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Put Your HVAC System on Your Spring Cleaning To-Do List!

By Fahrenheit AC /

Spring is here with all of its warm days and beauty. It may also be that time of the year for you when you very thoroughly clean areas of your home that normally end up on the back burner. If you’re feeling motivated about working on small projects around your house to make it feel like new again, we have some tips for a very important part of your life – the HVAC system.



Keeping your HVAC system properly maintained will ensure it runs efficiently and in good condition for the longest time possible. There are some DIY ways you can keep your HVAC system in check:


  • Clean your outside unit

    • Begin by turning off the power to the unit, it’s usually outside within sight of the outdoor unit. Some shut offs have a handle to pull down or fuse to remove, others may pull out. If you don’t see one, shut off the power at the circuit breaker.
    • Once the power is shut off, remove the outside filter and vacuum it with a soft bristle attachment. Avoid bending the delicate metal fins. Vacuum up any debris that blocks the airway to the coil. To get to the condenser fins, you may have to unscrew and remove a metal casing.
    • Finally, remove the top grilled and hold it open and clear debris from there. Avoid stretching any electrical wires.
    • Once it has been cleaned it’s time to turn the power back on. If the power to your compressor has been off for more than four hours, don’t start the outdoor unit immediately after cleaning. Instead, move the switch from “Cool” to “Off” at your inside thermostat. Switch the power back on and let the outdoor unit sit for 24 hours. (This allows a warming element to heat the compressor’s internal lubricant.) Finally, switch the thermostat to its cooling mode and set the temperature so that the outdoor unit comes on.
    • Keep the area around the unit clean. Rake up any leaves and remove any branches or trash.
  • Clean the indoor unit

    • Check your filter. If it is coated with dust, it’s time to replace it with a fresh one. Write the date on the edge with a marker so you can approximate when the next change should be.
    • You can vacuum the blower compartment to eliminate debris even further. Turn the power to the HVAC off. Then vacuum up any dust you see that has built up in the compartment.
    • Check your condensation drain for any sludge and algae that may be collecting. This can cause a clog and lead to a leak. If you notice that the drain is partially clogged, pour a bleach and water solution (1 part bleach, 16 parts water) into the tube. If you cannot clear it, make sure to call your HVAC professional for service.

Your HVAC unit is a precious appliance in your house. It keeps you warm during the cold months and cool during those hot summer months. It’s a good idea to add this item to your Spring Cleaning list to keep it running in good condition for the months you need it the most. While you can do small DIY projects to keep it running smoothly, you can always count on your HVAC professional to answer any questions or to schedule a routine maintenance.

Family owned and operated, Fahrenheit AC has been serving South East Florida since 1990. We take pride in offering fast and friendly service with affordable pricing and warranty all of our work. The articles we share are items of interest and related to some questions we have answered in the past. If you have a question or would like to schedule an appointment please contact us at 954-793-8610.