Do You Have To Have Air Filters In Your Ceiling Air Registers
Some people wish to filter out more dust and they are thinking of putting filters on their AC return vents. However, adding more filters may harm your AC. And then, exercise you lot really demand to put filters on the return vents?
Air-conditioning return vents do non need filters. Putting extra filters on air conditioning return vents will reduce the performance and lifespan of the air conditioner. The filters volition reduce the airflow and put stress on the Air conditioning fan motor. The air conditioner already has a filter correct before its cooling coil and thus, additional return vent filters are unnecessary.
Adding filters on the render vent do more harm than good. However, in that location are times where doing so makes total sense.
Why You Don't Need Return Vent Filters?
Every air conditioner has a congenital-in filter to prevent grit from inbound into its cooling curl. The Air-conditioning filter is not meant to provide clean air for your business firm but protect the AC itself.
Air conditioners are designed to operate within a range of airflow. At the same time, filters are meant to block dust just they also reduce airflow. So, when you put filters on the return vents, you'll beginning to stress and suffocate your AC.
When an air conditioner does not have sufficient airflow, the following problems may occur:
- High fan motor running current and somewhen burn.
- Bereft cooling and thus, constantly running at full capacity and consume more power.
- Coil freezing and the AC stops functioning.
- Water dripping due to condensation happens at the supply air outlet.
Therefore, unless it is really necessary, it is not a good idea to put filters on render vents. So, what practice I mean by "really necessary"?
When Yous Should Put Filters on Return Vents?
You should put filters on render vents when you are unable to wash/install the filter in the Air conditioning itself due to space limitation or accessibility problems.
Bad Ac installation does not give enough infinite for people to remove and make clean the filter. When we meet such a trouble, we'll advise the customer to forget about the original AC filter and put new filters on every return vents.
If you have the same trouble, remember that you lot should put filters on EVERY return vent to forbid dust from inbound into the AC coil. However, it'south non the end of the world if you can't achieve a vent or two. Your Air-conditioning is withal fine to operate. It's merely that your AC whorl will go dirty sooner and a coil cleaning service is quite expensive.
Alternative to Render Vent Filters
If your air conditioner was done badly and you don't have space to install back its filter. I have some suggestions for y'all.
Normally, an Air-conditioning filter is one large rectangular piece. However, y'all can buy a foldable filter where the one big slice filter is split into three-four pieces and linked with hinges. With that, the filter of a sudden doesn't crave that much space to put dorsum into the AC.
If y'all can't observe the hinged foldable filter, you tin can utilize smaller pieces of filter. Then, you tin can put a string or something on them then that you can pull them out when it's fourth dimension to service.
By the way, while I was doing my research, I found some great air filters on Amazon:
- Amazon's Best Seller: Filtrete 14x20x1, Air conditioning Furnace Air Filter, MPR yard, Micro Allergen Defense, ii-Pack (exact dimensions 13.781 x 19.781 x 0.84).
- Best for Allergy: Filtrete 16x20x1, Air-conditioning Furnace Air Filter, MPR 1900, Salubrious Living Ultimate Allergen, 4-Pack (exact dimensions 15.69 x xix.69 x 0.78).
Another way to avoid using return vent filters is to put a filter in the return air duct right before it enters the air conditioner. The principle is the same every bit the original AC filter but, you forget about the original filter location and put it in the return duct instead.
Putting a filter in the return duct requires you to cut an opening, put 2 rails (top and bottom) to slot in and hold the filter. Ensure the filter stays firmly because the return air has a great amount of suction.
Issues with Return Vent Filters
If you have to put filters on return vents, here are a few bug that you can expect:
ane. You lot May Need to Buy New Return Vents
Most return vents don't have a swivel for people to open because you don't need to. As well, they don't have a slot to concur the filter. So, if your return vents are high up the ceiling, you'll need to get some new vents.
If your return vents are on the flooring, you may not demand new vents. Yous can put the filter on the vents but it'll not be good-looking and it may move around when the Ac is not operating (filters are very low-cal). Besides, some people also said that their return vent filters bend into the vent due to potent suction.
So, I went on to search for a expert return vent that have a defended filter slot on Amazon, here is my top pick:
- Best Client'south Ratings: xiv″ X 24″ Steel Return Air Filter Grille for ane″ Filter – Easy Plastic Tabs for Removable Confront/Door – HVAC Duct Cover – Flat Stamped Face -White [Outer Dimensions: 15.75w X 25.75h] (various size bachelor).
two. You'll Need to Spend More on Filters
A good key air conditioning system has a return vent in every room to accurately control the temperature of each room as well as maintaining equal air pressure level in every room. Thus, a fundamental air conditioner can take four-5 return vents in a house. And then, you'll need to clean all of them.
In addition, in that location is a limit on how many times a filter can be washed. Many manufacturers recommend changing a new filter after iii-4 times of washing. Then, you'll need to replace all of them after a while.
iii. Yous'll Need to Seal the Original Filter Opening
Subsequently you removed the AC filter, in that location is a hole in the air conditioner and you lot'll need to seal information technology. Otherwise, air will become in from the opening together with all the dust.
Furthermore, your Air-conditioning will be getting the return air from the opening but non from the return vent. Hence, temperature control can go haywire.
iv. If Yous Have a Fresh Air Intake, You'll Need a Filter for That Besides
Some fundamental air conditioners have ducted in fresh air from exterior into its return air plenum. And so, the Air-conditioning filter will block dust from both the fresh air and return air.
If your Air-conditioning has a fresh air intake, you'll need to put a filter either in the duct or the external vent just like the return vents. At that place you get, i more than filter to wash/replace, and one more than vent to change.
Worry If the Return Air Duct is Dusty?
Some people want to put filters on return vents to forbid grit from building up inside their return air duct. If you likewise want to do then, be sure to remove the original AC filter and seal the opening so that your AC won't suffer from low airflow.
However, I don't retrieve it is necessary. Every bit long every bit you regularly make clean the original AC filter and thus, maintaining a good airflow rate, dust built-up is inevitable but very slowly. Some buildings but need to practise duct cleaning subsequently more than than ten-15 years of 24/7 usage.
I also heard some people said that they accept pets and they saw many hairs go inside the render vents. Notwithstanding, don't worry well-nigh it, the pilus will exist captured by the original AC filter. It's just that you lot have to clean the filter more than oftentimes.
How About Filters on Supply Vents?
Y'all should non put filters on supply vents considering it does non help anything but reducing the airflow of your air conditioner and thus, causing problems such as insufficient cooling and condensation.
Ac filters are meant to protect grit from entering into the cooling roll and clog it up. Putting filters after the cooling coil does nix to protect the coil. It merely blocks the airflow which is bad for the performance of the air conditioner.
Decision
If I were yous, I'll crank my head to solve the accessibility upshot and then that I tin can accept out, launder and put back the original AC filter. The filter is most compatible with the air conditioner. Thus, I tin can take peace of mind as long as I wash the filter regularly.
Putting multiple render vent filters is just too much inefficient work for me. Air conditioners are not designed in such a way. Furthermore, if you have a fresh air intake, more than work has to be done.
Even so, there are times when putting filters on return vents is necessary. Only like my previous work on a very old building. We had no choice only to put hundreds of return vent filters. Trust me, it is a painful process. Anyhow, everyone has a different situation, do what is best for y'all and know what to expect.
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