Maintain Your HVAC System Yourself

If you’re looking for ways to save money on home maintenance, start with your HVAC system. Inspect the filters every three months and replace each soiled filter with a fresh 3m filter. Of course, if filters are dirty or clogged during the monthly inspection, don’t wait: replace the filters right away. The HVAC system is designed to deliver optimum air quality with proper filter upkeep.


The filtration system should be regularly and thoroughly disinfected and cleaned throughout the year. Make sure that the system is turned off before cleaning, and begin remove the panel with a screwdriver to get started. The coils (both indoor evaporators and outdoor condensers) should be disinfected because they are constantly damp and offer ideal conditions for mold growth. An inexpensive half-and-half bleach/water solution is first used to kill mold that may be present on evaporator coils. Don’t expose yourself to mold, though: use a mask and gloves to protect the skin and lungs from mold spores and bleach fumes.


Next, clean the inside and outside coils. The indoor coils are often caked with debris, such as indoor dust and particles. Similarly, the outdoor coils may have dirt, leafs, or other matter from the outdoor environment on them. Apply an acid cleaner scrub (and always wear gloves for this step). If your Filtrete filter is not a temporary variety, wash it down and let it dry before replacing it.

Standing water may be a problem with your HVAC system so make sure to check the air intake ventilation system couple of months. Vents on or close to the roof can be especially problematic. Start with a manual mop-up of the water with soft cloth because standing water attracts mold growth. While the appearance of water in the HVAC system is to be expected, standing water should not collect on a constant basis. If your system collects standing water every month or every other month, the HVAC system may need professional inspection and repair. You will want to call a licensed technician as soon as possible to prevent the need for larger, more expensive repairs later.

Air Flow

Check the HVAC system fans at least twice a year to improve air quality and operating efficiency. As always, shut off the power before inspecting the fan to prevent injuries. Use a slightly damp cloth to remove dust and caked dirt.

Professional Maintenance

To insure the best function of your system, engage a HVAC technical repair professional to fully inspect and sanitize every two years. You’ll save money by performing regular maintenance beforehand!

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