Next, spray a generous amount of WD-40 in the cooling fins of the A/C, going from left to right. Let the solution sit for 15-20 minutes. This cleaning agent will expertly go deep into the cooling fins, while any other cleaning solution would only clean them up from the outside.
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This tip has been passed down through several generations of savvy cleaners: Use WD-40® Multi-Use Product to unstick gum from shoes, clothes, carpet and more. Scrape away as much gum as you can, spray with WD-40, blot, remove and rinse. Keep paint from sticking to doorknobs and handles.
Spray directly on cooling fins from left to right, starting for the top. Leave for 5 minutes to let cleaner penetrate deep into cooling fins. Place filters back to original position. Switch on air-conditioner for at least 15 minutes to drain out dust through drain hose.
Spray down the interior cabinet and exterior housing with hydrogen peroxide, and use a cloth or rag to wipe down everything that you can reach. You can use the same spray cleaning solution on the evaporator and condenser coils, or you can use an AC coil spray cleaner.
Do NOT use WD-40 or other all-purpose lubricants.
Yes, vinegar mixed with water is often used to clean AC coils at home. However, vinegar is usually effective only against lighter dirt build-ups. Nevertheless, you can keep your coils in good shape by mixing white vinegar and water in a spray bottle and spraying the mixture onto the coils.
To do this WD-40 is likely using a non-ionic surfactant of some sort similar to what is used in shampoos to emulsify the water and allow the flow of the WD-40 spray to remove (displace) the emulsified water.
Polycarbonate and clear polystyrene plastic are among the few surfaces on which to avoid using a petroleum-based product like WD-40.
Myth: WD-40 Multi-Use Product is not really a lubricant. Fact: While the “W-D” in WD-40 stands for Water Displacement, WD-40 Multi-Use Product is a unique, special blend of lubricants. The product's formulation also contains anti-corrosion agents and ingredients for penetration, water displacement and soil removal.
You might have hesitations about spraying water on your air conditioner, but rest assured, this is OK to do. Understandably, a lot of people are apprehensive about mixing electronics and water, but the sensitive parts of your outdoor AC unit are protected from moisture.
You can absolutely spray water on your air conditioner to clean it. You can use your reliable old garden hose, and you don't even have to be gentle with it. Simply set it to a hard stream and run it over the unit from top to bottom for a thorough cleaning.
Yes, you can hose down your ac unit. In fact, spraying water on your air conditioner to clear dirt and other debris, along with a regular/preventative maintenance plan can help keep your air conditioner unit running more efficiently.
If you're dealing with more than just dust on your evaporator coil, you may need to invest in more work when it comes to cleaning. Fortunately, all you need is some mild dishwashing detergent, white vinegar, plenty of warm distilled water, and a couple of spray bottles, as well as a soft bristle brush.
If you prefer a more natural solution, you can also make a DIY cleaning solution using water, vinegar, and baking soda. Mix one cup of vinegar and half a cup of baking soda in a gallon of water. This solution can be used to clean the air filters, coils, and drain pan.
Every month when you change your air filter, you can add a couple of drops of essential oils to the fabric of the filter. When the air conditioning turns on and the air passes through the filter, the scent of the oil will also waft into the home. Lavender, sandalwood or eucalyptus are all pleasant options.
Using the shop vac, the service technician can then clean the unwanted dirt and debris from the unit. These actions will remove mostly loose, surface materials from the coil. To remove more stubborn buildup, your dealer can follow up with either a household detergent or a commercially available coil cleaning solution.
You can use degreasers on condenser coils, however be sure to choose degreasing cleaners specially made for cleaning HVACR coils.
Any standard dish soap, mixed with warm water should do the trick on really grimy coils. We recommend mixing the water and detergent in a spray bottle and then applying it to the coils. Before using a soft brush to scrub away the grime, give the solution a few seconds to settle in and break up the debris.
Decreased Performance. Performance decreases significantly when your AC coils are dirty. Your unit can no longer cool air efficiently with a layer of dirt buildup on the indoor coil. Refrigerant may take longer to evaporate, resulting in higher indoor temperatures or, in extreme cases, your unit overheating.
Once you have cleaned your evaporator coils, you may need to allow your system to dry before turning the AC back on. Leave the access panel off and wait 30 to 60 minutes before turning the system back on.
Experts in air conditioning advise that even if there is nothing wrong with your air conditioning unit, you still need to have it cleaned at least once every 12 months to make sure that your air conditioner is working at its peak efficiency during the season when you need it the most.