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Air Conditioning System Maintenance

Your home's HVAC system is your first line of defense against our brutally hot South Carolina summers. To keep it running efficiently and reliably, a professional annual tune-up is essential. Without regular service, your air conditioner works harder, consumes more energy, and is far more likely to fail when you need it most—leading to costly, unexpected repairs.

At Carolina Conditions, we provide expert HVAC maintenance for homeowners in Columbia, Lexington, and the surrounding areas. Our comprehensive service ensures your system is in peak condition to keep your family cool and comfortable all season long.

Ready to schedule your annual AC tune-up? Don't wait for a problem. Call us at 803-233-7172 or contact us online to get started!

What’s Included in Our HVAC Tune-Up Checklist?

A professional tune-up is a complete multi-point inspection and cleaning for your home's cooling system. Our certified technicians perform a thorough HVAC maintenance service to restore performance, improve efficiency, and prevent future failures.

Our tune-up service includes:

  • Clean Condenser & Evaporator Coils: We remove dirt and debris that restricts airflow and makes your HVAC system work harder.
  • Check Refrigerant Levels: We verify the system has the correct charge for optimal cooling performance.
  • Inspect & Tighten Electrical Connections: We secure all connections to prevent electrical hazards and protect critical components from failure.
  • Lubricate Moving Parts: We lubricate motors and bearings to reduce friction, noise, and wear on your air conditioner.
  • Clear Condensate Drain Line: We flush the drain line to prevent clogs that can cause water damage and system shutdowns.
  • Calibrate Thermostat: We ensure your thermostat is reading the temperature correctly and communicating properly with your system.
  • Test Capacitors & Relays: We test the electronic components most susceptible to failure during extreme heat.
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The Top Benefits of Annual HVAC Maintenance

Regular service on your air conditioner or HVAC system is an investment that pays for itself. A professional AC tune-up delivers benefits you'll notice immediately.

Lower Costs & Higher Efficiency

A clean and well-maintained air conditioner runs more efficiently, consuming less energy to cool your home. This directly translates to lower monthly power bills. By catching potential issues early during an HVAC tune-up, we also help you avoid the high cost of emergency repairs.

Reliable Comfort

The primary reason you have an AC unit is to stay cool. Our maintenance service ensures your system is running at its best, so it can reliably keep your home comfortable, even on the hottest South Carolina days.

Longer System Lifespan

Your HVAC system is a major home investment. Annual maintenance is the best way to protect that investment, helping your unit run better and last longer. A well-serviced system can last its full 10-15 year lifespan, so you don't have to worry about replacing it sooner than expected.

Our HVAC Maintenance Plan: The Carolina Care Club

For homeowners in Columbia and Lexington looking for the ultimate in convenience and savings, consider joining the Carolina Care Club! This annual maintenance plan is the easiest way to ensure your entire HVAC system gets the care it needs, year after year.

Membership comes with valuable perks, including:

  • Annual precision tune-ups for your cooling and heating systems.
  • Discounts on services and repairs.
  • Priority scheduling over non-members.
  • Replacement purchase accrual options.

Sign up today and let us take care of the rest!

AC Maintenance FAQs

How much does it cost to get your AC cleaned out?

The national average cost to service your air conditioning unit or system is between $50 and $140. What you spend is determined by whether your HVAC technician does a basic tune-up and cleaning or if they detect any significant problems with your air conditioner that need to be repaired.

How often should you do maintenance on your AC unit?

We suggest that your home air conditioning system be serviced at least once a year. The same is true of your heating system. An annual air conditioner service appointment is always necessary to guarantee that you get the most out of your time, money and the life and safety of your AC system.

What kind of maintenance does an AC unit need?

Changing air filters is an important aspect of maintaining your HVAC unit. Dirty filters are a very common cause of your system not performing as well as it could or shutting off entirely. So, be sure to check your filters for dust and debris every month and change it at least every 90 days or more often if you have pets. 

An air conditioner's yearly maintenance requires expert hands and should not be treated lightly because there are various aspects that require careful calibration and inspection. A lot of problems may be avoided by having your HVAC system serviced on a regular basis.

How does cleaning the AC unit affect its performance?

Cleaning your AC unit significantly enhances its performance by ensuring unobstructed airflow through the removal of debris from filters and coils, which is crucial for efficient cooling. This leads to increased efficiency, as a clean system operates more smoothly, thereby reducing energy consumption and lowering utility bills. Moreover, clean evaporator coils prevent ice formation that can impair the AC's cooling ability, while regular cleaning minimizes wear and tear on components, thereby extending the unit’s operational life. Additionally, removing dust and allergens from the system improves the air quality inside your home.

Do I need to clean my AC’s filters, and how often?

Yes, cleaning your AC's filters is essential for maintaining its efficiency and prolonging its lifespan. Generally, it's recommended to clean or check the filters every one to two months, especially during peak usage periods in the summer and winter. If you have pets, live in a dusty area, or use your unit frequently, you might need to clean the filters more often. Reusable filters can be cleaned with water, while disposable filters should be replaced once they are clogged or dirty.

Can AC maintenance affect my indoor air quality?

Yes, AC maintenance can significantly impact indoor air quality. A poorly maintained system can circulate dust, mold spores, pet dander, and other allergens throughout your home. Regular upkeep helps ensure clean, healthy air. Here’s how:

  • Dirty air filters trap fewer pollutants, allowing them to circulate.

  • Mold and bacteria can grow on coils and in drain pans, affecting air freshness.

  • Clogged ductwork reduces airflow and spreads contaminants.

  • Routine maintenance like filter replacement, coil cleaning, and duct inspections helps eliminate these issues.

By keeping your AC clean and efficient, you’re also protecting your family’s respiratory health.

What’s “short cycling” and why is it a red flag?

Short cycling is when your AC turns on and off too frequently, often before completing a full cooling cycle. This behavior can signal deeper issues and lead to higher energy bills or system damage. Here’s why it’s a red flag:

  • Thermostat malfunctions may cause incorrect temperature readings.

  • Dirty air filters or coils can restrict airflow, forcing the system to shut down prematurely.

  • Oversized AC units cool spaces too quickly, causing rapid cycling.

  • Low refrigerant levels can trigger system safety shutoffs.

Left unchecked, short cycling causes excessive wear, shortens system lifespan, and reduces energy efficiency.

Schedule Your AC Tune-Up in Columbia, SC Now

For prompt, friendly, and expert HVAC maintenance service in and around Columbia, SC, trust the team at Carolina Conditions.

Call us today at 803-233-7172 or contact us online to schedule your AC maintenance or HVAC tune-up!

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