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How to clean coils - Refrigerators

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Posted on Dec 09, 2012

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Can i clean the coils with spray cleaner and hose the umit down with water


If you are talking about the outdoor unit, just spray water on your coil and then some simple green on the coil, let it sit for 10 minutes then thoroughly rinse off the coil making sure not to bend over the aluminum coil fins. If you are talking about the indoor coil, that is not consumer accessible for cleaning. You need to strip the sheet metal iff the coil to gain access which is difficult since you have the refrigerant lines leading in. If you do try to clean and strip it VERY carefully. If you puncture the refrigerant lines out side or the coil inside, you'll need to have an HVAC professional repair, evacuate, and recharge the system

Aug 06, 2016 | Heating & Cooling

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Condenser Coil Cleaning Condenser Coil Cleaner


One of the most important things to maintaining a highly efficient Air Conditioner is keeping the condenser coil clean. To make your condenser coil cleaning as easy as possible you need to know what to use to clean your coil.

There are a number of different things that can be used to clean your condenser coil. It does not matter whether you are cleaning a central air conditioning unit or a window air conditioning unit. What does matter is the type and location of the coil and the amount of dirt that is in the coil.

When looking at the type of coil cleaner to be used, make sure that the chemical being used is compatible with the type of metal that the coil is made out of. Some chemicals and certain metals do not get along well and should be avoided.

Also, if you condenser coil is severely plugged then a foaming type coil cleaner is a must have item. If the condenser coil just needs to be washed down and is not completely plugged then a mild detergent may be just the tool needed to do the job.

For many units that have regular cleanings, a good quality detergent similar to what you use to wash your car, will work just fine. The main object of the cleaning is to remove the dust, dirt, and grime from the coil to promote better air flow through the coil. If the coil is just plugged with grass or dandelion seeds them a simple hosing off with the water hose may do the trick.

If a foaming cleaner is need to clean a neglected or very dirty coil then look up your local heating and air conditioning supply house and purchase a coil cleaner specifically for cleaning condenser coils. Most of these products are for professional use only and care is needed when using and handling these products.

Condenser coil cleaning can be done by the homeowner if proper care is taken and it will keep you air conditioning unit running great whether it is a central air conditioning unit or a window air conditioning unit. Once you know what to do and how to do it you may find that you will be cleaning your condenser coil a number of times a year to insure top performance from your unit.
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on Jan 10, 2010 | Heating & Cooling

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Air Conditioning - Cleaning the Condenser Coil


Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} Air Conditioning works by exchanging heat from inside a building to the outside air. To do this some very basic refrigeration principles need to take place. One of the most critical pieces that make this happen is the condenser coil. This is usually the aluminum coil the surrounds the air conditioning compressor.
What happens inside this outdoor unit is a very basic state change of the refrigerant inside the air conditioning unit. The refrigerant that changes from a liquid to a gas inside the indoor coil moves to the outside where the compressor compresses the gas under high pressure. When this happens the gas also becomes very hot. The hot gas then leaves the compressor to start traveling through the many feet of tubing in the condenser coil. As the gas cools it changes back to a liquid form going back indoors to start the cycle all over again.
Big problems start when the condenser coil becomes so blocked up with dirt that the hot gas in the condenser coil does not cool enough to change the hot gas back to a liquid form. If this happens the cooling process does not happen and then air conditioner runs but is not cooling. The compressor starts to get very hot and the ultimate result will be the death of a compressor. For these reasons the condenser coil must be kept clean and free of debris at all times when the air conditioner is running. Cleaning the coil is a fairly simple process, Here are a few guidelines to follow when doing this.
To clean the coil a few simple tools are needed. A garden hose with a nozzle, wrenches to remove the condenser fan, a garden sprayer for applying the cleaning solution. The first thing is to disconnect the power to the outdoor unit. There should be a disconnect switch of some type near the condenser. Then remove the fan from the condenser unit. Usually this will be the top of the unit. The fan can usually be laid aside carefully without disconnecting the wires to the motor. Carefully wet down the coil with the garden hose. If you have very high pressure water where you live be careful that the water pressure does not bend over the fins on the coil. These are very thin and fragile. If they get bent over the air will not be able to freely flow through them. Using the cleaning solution from the garden sprayer, coat he inside and the outside of the coil. Let the solution work on the dirt build up before washing it off. If you use a foaming type coil cleaner then let the foam cook the dirt out of the coil. Then use the garden hose to wash the dirt out of the coil. I often work from the inside spraying out through the coil. This is the reverse of the usual air flow and it washes the dirt out easier. Rinse the coil with water till it is clean with no more dirt or cleaner coming out. Replace the fan and start the unit back up.
The cleaning solution for the condenser coil can be any good household cleaner. Many automotive type radiator cleaners will work well. For very dirty condensers it would be good to buy a foaming coil cleaner made specifically for cleaning condenser coils. A local plumbing and heating supply house should stock coil cleaning solutions. Most of these solutions are very strong chemicals. Be sure to wear gloves and eye protection when working with them.
By keeping your air conditioning condenser coil clean, you will help to have your air conditioner running at the best efficiency possible. A clean condenser coil is one of the easiest ways to save electric while running your central air conditioning system. A clean coil will allow your compressor to run cooler and help it to last longer. Your condenser coil should be thoroughly cleaned at least once a year. If in you live in very dirty areas like along a dirt road you may need to clean the condenser coil more often. Also do not do things that would clog up the coil. Blowing grass clippings into the condenser coil is one common thing that happens. Keep shrubbery from growing into and around the condenser coil. This stops the air flow to the coil. Large flowers planted too close to the coil can do the same thing.
As you can see there are many things that can cause your air conditioner to work harder and cost you more money. By taking a the time to look over things and give it a cleaning you can save a lot of money.

on Dec 03, 2009 | Heating & Cooling

1 Answer

Dirty coils in the plentumona Goodman CKL30how to clean the coils myself.


If the coil has only small dust particles attached to it a degreaser such as Simple Green can be used in a spray bottle very generously applied to the coil from the top down, preferable from both sides of the coil. If damage is avoidable, a water hose may be used to wash the coil, though this is a very messy avenue to take. Many times special access holes in the plenum will have to be cut as the coil is not always accessible. For heavier buildups of larger particles mechanical cleaning is required. Great care must be taken not to bend or break the coil fins. We use specialized fin combs and brushes, but a stiff paintbrush can be used though it is much more time consuming. From time to time coils become completely clogged with dust particles. I have been known to pump down systems and completely remove coils, taking them to self-serve car washes to clean them. Depending on the severity of your coil, a professional cleaning may be necessary as we have access to specialized chemicals which facilitate the process. If you choose to clean the coil yourself make sure that you flush the drain line afterwards with plenty of water.

Sep 25, 2011 | Goodman CLQ36AR49 Air Conditioner

1 Answer

The front of the unit behind the filter freezes up. Worked flawlessly for weeks but freezes up. Cleaned the filter several times but continues to do so.


the reason for the coil (behind the filter) to freeze up is 'low air flow' over the coil, which is usually caused by a dirty filter AND/OR the coil itself.
Be sure the coil is clean and not clogged up. Shine a flashlight into the fins and be sure it's clean.
If it is clean then you need to look at the fan motor. Is it blowing correctly? Is it cutting off at times?
Low air flow across the coil is the main problem with coils freezing up, although less likely is a 'low refrigerant charge.'
I would make sure the coil was clean and the motor was blowing air across it in the proper manner.

Aug 05, 2011 | Haier ESA3109 WallWindow Air Conditioner

2 Answers

How do you clean coils of a Whirlpool side by


Hi,

Here is a tip that I wrote about how to clean those coils..

RefrigeratorCondenser Coil Cleaning Refrigerator Repair

heatman101

Jul 08, 2011 | Whirlpool 25.6 cu. ft. Side-by-Side...

1 Answer

Do I need to clean coils in haier hwro6xc7 air conditioner


You always need to keep both coils clean on your AC.

The evaporator coil (where room air is drawn in and through a filter) - is easy to keep clean - 'just keep the filter changed on a regular basis and you will probably never need to actually clean the evaporator coil. Occasionaly you might need to brush the coil with a brush or something - but this is not a big concern.

The condenser coil (where hot air blows from) is even 'easier,' for you don't have to mess with a filter, just keep the coil clean. You can occasionally pull the unit (when needed) and wash this coil with a water hose. In reality this coil will not get very dirty very fast - although it will (over time) acquire some dirt/dust, but as I say - it is pretty easy to keep clean. Note: Condensing units (split systems) that sit in a yard will get much dirtier much faster than window/thru the wall units such as yours, but you still have to keep a eye on the coil.

A good rule of thumb - is to change the filter (in front of the evaporator coil) - monthly.

As for the condenser coil (where hot air blows from) you can easy see it and just need to keep it clean, with no set (usually) time to do so.

good luck!

May 02, 2010 | Haier HWR06XC5 Wall/Window Air Conditioner

1 Answer

My duo therm ducted ac not blowing cold air...has a flaky crusty black stuff on the inside coils of return air side?


you need to clean this section of coils badly. Get a plant or weed sprayer. go to a a/c parts supply store and get some coil cleaner. Tell the staff that you need something to clean the coils on your a/c coil. Tell them what kind of a/c you have abd they will assist you in the purchase of the proper chemicals. Make sure to read directions for the use of the chemical and also wear all necessary protection equipment, i.e. safety glasses, gloves. Follow the instructions on the chemical as how to clean your coils. Once the coils are cleaned you still may need to have the pressures checked on your unit. It won't help to check the pressures on your unit when coils are dirty since that will give you false readings. So you need to start by cleaning the coils. Good luck Dave

Jul 16, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

How do I clean the coils on my Hampton Bay Dehumidifier?


The problem is probably due to dirty or clogged coils. Cleaning the coils to a dehumidifier is similar to cleaning the coils on an air conditioner. It really depends on how dirty the coils are. If it is not too dirty you can use a shop vacuum with a brush attachment. If it is really dirty you will have to use a non acidic hvac coil cleaner or you can use a household cleaner like Simple Green that has been diluted 1:1 with water and placed in a spray bottle. Spray the solution on and let it sit for 5-10 minutes. Make sure you unplug the unit before doing anything. If you use Simple Green make sure you spray it down with clean water. If you use an hvac type coil cleaner some do not require rinsing. Follow the directions on the product exactly. You might have to use a brush or even a putty knife if the coil is totally clogged. Be careful you do not damage the coil. Good luck!

Jun 25, 2009 | Dehumidifiers

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