AC cleaning service

There’s nothing quite as refreshing as stepping into a cool, comfortable home on a hot, humid summer day. It’s a sensation we’ve enjoyed since 1902 when modern air conditioning was invented by Willis Carrier. For most people, it’s hard to imagine life without it. However, like any other mechanical device, an air conditioner and its many components require some basic cleaning and maintenance to continue operating at its best. It’s kind of like when you buy a new car, you know the key to keeping it running its best is to keep the engine tuned up, the oil changed, and the wheels balanced and rotated. When it comes to central air conditioning, cleaning your air conditioner coils is integral to the long-term health of the system. Air conditioner coil cleaning can help you save money, maintain efficiency and extend the system’s life expectancy.

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AIR CONDITIONER COIL CLEANING METHODS
HOW TO CLEAN AC COILS WITH COMPRESSED AIR
Your dealer may use a combination of using compressed air, a shop-vac and heavy-duty coil-cleaning chemicals that meet the specifications of your air conditioner model. This method is typically recommended only for the outdoor condensing coil. Cleaning the indoor evaporator coil with compressed air will blow dust and debris inside the home. Using compressed air can be a quick and reasonably effective method to remove surface dust, dirt and debris from the coil. When cleaning an outdoor coil with compressed air, an HVAC dealer will blow the air through the coils opposite the direction that air flows through the coil during normal use. This will result in pushing air through the cleaner side back through the dirtier side. Your dealer will be careful to blow the air straight through the fins, not at an angle. This is because the fins are very thin metal and bend easily. 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.

HOW TO CLEAN AC COILS WITH HOUSEHOLD DETERGENT
While there are a number of commercially available coil cleaning solutions on the market, air conditioner coils can be cleaned with a solution of a mild household detergent and water. The detergent and water mix is applied to the coil using a low-pressure sprayer. The coil is either allowed to drain naturally, or lightly rinsed with a garden hose. This process may be repeated as necessary. If a contractor chooses this method, be sure they are using a low-pressure sprayer and not using a pressure washer. They should never use a pressure washer, because the high-powered spray will most likely damage the coil’s thin metal fins. Damaged or bent fins can restrict airflow and can result in reduced heat transfer capabilities. Also be sure they are not using a detergent that is highly acidic. Acidic cleaners damage the copper and alloy metals used in the coil, and potentially cause corrosion which will shorten the life of the coil.

HOW TO CLEAN AC COILS WITH COMMERCIAL CLEANERS
Your Carrier dealer may choose to clean your air conditioner coils with commercially available coil cleaning solutions. There are several types available, including foaming cleaners for outdoor condenser coils and self-rinsing cleaners for indoor evaporator coils. These can be found in aerosol cans or available in bulk for use in a low-pressure sprayer. When cleaning your outdoor coil, the contractor will likely clear away any surface debris by hand or with a special fin brush. Then, they will follow up by applying the commercial cleaner, and rinsing the coil with water depending on the cleaner instructions and manufacturer’s recommendations. To clean your indoor evaporator coil, the contractor will most likely clear larger debris by hand or with a special brush, then follow up by applying a self-rinsing evaporator oil product. This product will clean the coil effectively and rinse off during the cooling process when the system is turned on.