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HVAC DIY Maintenance How-to Guide

  • Writer: Matt Cameron
    Matt Cameron
  • Jan 10
  • 3 min read

Updated: Jan 20

HVAC DIY Maintenance External AC Unit

Your HVAC system works tirelessly to keep your home comfortable year-round, so regular maintenance is essential to ensure it operates efficiently and lasts for years. Neglecting it can lead to higher energy bills, inconsistent performance, and expensive repairs. Follow this step-by-step guide to keep your HVAC system in top condition, especially in our hot humid climate here on the Gulf Coast of Alabama!





Why HVAC DIY Maintenance is Important!

Your HVAC system impacts not just your comfort but also your health and energy costs. Here are a few reasons why regular maintenance matters:


  • Energy Efficiency: A well-maintained system uses less energy, saving you money on those hot summers days here in Alabama!

  • Improved Air Quality: Clean filters and ducts mean healthier air for you and your family.

  • Longer Lifespan: Regular care helps your system run smoothly for many years.

  • Fewer Repairs: Identifying and fixing small issues prevents costly breakdowns.


Step-by-Step Guide to HVAC Maintenance

  1. Change the Air Filter

    • Frequency: Check and replace the air filter every 1-3 months, depending on usage and whether you have pets or allergies.

    • How-To: Locate the filter compartment (usually near the return air duct), slide out the old filter, and replace it with a clean one. Make sure the arrows on the filter match the airflow direction. Between replacing the filter(s), you can also use a vacuum to clean them off.


  2. Clean Around the Outdoor Unit

    • Why: The outdoor condenser unit needs proper airflow to function efficiently.

    • How-To:

      • Remove debris like leaves, dirt, and grass clippings from around the unit.

      • Trim back plants or shrubs so they’re at least 2 feet away.

      • Use a garden hose to gently rinse the unit’s fins to remove dirt buildup.


  3. Check the Thermostat

    • Why: An accurate thermostat ensures your system is heating or cooling as needed.

    • How-To:

      • Test the thermostat to ensure it responds correctly to temperature adjustments.

      • Consider upgrading to a programmable or smart thermostat for better efficiency.


  4. Inspect and Clean Vents

    • Why: Blocked or dirty vents reduce airflow and make your HVAC system work harder.

    • How-To:

      • Remove vent covers and vacuum inside to clear dust and debris.

      • Ensure vents are not blocked by furniture or other items.


  5. Check the Drain Line

    • Why: The drain line removes moisture from the system, and clogs can lead to leaks.

    • How-To:

      • Locate the condensate drain line, usually near the indoor unit.

      • Flush it with a mixture of vinegar and water to clear any clogs. You can also pour bleach down it. If it's not draining well, use a shop vac on the exterior of the home where it comes out of your home. This can help clear clogs and ensure proper drainage.


  6. Schedule Professional Maintenance

    • Why: While DIY steps help, a licensed technician can perform a deeper inspection and tune-up.

    • How-To:

      • Schedule professional maintenance twice a year: once before summer and once before winter.

      • The technician will inspect electrical connections, refrigerant levels, and overall system performance.


Pro Tips for Long-Term HVAC Care

  • Keep Ducts Clean: Have your ducts professionally cleaned every few years to maintain air quality.

  • Seal Air Leaks: Check for gaps around windows and doors to prevent your system from working harder.

  • Use Ceiling Fans: Fans can help distribute air more evenly, reducing strain on your HVAC.


Conclusion

A little effort goes a long way when it comes to HVAC DIY maintenance. Regular care not only saves you money but also ensures your home stays comfortable throughout the year. Need help inspecting your HVAC system as part of a comprehensive home inspection? Contact Trinity Home Inspections LLC today! We do yearly inspections of your entire home to ensure not only the HVAC is good but also other aspects of your home wether you are in Daphne, Fairhope, Gulf Shores, or any where in between within Mobile and Baldwin counties!

 
 
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