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Solving Air Flow Problems in Your Home
Basic things homeowners can check to help with airflow:
First, check to see if your furnace filter is dirty and if so, remove the dirty filter and install a new furnace filter. Plugged furnace filters restrict airflow by creating a pressure drop. Next, look around your home to see if there are anything blocking the vents, such as couches, rugs, or cabinets, in any cold air returns. If something is blocking the vent, remove the obstruction so that the cool air return, which is the air intake, can get enough air. Last, but not least, walk around your house to check that all supply registers (heat vents that exhaust air) are open. All supply records should be open.
A popular homeowner misconception is that closing some vents throughout the house can cause other vents to blow louder. This is not true, because CFM (measurement of air flow, cubic feet per minute) is determined by the diameter of the pipes, and even if the other registers are closed, only so much CFM can come out at any time due to the size of the sphere. or not. Closing the supply register too high usually does more harm than good by creating pressure build-up problems in the overall duct system, which in extreme cases can short-cycle your furnace at high limits and thus increase the cost of your utility bill. Major HVAC components and parts are working to shorten their lifespan. Never buy and install heat vent filters, as these filters actually cause pressurization problems. If there is a lot of dust blowing out of the vents, you may think the best thing to do is have the HVAC system thoroughly cleaned with a power vacuum/air sweep method in air duct cleaning by ACCA (Air Conditioning Contractors of America). ) member company. The average cost for a 1 furnace home will be between $400.00-$700.00 depending on the cost of getting the job done right, where you live in the country, and operating costs from service providers. Dirt causes 1/3 of our repair calls to shorten the life of parts and the HVAC system is a circulatory system. So keeping the HVAC system clean will extend the life of the parts, remove all the beer cans and construction debris that clogs the enclosures, improve airflow, reduce unpleasant odors in the ducts, and improve energy efficiency. Complete HVAC system.
Some solutions that an HVAC company or contractor may suggest:
Often in older homes, air ducts are sized incorrectly because earlier building departments did not emphasize the importance of properly sized air duct construction, and some builders wanted to save money by building their own ductwork instead of paying for it. Heating and cooling professionals to properly install ductwork. In recent years, many building departments across the United States have zeroed in on implementing proper duct design, greatly improving indoor thermal comfort in most new homes. Your licensed HVAC company or contractor may suggest things you can do to help improve airflow in your home if you live in an older home with airflow problems:
– Let me rip out all your tubes and start over! (That would be sweet, but it’s just not practical because of the cost, time, and huge mess!)
– I can help your homes HVAC system by replacing your old inefficient furnace with an 80% AFUE 2 stage variable speed furnace equipped with a GE ECM motor. The GE ECM motor runs 30-40% more efficiently than a standard conventional multi-speed motor and maintains constant CFM even when your ductwork is undersized and restrictive. This means that after installing a new Ream furnace equipped with a GE ECM motor, the vents that your inefficient old furnace never seemed to blow air will suddenly blow air. ECM also allows motor home owners to qualify for a $50.00 EPACT tax credit that you can get when you file your taxes, so the federal government wants you to go for it too!
– For some reason your home doesn’t have enough return air openings to get enough air into the duct system! We need to create additional return air openings in your ductwork so we can get additional CFM into the HVAC system to stop your AC indoor evaporator coil from freezing. Good golly, you’re paying more on cooling not to mention that your AC isn’t keeping your home cool enough! Let’s fix that and add some new return air openings so you can save some money on your utility bill and actually stay cool this summer!
– Let’s go ahead and rip out the 4″ diameter supply runs and install 6″ diameter runs so we can circulate more air into that sun room!
– You know, your ducts are perfectly sized, but all the air is escaping into the unfinished parts of the house, because the ductwork is so loosely constructed. Let’s go ahead and seal every trunk line connection, brace, seam, and end cap with mastic duct sealant. Let’s see if we can blow those screens aside by sealing every duct connection on the entire system! No, just kidding, but the air will come out with a touch, even though the ductwork will be better sealed, and you’ll see a significant reduction in your utility bill because the system will now only run half the cycle.
– You know, for some reason all your ductwork is sized correctly, but the return leg attached to your furnace is seriously undersized and acting like a choke point. Let’s tear this leg off and install a bigger one with a bigger volume to let air in!
– You know, your home builder got really cheap and considering your house is 3600 sq/ft they should install 2 separate systems. Operating two smaller systems will cost you less on the utility bill and provide more comfort. Save some money and let that second system be built in the attic!
– You know, the most cost effective thing that will drastically improve your home comfort is simply zoning your existing system so that 3 different thermostats will control 3 different temperatures in your home. We can install this system from $3800.00-$6,000.00 depending on the brand you choose. Depending on how fancy the system you want to install is!
– You know the evaporator coil is completely plugged and effectively restricts air distribution. Dirt accumulates on the inside of the coil where you can’t see it very well. Let’s go ahead and do a power vacuum/air washing on this coil to really and effectively clean it. Stay away from those $99.00 air duct cleaners that you want to try and buy by vacuuming the coils, because they are not effective at all in cleaning the coils properly. To effectively restore and properly clean the coil we need to air wash the coil as a whole, not just the surface. A power vacuum air duct cleaner will be needed to do the job right!
You’ll find that some of these band aid jobs will only cost a few hundred dollars, while other solutions will cost thousands of dollars, but in the end, after making the improvements, your utility bill will probably go down and you’ll finally have the true indoor comfort you didn’t have before. Most HVAC companies and or contractors will also give you more than one option to consider, so that no matter what you decide to do, you can at least find some type of indoor air comfort solution to improve your comfort situation. The best thing you can do as a homeowner is to choose an ACCA member heating and air conditioning company or contractor to ensure your comfort expert has all the latest and greatest training, tools and professional support to best serve you as a customer. You won’t regret it in the long run, as you’ll save some money on the utility bill and be more comfortable in your home as a result.
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