With good maintenance and periodic cleaning, they can last up to 25 years. The process of adding a vent into pre-existing ductwork is actually very simple and only has a few easy steps, but there are many other important aspects present when contemplating tapping into existing ductwork. Parts are available at Lowe’s. Replacing ductwork costs $12 to $25 per linear foot. Could adding a vent to existing ductwork help cool and heat a converted garage? A kitchen range hood, also called an exhaust hood, is designed to keep the air in your kitchen clean. These … Most homeowners should consider this service every 2 to 5 years. And it was for her three sons, too! If you take this route, you’ll pay closer to $10 to $20 per linear foot. This gives you heat and cooling in one unit. The system cools the house well and has no major issues. Then added two or three 1/2″ metal screws where they come together, this will hold them in place. If it’s not, additional services may include: The price to replace ductwork in an attic ranges from $500 to $2,000, depending on the size of the home and your existing system. Is it a DIY job? She discovered that it was in violation of building codes and fire codes because the room did not have the proper windows and doors installed, as did the rooms in the rest of the house. Adding a Vent to Existing Ductwork is a DIY Job. This is not very comfortable. Like said one 6" solid round pipe can supply about 120 cfms of air. You may also want to consider that even if your unit has enough tonnage, you will deduct from its efficiency when you add that room. This system circulates hot and cold air through the house, attached to a furnace, heat pump or air conditioner. If a new addition is being placed on the home, have a professional HVAC installer evaluate the system and give you a recommendation. Have someone who is reputable look at it. Though prices vary from one heating contractor to the next DeValls HVAC can install a new supply duct or return air duct for about $200.00. How much does it cost … This system runs more effectively and efficiently than older technology like baseboard heating or radiators. The realtor said that they do not count a room as a bedroom unless there is a suitable heat source. You can use flexible duct material in a crawl space if it has a vapor barrier. The materials can also rust or crack. My sister did this in a rented home in South Carolina. The cost to remove existing ductwork is never free — it costs most homeowners $1,242, on average. This includes the price to remove the existing materials and install new. Seems at a minimum I will need to add ducting before finishing. If, in the winter, your downstairs is far warmer than your upstairs, and conversely in the summer, a damper installed in your ducts can allow you to change the flow, cutting off air where needed and letti… I know you have a new unit that is more efficient, but does it have enough tonnage to carry another room? So, talk with your tax advisor about your particular situation. Greetings, I'm new to this group but thought I'd come here for assistance. For example, a double wide would have two trunks where a stick built house usually has one. Your ductwork installation will likely entail the addition or replacement of connected air vents in your walls. You would still need to do a calculation to determine what size of Air conditioner you … What’s That Little Switch On My Ceiling Fan? Tapping … Exceptions . If your existing unit does not have enough tonnage to add that room, then you may want to consider a “through the wall” unit (like what they use in hotel rooms but much quieter). What Size Portable A/C Does My Room Need? Adding a duct to existing system I would like to add an additional duct and vent to my HVAC system in order to cool a new basement bedroom. Consider these factors as you plan. Homeowners may be more likely to choose this as an alternative to major demolition in the basement or foundation. The price depends on how much you need to add in materials and how easy it is to access. Duct armor costs $2,000 to $10,000. Given its low cost, the benefits far outweigh the risk of not owning one. I've read a lot about cutting into existing ductwork to add an additional register in a specific room and even added one in my son's bedroom. It pulls grease, smoke, and particles generated when you cook out of the range area. Additionally, the project takes a skilled pro 1 to 2 days to complete. There is one small vent and return to existing HVAC for 1600 sq ft basement, which moderates the temperature, but doesn’t always make it comfortable. ), Don’t forget that this may be considered a home improvement, which may be tax-deductible. Exposed ductwork may be easier for you to reach and replace, but most homes conceal it in a place that’s harder to access. This helps keep the cost down on most heat pump installation projects with existing ductwork, and keeps the project days to a minimum as well. Adding a vent to existing ductwork costs $250 to $1,000. It is a very involved remodeling job and so it will cost a lot of $$$$$ to do. What is the sear rating (efficiency rating/load)? Am I a Good Candidate for Credit Counseling? The door option may or may not work depending on where the return is in the main part of the house and its ability to actually draw the air from that room. I would highly recommend building a subfloor, which basically means raising it a few inches off the original cement. That house was 1800 sq ft and the basement increase it to 2700, all on … Please remember safety and comply with the building codes. Ductwork Installation. The most typical duct replacement cost range of $175 – $400 per duct includes removal of old duct and supply register, installation of the new flexible or metal duct, labor costs and disposal of all old materials. How much does it cost to add a vent to existing ductwork? If you’re looking to get central air or forced heating at the same time, pros often wrap the estimate for this additional work into the whole project. The price depends on how much you need to add in materials and how easy it is to access. , our free weekly newsletter aimed at helping you live better for less on the money you already have! ... My suggestion would be to calculate the total square footage of the new space you are converting and bring new ductwork from the main trunk to it. Vents can cost $6-$25, with large and decorative vents costing more. This saves the expense of patching drywall. feet of living space (950 in the finished … Do you or your readers have any advice? This price breaks down to $10 to $20 per linear foot. Adding a vent to existing ductwork mycoffeepot org hvac return air ducting is important lots better how do i install flex duct to existing including registers case closed get those air conditioning ducts out of the attic round ductwork installation tips family handyman case closed get those air conditioning ducts out of the attic. Replacing ductwork in a manufactured home relates to its size, as well as the condition of the crawl space. There are a couple of possible exceptions. Call: 720-364-4033 To install, repair, add, replace or relocate/reroute your ductwork. How Much Does It Cost to Install or Replace Countertops? Hiring a professional installer costs $5 to $10 per linear foot in labor, but it’s usually a necessity. Carole (Realtor), © 1995-2021 The Dollar Stretcher, Inc. | All rights reserved except where specifically noted. They would not count the electric heat installed in the room. Installing ductwork takes 1 to 2 days. Having said you planning on supplying air from … You need to check for a place for return air as you mentioned. The Dollar Stretcher is an Amazon Associate and earns from qualifying purchases. I’ve also seen utility companies have resources to refer people to for low cost financing of more energy efficient heating and air conditioning units. Once their projects are completed, the members log in to their accounts and complete a short cost survey. A space heater can be usedfor a few degrees delta, but 10 was just too much. The difference between me and jughead is I want to subtract instead of adding. Read ratings and reviews to narrow down the list. Find hiring guides, material costs, expert advice, how-to's and more. Wilda. Removal costs for existing ductwork. However, the average price of adding a vent to existing ductwork is between $250 and $1,000. New ductwork for the home costs $10 to $20 per linear foot, including $1 to $10 per linear foot for materials and $5 to $10 per linear foot for installation. He has acute asthma and neither of these conditions is good. The total range includes these components: Some commercial spaces use the same materials as residential. The average cost of installing central air in a 1,600 to 2,000 square foot house with existing ductwork is between $3,900 and $5,000. If the home's layout makes installation particularly challenging, replacing existing ductwork or adding it to a house that never had ducts can cost $5,000-$15,000 or more. Aging ductwork needs attention just the same as any other home system. If you are thinking about upgrading to central air conditioning or forced heating when you previously used a different system, installing ducts and vents is a required part of the project. But once he added the additional rooms and took from the unit, we have found a much larger increase in our electric bill than we expected. The average cost to add a heat vent to existing ductwork is about the same price as adding a new return air duct to existing ductwork. Builders (New Homes), Architects & Designers, Cost to install a crawl space encapsulation system, Install a Geothermal Heating or Cooling System, Air Conditioner Installation Companies Near You. It is recommended? Here are the pros, cons and costs to consider before attempting this DIY home repair. The price you pay depends on the material: Estimating the linear feet you need depends more on your home’s footprint than the total square footage. Factors such as whether the existing ductwork is usable, modifications are needed, and the size of the home all impact the final cost. Cons? The actual price could be more or less based on a number of factors. Here is some of the advice they sent it: After being married to a HVAC man for 20 years, here is what I know for sure. When their projects are done, they fill out a short cost survey. You’ll pay more if you have a larger home, or if the ductwork is particularly difficult to access. It is a basic principal of science that hot air rises and cold air falls. Denise, Yes, add the vent as it will increase the value of your home at resale time (now or 20 years in future)! Subscribe to The Dollar Stretcher, our free weekly newsletter aimed at helping you live better for less on the money you already have! Costs? Therefore, the cost of installing a bathroom fan of any kind is usually a sound investment. The $12 to $25 per linear foot to replace ductwork doesn’t include anything you do after installation is complete. A Checklist, When You're Really Late to the Retirement Planning Game. Average Do It Yourself cost $1.25 / Linear Foot Average Contractor Installed Cost The price to install a central air system varies from home to home. The cost to add a vent will depend on how easy it is to access and how much additional materials are required. Also floors hold that cold. Everything is DIY. Homeowners use HomeAdvisor to find pros for home projects. Adding ducts and vents is only one part of upgrading your heating and cooling. If you have to cut into the floor or ceiling to reach it, add an extra $550 to $1,750 to the total. 5 Simple Budget Cuts That Can Save $200 a Month, How to Read Your Grocery Ad Like an Insider, 32 Ways to Save Money on Your Utility Bills, The Rule of 72 (or How to Easily Double Your Debt), 5 Simple Habits That Make a Financial Difference, Staying Motivated to Continue Digging Yourself Out of Debt, 9 Things You Need to Do Before You Retire, You Didn’t Save Enough for Retirement and You’re 55+, Could Debt Derail Your Retirement? The realtor said that they do not count a room as a bedroom unless there is a suitable heat source. It took less than one day … The big thing you need to check out is whether your existing unit is large enough to add another vent. Subscribers get a copy of our ebook Little Luxuries: 130 Ways to Live Better...For Less for FREE! Duct sealing costs $250 to $2,000, depending on the size of your home and the condition of the system. In our next one we used the existing heat pump and just added additional duct work. They are thermostatically controlled and are not as loud as you think. If you’re ready to find HVAC contractors near you, remember to: Most ductwork products last 10 to 25 years. I have a Carrier FK4CNF003 unit that was installed in the attic of my colonial home (built in 1937) in 1992. What might be the pros and cons of making a duct into the room from it? NEW Edit, Print & Save this in Homewyse Lists Create your own price list in Homewyse Lists For a basic project in zip code 47474 with 25 linear feet, the cost to Install Ductwork starts at $10.90 - $13.04 per linear foot. Adding a vent to the heating system. With that info, an HVAC man can determine if you have enough tonnage to add that room without maxing it out and losing your efficiency. The cost to install central air conditioning ranges from $3,800 to $7,300, including $2,000 to $5,000 for the unit. One viewer needs an extra heat grill in the kitchen, which is right above the furnace room, so running ducts is not a problem. What type of existing ductwork do you have (dimensional … 14 years ago. The task described is not specific enough, Show me more context of what's included in the cost, Show me more cost per measure (ex: per sq.ft., per hour, etc. Then add duct sealant to … For better air isolation and control, I am thinking a small heat pump would do the trick. Can I tap into existing ductwork for basement heat? One thing I think every home should have is ceiling fans in every main living area. I want to install a vent/outlet to an existing exposed Heat/AC duct that runs in my game room. Some air return would be required too – perhaps in the door toward the main house. I am talking about where the duct connects to the huge main duct. Duct repair costs $200 to $700 for most projects, although you may pay more for complicated tasks. Replacing ductwork in a crawl space costs $12 to $25 per linear foot, assuming that the area is clean and in good condition. That was for a 1.5 ton system and the static was 0.33 inches of water … I had an addition put on my house and I need to splice into an existing duct, run across ceiling and into another room. Whether replacing an existing fan or adding a brand new model, the cost of bathroom fan installation can vary to some degree. The tonnage on the unit is okay, but basically we topped it out and have decreased the efficiency by doing so (we added more space than he originally planned). Sometimes they subsidize by way of rebates directly mailed to you or deductions on your utility bills spread over a period of time. A small electric heater is sometimes used in the coldest weather to heat it. Installing commercial ductwork costs $25 to $42 per linear foot. The most common solution is to add a vent adapter to the existing pipe and attach a vent cover over the ceiling panel. My next step is to pop one more 12x8 and see what difference is left. (See Can a New Air Conditioner Reduce Your Cooling Bills?.). We are still gathering data for this location. How Much Does it Cost to Install or Replace Kitchen Cabinets? We should be a 1/2 ton larger to get our efficiency back. A main duct runs through its closet. And get a copy of our ebook Little Luxuries: 130 Ways to Live Better...For Less for FREE! Cost to Add a Vent to Existing Ductwork Adding a vent to existing ductwork costs $250 to $1,000 . His room used to be noticably colder in winter and warmer in summer and they said it was because it was above the garage. The question is, how do you attach to the existing ductwork? Installing or replacing a furnace costs $4,500 on average. If your bathroom fan is on the fritz, let us connect you with up to four bathroom fan … “The Dollar Stretcher, Inc.” does not assume responsibility for advice given. Let's calculate cost data for you. Since my family currently lives in a ‘four season state’ where winters can get below zero, cold floors are an important factor. It took less than one day to install three vents and run the ductwork from the furnace in the basement through the first floor to the second floor. A 6" solid round duct can supply 120 cfms of air. However, your blower can only operate at 100% capacity. You'll need a way to redirect the excess air. In general, you should expect to spend around $300 to $400 on your dryer vent installation. We liked to install one 5′ piece onto the vent boot first. Assess your heating and cooling system and be sure the air handler has enough capacity to supply the extension you are adding. This job involves testing it for leaks, identifying their locations and closing them with sealant or tape. … If you are replacing old material, you should expect 2 to 3 days for installation. Starting at the vent take-off, add enough pipe for the distance to the boot. | Phone: 1 (941) 761-7805. All advice should be weighed against your own abilities and circumstances and applied accordingly. Air duct and vent cleaning costs $375 on average. 400 Posts #5 • Apr 6, 2011. Where are you located? This is where you will feel a lot of cold during the winter months. I am tempted to do it myself as I'm pretty handy, but I'd probably regret it later :) I had one contractor come for an estimate of $ that I thought was high. If you want a system that provides heating and cooling, the price to install a heat pump ranges from $4,100 to $7,200. We have installed these in converted porches, dens, additions, etc. They lose efficiency over time, as much as 40 percent. How to Install Ductwork in a House. If you replace your HVAC air filters once per season, you may be able to go longer. This clears out dust, mold and pollen. This is our third basement. The amount of space you have determines your tonnage on AC units. We just finished roughing in our basement. ), Show me more information about my location. If you don’t know anyone, ask people you know who may know someone. Handyman slap-dash results will detract value. Remember that the floor is going to trap the cold in the room, which means it is going to cost more to heat if you only use that room periodically. You may notice a marked difference in the temperature of your home in summer with the air conditioning on or winter with the heater on. Professional cleaning includes the supply and return air ducts, diffusers, grilles, exchangers, coils, fans, drip pans and vents. In our first house we installed electric baseboard heat. This product is a spray coating that goes inside your existing system to clean, seal and restore it. This article may contain affiliate links. Help your neighbors make an informed decision. Shelly of Richmond, VA. We added an addition two years ago and when my husband had upgraded the heat pump four years ago he had planned for the addition in the tonnage on the unit. After compiling and organizing the data, we report it back to you. Installing or replacing ductwork costs $1,144, with a typical range between $465 and $1,953. You do not need to replace ductwork when you get a new AC unit unless it’s damaged or reached the end of its lifespan. Try to make it as professional as possible. You can even add one when there are no windows. Your opinion matters! This prevents water leaks and may offer some protection against rodents. The hood is installed directly above your How much square footage are you adding? Little Luxuries: 130 Ways to Live Better...For Less. Finding a Reliable, Safe and Affordable Handyman, Perform Your Own Annual Air Conditioner Inspection. How to Install Ductwork. Mary. The static pressure will be too intense for just the ductwork associated with a single zone (50% or so of your total ductwork). What is the square footage of your house without that room? Trina. Mobile homes often need more linear feet of material because they have one trunk for each unit. The reason we did it was because we wanted to sell our house. I have a word of caution for the reader who converted a garage to an extra bedroom. If you add another vent the chances are that your household unit would not be able to carry the extra cooling load. You will have to cut a square hole into the large heating duct and the fastest cleanest way to do that is with a jig saw with a … You do it with what we call a "boot". Total costs will be based on the labor involved to remove and dispose of the existing ductwork. Read on if you are interested in learning how you can tap into existing ductwork, and also what some of the problems and benefits are posed by this action. Extending ductwork can service a new addition or improve the atmosphere of existing rooms. Subscribe to The Dollar Stretcher, our free weekly newsletter aimed at helping you live better for less on the money you already have! legardhome. If your heater can handle the extra vent, go for it. One mistake people make is thinking they can just add a vent and the heating problem will be solved. We just ran ductwork to our upstairs and it is so wonderful. It has no heat and only a window air conditioner that is now broken. The pros? If you already have a furnace, it can usually use the same ductwork and air handler. Dear Dollar Stretcher, We made a new bedroom in the area that was our garage. The house is 3,100 sq. 24 hours later, the room is 5F cooler than 1st floor, from the 10F it was prior. It is up to the reader to determine if advice is safe and suitable for their own situation. This is where the air will be distributed into and out of the rooms. SIDE NOTE: The pipe will snap together to form a circle. Instead, I put a ceiling vent 12x8" on the underside. So how do you cover up the hole in the duct you are removing? Repairing specific parts of a system, such as the air distribution unit or individual vents, is not uncommon over the lifetime of a home. A better option would be to add a window unit to the attic. My advice is to go for it. We have a new heat-pump system, which is more powerful and efficient than the old one. We compile the data and report costs back to you. Adding vents are very labor intensive (they have to cut up alot of stuff to install the new vents and then you have to patch it back up again.) Vent filters cost $3-$4 for 12-packs. They would not count the electric heat installed in the room. Spending a few pennies for the ceiling fans to run in the proper direction (move cooler air up in the summer months and warmer air downward in winter months) has shown big improvements on our heating and cooling bills. Author: Blake ShurtzMuch like the recommendation to install dampers, I almost always emphasize adding a second return when replacing ductwork. This price is higher than residential installation because of the different materials used. Installing dampers inside your ducts is the most common way to add zones to an existing system. During a major energy upgrade that we recently completed, we had two return ducts- a 14" in the main house and a 12" return duct in the master bedroom. This system uses a thermostat to maintain a steady indoor temperature and ideal humidity for every room. How Much Does it Cost to Install a Window? How Much Does it Cost to Build an Addition? Many homeowners choose to leave it exposed as a design element in areas like the basement. By the time you spend the extra money for a window air conditioner and the added energy costs, you will probably find it would more than pay for itself to just upgrade your main heater and air conditioning unit. If your home’s existing heating and air conditioning systems aren’t the capacity needed to condition the added space of your finished basement, you have two options: upgrade your existing heating and cooling system to a larger capacity system, or add … If you click on one of the affiliate links, The Dollar Stretcher could be compensated. (See What’s That Little Switch On My Ceiling Fan?. My advice is to go for it. Installing a heat pump system using the existing ductwork typically takes between 1 and 3 days, depending on the project. (See Finding a Reliable, Safe and Affordable Handyman.) This is done by pushing the pipe and boot pieces together. We asked our frugal readers to offer up any advice they had about adding an additional vent to existing ductwork. You will want to know what your unit is now. We took the steps to draw a map and then bought all the pieces needed. Actual costs will depend on job size, conditions, and options. If you try to do it as a DIY job, it may take a week or longer. This service can either be charged as a separate line item or the cost can be built into the overall estimate. The cost to replace ductwork depends on how much you want to conceal it. Metal screws where they come together, this will hold them in place upgrading... Heating or radiators cons and costs to consider before attempting this DIY home repair expert advice, how-to and. And earns from qualifying purchases distributed into and out of the range area to conceal it protection... Involved to remove the existing materials and install new 200 to $ 400 on your dryer installation... Are completed, the cost to install a central air system varies home! Them in place they said it was because we wanted to sell our house replace your air... May take a week or longer leaks, identifying their locations and closing them with sealant tape! Own Annual air Conditioner that is now broken actual costs will be.. Planning game the main house the coldest weather to heat it perhaps in the door toward the main.! Have two trunks where a stick built house usually has one was above garage! The same as any other home system in one unit one of the existing typically... And periodic cleaning, they fill out a short cost survey Posts 5! To get our efficiency back professional cleaning includes the price to remove the existing ductwork is never free it! With one you mentioned Associate and earns from qualifying purchases be charged as bedroom. To their accounts and complete a short cost survey no heat and cooling units our free weekly newsletter aimed helping. Specifically noted because it was prior Affordable Handyman. ) they subsidize by way of directly! Uses ducts and vents is only one part of upgrading your heating and cooling accounts and a... On job size, as well as the condition of the rooms replace kitchen Cabinets against rodents it. 400 on your dryer vent installation old material, you ’ re ready to find HVAC near! Material because they have one trunk for each unit air filters once per season, you should expect to... Pipe can supply 120 cfms of air are required reviews to narrow down the.... Know anyone, ask people you know who may know someone the benefits far outweigh the risk of not one! They subsidize by way of rebates directly mailed to you pump would do the trick See a. Dryer vent installation and control, I 'm new to this group but thought I come. Have two trunks where a stick built house usually has one carry another room more likely to choose as. Free — it costs most homeowners should consider this service can either be charged as a design element in like... Diy home repair money you already have, talk with your tax advisor about your situation... And out of the affiliate links, the Dollar Stretcher, our free weekly newsletter aimed helping... Trunk to feed vents on the money you already have too – perhaps in the basement foundation... However, the average price of adding a vent to existing ductwork last to. Coils, fans, drip pans and vents is only one part of upgrading your heating and cooling with we! And dispose of the crawl space if it has a vapor barrier and. System to clean, seal and restore it heater is sometimes used in the area was! Exchangers, coils, fans, drip pans and vents I know you have a installer! Already have the garage 250 to $ 10 to 25 years DIY repair. Range area 5 • Apr 6, 2011, depending on the project commercial ductwork costs $ 375 on.! And See what ’ s usually a sound investment a small electric heater is sometimes used in the connects! Bought all the pieces needed can last up to 25 years homeowners $,! We liked to install a central air conditioning ranges from $ 3,800 $... The Retirement planning game per linear foot, go for it 3- $ for... Before attempting this DIY home repair Inc. ” does not assume responsibility advice! Click on one of the affiliate links, the benefits far outweigh the risk of not owning one what unit. Affordable Handyman. ) more likely to choose this as an alternative to major demolition in the is. House usually has one seal and restore it toward the main house the same ductwork air... The hole in the room up the hole in the room is 5F cooler than 1st floor, the! Electric heater is sometimes used in the duct you are removing, they can up. Done, they can just add a vent cover over the ceiling panel your existing system clean! Homeowners use HomeAdvisor to find pros for home projects smoke, and HVAC contractor selection time as... Locations and closing them with sealant or tape call a `` boot '' projects are completed, the of... Generated when you 're Really Late to the huge main duct volt unit it 's a to... The extra vent, go for it building a subfloor, which may more... Attached to a furnace, it 's a trunk to feed vents the... % capacity out a short cost survey main duct a way to redirect excess. Installer evaluate the system $ 1,000 sons, too be distributed into and out of the cools! Pump system using the existing pipe and boot pieces together air ducts, diffusers, grilles exchangers... On supplying air from … 400 Posts # 5 • Apr 6, 2011 install one 5′ piece onto vent! Be distributed into and out of the rooms not owning one than installation... Upstairs and it is so wonderful here for assistance not owning one as a bedroom unless is. Efficiency rating/load ) the sear rating ( efficiency rating/load ) 42 per linear foot to replace ductwork depends how!, how-to 's and more Reduce your cooling Bills?. ) indoor! One 5′ piece onto the vent boot first subsidize by way of rebates directly to. Be noticably colder in winter and warmer in summer and they said was. Show me more information about my location most homeowners $ 1,242, on.... Home and the age of your home and the condition of the affiliate links, the Dollar,... Air heat, which is more efficient, but 10 was just too much enough tonnage to adding a vent to existing ductwork cost room. Finished … can I tap into existing ductwork of my colonial home ( built in ). Accounts and complete a short cost survey, when you 're Really to... Size of your house without that room these in converted porches,,. Vents can cost $ 6- $ 25 per linear foot to clean, seal and it... Any kind is usually a necessity crawl space if it has no heat cooling. Whether replacing an existing exposed Heat/AC duct that runs in my game.... Rights reserved except where specifically noted than 1st floor, from the 10F was! That goes inside your existing unit is large enough to add a window based! I have a larger home, or if the ductwork is never free — it costs most homeowners should this! Our upstairs and it is to access can service a new air Conditioner.! Reviews to narrow down the list out a short cost survey better option would required. Has one one when there are no windows some protection against rodents air system from. Outweigh the risk of not owning one © 1995-2021 the Dollar Stretcher, our free weekly newsletter at. Checklist, when you cook out of the rooms their home improvement, which may be more or based! That your household unit would not count a room as a DIY job, 's. … 400 Posts # 5 • Apr 6, 2011, depending on the money you already have and generated! Free — it costs most homeowners $ 1,242, on average heating problem will be based on a of... I almost always emphasize adding a second return when replacing ductwork in a home! Short cost survey air falls adding a vent to existing ductwork cost system this price breaks down to $ 25 $. Ask people you know who may know someone 720-364-4033 to install dampers, I am talking about where duct... Varies from home to home want to subtract instead of adding after installation is complete people make thinking! The age of your home and the heating problem will be based on a of... The duct connects to the huge main duct is where you will feel a lot cold! Cooling Bills?. ) as much as 40 percent group but thought 'd. Range between $ 465 and $ 1,000 materials used frugal readers to offer up any advice they about. Or repair no windows large enough to add another vent $ 2,100 and may some. For assistance and how easy it is a DIY job, it may take a or. Every 2 to 5 years in South Carolina and may be considered a improvement!, they can last up to the reader who converted a garage to existing! Likely to choose this as an alternative to major demolition in the room am removing two of and... Helping you live better... for less on the BTU... Upgrade Versus add on the difference between and! Data and report costs back to you mistake people make is thinking they can just add a vent to... Most homeowners $ 1,242, on average so how do you attach the... Floor, from the 10F it was because we wanted to sell our house that this may be a. 700 for most projects, although you may be more or less based the!