Our reliable air conditioners become our only hope as the sweltering summer heat descends. Regular AC maintenance ensures your cooling system performs effectively and dependably throughout the season. Following a thorough AC maintenance checklist, you can keep your air conditioner in peak condition, increase energy efficiency, lengthen its lifespan, and experience continuous comfort. Following these easy instructions, you may have a functioning air conditioner all summer long.

Clean Condenser Coils and Air Filters

Clean or replace the air filters as the first step in your regular AC maintenance schedule. Clogged filters make it harder for your air conditioner to operate and use more energy. Clean filters enhance indoor air quality and stop the spread of dust, pollen, and allergies. To clean or change the filters, adhere to the manufacturer’s directions, ideally once every one to three months.

Over time, the condenser coils in your outdoor unit may gather dirt, debris, and grime, impeding heat transfer and decreasing cooling effectiveness. Examine the coils and clear any buildup with a soft brush or a vacuum. 

Clear the Condensate Drain Line

A clogged condensate drain line can cause water to back up and damage your AC system. Find the drain line and make sure it is unobstructed. Use bleach and water to flush the drain pipe if you see water collecting around the indoor unit to stop mold or mildew growth.

Examine Coil Fins

Bent or damaged coil fins can impede airflow, lowering your air conditioner’s effectiveness. To ensure unhindered airflow and effective heat exchange, gently straighten any bent fins using a fin comb or another soft instrument. Be careful not to put too much pressure on or risk damaging the coils.

Lubricate Moving components

Keeping your AC system’s moving components adequately lubricated will help decrease wear and tear, reduce friction, and increase the device’s lifespan. To identify the parts that need lubrication, consult the owner’s manual, and use the required grease or oil to keep them operating smoothly. 

Examine fan belts

If the fan belts are old or worn out, your air conditioner will run inefficiently and make unpleasant noises. Look for fractures, fraying, or excessive slack in the fan belts. Replace broken belts to preserve smooth functioning and reduce needless strain on the motor.

Check Thermostat Accuracy

Inconsistent cooling and energy waste might result from a malfunctioning or incorrect thermostat. Check your thermostat’s accuracy by contrasting the indicated temperature with a reliable thermometer. Consider recalibrating or replacing the thermostat if there is a substantial disparity to ensure precise temperature control.

Check Electrical Connections

Verify that your air conditioning system’s electrical wiring and connections are safe and undamaged. Power problems and associated safety risks might result from loose connections or frayed wires. Consult a qualified HVAC specialist for the necessary repair or replacement if you see any issues.


According to this AC maintenance checklist, you can keep your cooling system in top shape and increase its performance, energy efficiency, and longevity. Regular maintenance lets you enjoy a cozy, relaxed indoor space all summer and protects you from unexpected breakdowns. Contact Interstate Gas & Oil for expert AC turn-up services to restore the AC’s optimal efficiency. Maintaining your air conditioner regularly can ensure that you always have cold, fresh air available when you need it most. Keep cool to fend off the heat! Give us a call today or send us an email!

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