Older air conditioners tend to be less energy efficient than their modern counterparts. Dirty filters, evaporator coils and condenser coils can further reduce air and energy efficiency. Water collecting at the bottom of the air conditioner can cause mold to grow and harm you and your family members. To save energy and prevent health problems, you should clean an old air conditioner regularly.
Locate your air conditioner filter. It will be located along the length of the return duct, in the wall, ceiling, furnace or the actual air conditioner. Clean or replace the filter every 2 to 6 months. Change it more often if you have furry pets, live in dusty conditions or use the air conditioner often.
Check the outside condenser coil every year. Rake away leaves and other debris, and use your pruning shears to trim branches back at least 2 feet away from the coil. If you notice actual dirt on or around the coil, wash it away with a garden hose.
Check the evaporator coil once a year and clean it when necessary. If you change the filter regularly, there shouldn’t be much dirt on the evaporator coil, but it can build up over time in older units.
Remove the screws on the front grille if you notice a musty odor. Remove the grille to expose the air conditioner drain hole. Examine the hole to make sure water can drain freely. If the drain is blocked, unblock it with a wire clothes hanger and replace the grille.
The air conditioning system of an automobile gives the vehicle cold, conditioned controlled air for the sake of comfortable driving. What powers the system is refrigerant that will need regular maintenance for the air conditioning system to run efficiently. The two refrigerant types used in automobiles are Dichlorodifluoromethane and 1, 1, 1, 2-Tetrafluoroethane, known as R-12 and R-134a. Freon is no longer used in newer automobiles. R-134a, is now its replacement for air conditioning servicing.
Pop open the hood of the automobile by pulling the release latch by the driver side door. Ensure that the automobile is not running.
Determine the type of air conditioner that you have mounted to the automobile’s engine. Afterward, follow the lines that are protruding from it. A 16-millimeter fitting is on one line while a smaller 13-millimeter fitting is on the other line. Take off the protective cap from the smaller fitting, which will be the low side R-134a service fitting.
Ensure that you put on a pair of safety goggles to protect your eyes. Puncture the can’s seal by closing the valve on the servicing hose. Allow air to escape from the service hose by quickly opening and closing the valve.
Take the end of the service hose and attach it to the R-134a service fitting. Start the automobile’s ignition. Afterward, put the air conditioning up to its highest cooling settings.
Open up the servicing hose’s valve. The refrigerant will get sucked in by the air conditioning system. The air conditioning vents should now start emanating colder air.
Observe the service hose’s gauge. If it reads between 25-40 psig, close the valve. Remove the service hose from the R-134a fitting. Put the protective cap back on. Turn off the automobile and close the hood.
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