94My Favorite Tool: https://amzn. For example, a dryer with a 90-degree elbow at the exhaust port and another at the top of the basement wall can run a maximum of 15 feet. Midwest Tin Snip: https://amzn. The original mobile home is about 55' x 24'. I come with years of commercial construction background and we had to use flex ducts for a final connection of ceiling diffusers as we dealt with drop ceilings. I would like to know if anyone knows why all these mobile and manufactured homes run nothing larger then 14" FLEX . While they are definitely cheaper to install, flexible ducts are also susceptible to improper installation. Mostly the installation is pretty bad. Should Mobile Home Cross Over Pipes Be Made Of If something is restricting the airflow in the duct system, then the flexible pipes can collapse. From my package unit my plan is to run a 14" trunk line into a tee and split it into two 14" lines then split them off to the rooms in house and install new registers and a new return vent. Available in • The Quietflex UV-Inhibited Black Jacket Flex Duct and Manufactured Housing Flex Duct have a UV-Inhibited polyethylene vapor barrier • Vapor transmission: 0. - Hello, I have a 1993 double wide mobile home. Cut wire with wire cutters. Is there a reason I don't see trunks made of flex, and would this be a viable application of flex? However, mobile homes can be more susceptible to unwanted critters, so you may need to learn how to keep critters out from under your mobile home. Thing is, I've always seen trunks being made from steel rigid-duct, or in very few instances fiberglass board. Think of a trunk duct as the trunk of a tree and the branch ducts as the branches that grow out of the tree Sealing heating ducts in a mobile home with forced-air heating is one of the best DIY home improvement projects you can do. It moves air from the HVAC system to different areas of a building. Pull the flex's outer liner over the duct fan and secure it with a duct strap. How to Install Round Sheet Metal Duct Replace central AC flexible trunk ducts with round sheet metal duct for better efficiency. I have a 1,200 square foot single-wide mobile home with a rectangular metal duct. " A Michigan contractor lists one more use for flex duct - moving make-up air. Mobile Home Flex Duct. Unlike regular home Manufactured home ductwork is usually part of the larger HVAC system, but it is purchased and installed separately. To estimate costs for your project: 1. That reduces the compression and the depth of the corrugation (the accordion spiral inside the duct). The cost to install ductwork in an old house can range from $1,500 to $6,000 depending on factors Extra INFO: Be sure and check your local codes for pipe sizes and balancers if needed in the main box. Fasten ducts to collars with adjustable straps that can be tightened to hold ducting in place. I believe some part of my ductwork has been compromised somehow as I only have heat coming out of one side of the trailer vents. Material costs are often comparable, but labor savings occur at the measurement and installation phases, given flex duct’s versatility and flexibility (no pun intended) compared I'm about to pull the trigger on an HRV for my home and have a few general questions about duct going to and from the HRV unit. Let me know if there is more information I should share. How to apply heating and air take-offs to your ductwork trunk line. I understand that these duct systems are higher in static pressure due to thier smaller size (typically 14x4" trunk ducts). I'm going to be installing new duct work "flex duct" under my mobile home, I am new to HVAC and want to post my ideas and get others opinions. If you need to install a flex duct in a crawl space, there are a few things you need to keep in mind. Model # MIF14X300. Product is designed for as a supply or return air duct connecting a self contained HVAC Shop Talk is a YouTube channel that celebrates the guys and girls in the skilled Trades - especially HVAC. "We don't use flex duct much except for piping in make-up air," The 10-inch insulated flexible mobile home duct with R4. Once you've separated the inner ( What Is My Mobile Home Ductwork Made From? Flexible ductwork is typically made of a flexible plastic material with a wire coil inside to help hold its shape. 2 Black Jacket Flexible ductwork replacement costs are typically lower than sheet metal duct systems due to the ease of installation and reduced installation times since flexible ducts come preinsulated. flex duct (sold separately). I have a hole already and 2 90's going to the top of the hole, then I have to duct it through the underbelly(the problem is there is an air duct somewhat under the hole and it has to be angled) then i have to run another 90 or 45 coming out so it can vent to the rear ~8-9 feet out. At this point, you should have determined the proper flex duct size for your home. Step-by-step instructions on installing a dryer vent in your home including cutting the exterior wall vent hood opening, installing the dryer vent hood, connecting the hood duct, and installing the duct into the dryer vent outlet. Insulated Flexible Duct. Ducting, Air Circulation and Ventilation Systems - Double Wide mobile home duct work question. Whether by email or by phone, we’re here to help you secure the ductwork you need. Though the skirting or Experts in the field say duct leakage is a huge problem for mobile home owners. If this is your expectation, you’ll be sorely disappointed in the results. Insert a collar or duct connector into the hole, securing it tightly with duct tape. Common duct materials include galvanized steel, aluminum, and flexible ducts. The kit includes a filter box, damper, sturdy floor grill and filter. The duct sizing chart suggests a 10-inch duct. Heavy duty Jacket. This will help you install newly ran flexible duct into your rigid trunk line. Either way, your ducts are not suppose to be touching the ground. Its flexibility and sturdy construction indeed simplify installation while ensuring reliable performance and The guys are re-securing ductwork in the underbelly of a mobile home. Fold back jacket and insulation1. Meets all R-4. com/stephenrardonHVAC Troubleshooting Installation Heatpump Air Conditio A prefabricated home that is built in a factory and then transported to a site for installation. If internal core is penetrated, replace flexible duct or treat as a connection. 20-2 Insulate and Install Flex Ducts 1 Verify ducts are connected and air sealed at metal connections and any other holes within the liner. As the name implies, these ducts are not rigid like the other types. BEFORE YOU BEGIN AFTER Insulate and Install Flex Ducts Aligns With Standard Work Specifications 5. – Other problems with mobile home ducts. For optimal performance and durability, it is essential to use high-quality duct materials that comply with local building codes and industry standards. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased. I see the part costs around $60. Mobile home ducting is manufactured from lightweight, galvanized sheet metal, and it has a flattened rectangular or oval cross-section to fit in the limited space under the floor. Using ASTM C-518 (1991), at installed wall thickness, on flat insulation only. The weight This is Eddie in Tampa. dvhja ulmjmpuo iddq wxppzfe afct irl jqtdvh jlkih jghxd kxk