How can we help today?

Choose an option to see quick actions and get help faster.

AC Maintenance

based on Over 1,016 reviews!

Is your AC running inefficiently or driving up your energy bills? Keep your cooling system reliable with our comprehensive AC maintenance services.

Group of Mackey Services employees standing in front of three green company vans and a brick building with a Mackey Services sign at sunset.

AC Maintenance: Protecting Your Cooling Investment

Are your energy bills creeping higher every month, is the airflow from your vents weaker than it used to be, or do you notice strange smells when the system kicks on? Even the most advanced air conditioners slowly lose their efficiency and cooling capacity if they are ignored. Dirt builds up, electrical connections loosen, and minor wear turns into major mechanical failure. Mackey Services provides comprehensive tune-ups to keep your equipment running efficiently and reliably all season long. If you're ready to diagnose your AC issues, contact us today.

AC Maintenance

Warning Signs You Need AC Maintenance

Steadily Increasing Energy Bills

If your cooling costs are noticeably higher than they were at the same time last year, your system is likely struggling. When components are dirty or out of calibration, the air conditioner has to draw more electricity to produce the same amount of cold air. A professional tune-up restores the system's efficiency and helps lower your monthly utility costs.

Weak or Inconsistent Airflow

When dust and debris clog your air filters or build up on your blower motor, the system cannot push air effectively through the ductwork. You may notice that the air trickling from the vents is cold, but it lacks the force to actually cool the room. Routine maintenance clears these blockages and restores strong, consistent airflow.

Lingering Musty Odors

A properly functioning air conditioner should improve your indoor air quality, not harm it. If you smell a musty, damp odor when the system turns on, you likely have biological growth developing on the indoor evaporator coil or in the condensate drain pan. Cleaning these areas during a maintenance visit eliminates the smell and protects your health.

Minor, Unexplained Noises

While loud grinding or squealing sounds require immediate repair, subtle rattles or ticking noises are early warning signs of loose components. Over time, the vibration of the system can cause screws to back out and electrical connections to weaken. Catching and tightening these components during a tune-up prevents them from causing significant damage later.

Frequent Thermostat Adjustments

If you constantly have to lower the thermostat just to feel comfortable, your system is losing its cooling capacity. This often happens when the outdoor condenser coil is blanketed in dirt, preventing the system from releasing heat. A thorough cleaning ensures the system can hit the target temperature quickly and cycle off appropriately.

Common Causes of Efficiency Loss

Neglected Air Filters

The most common cause of poor air conditioner performance is a completely clogged air filter. When the filter is choked with dust and pet dander, the blower motor has to strain to pull air through it. This intense strain drastically reduces efficiency and can eventually cause the evaporator coil to freeze solid.

Dirty Condenser Coils

The outdoor unit sits exposed to the elements all year long. Grass clippings, pollen, dirt, and leaves get sucked into the aluminum fins of the condenser coil. This layer of debris acts like an insulating blanket, trapping heat inside the system and forcing the compressor to work dangerously hard to cool your home.

Degraded Electrical Components

The electrical components inside your air conditioner face brutal conditions, enduring intense heat and thousands of start-and-stop cycles. Capacitors slowly lose their ability to hold a charge, and contactors become pitted from electrical arcing. If these components are not tested and replaced as they weaken, they will eventually fail and shut the system down.

Clogged Condensate Drains

Your air conditioner extracts gallons of water from your indoor air every week. This moisture flows out through a narrow PVC drain line. Without regular flushing, algae and sludge can build up and create a complete blockage. This forces water to overflow into your home or triggers a safety switch that disables the entire cooling system.

What to Expect During Your AC Maintenance Service

When our technicians arrive for a maintenance visit, we do much more than simply change the filter. We perform a comprehensive inspection and cleaning of the entire system. We start at the outdoor unit, carefully washing the condenser coil to remove heat-trapping debris. We also test the capacitor, inspect the contactor for wear, and measure the electrical draw of the compressor.

Moving indoors, we evaluate the blower motor and ensure the evaporator coil is free of dust and biological growth. We flush the condensate drain line to prevent future clogs and water damage. We also check the refrigerant levels to ensure the system is perfectly charged, as even a minor discrepancy can severely impact efficiency.

Before we leave, we calibrate your thermostat and measure the temperature drop across your vents to confirm the system is cooling at peak capacity. We provide you with a detailed report of our findings, explaining the current health of your equipment and highlighting any areas of concern.

Related HVAC Services to Consider

While routine maintenance prevents most issues, our technicians occasionally uncover worn parts that are on the verge of breaking. In these cases, we will recommend a targeted AC Repair to fix the problem before it causes a complete breakdown. If we determine that your system is too old or damaged to benefit from a tune-up, we can walk you through your options for a full AC Installation. Proper care of your entire climate control setup is covered under our broader Residential HVAC services.

AC Maintenance Service Areas

AC Maintenance available in:

Why This Matters / The Cost of Waiting

Skipping annual maintenance is the fastest way to destroy an expensive air conditioning system. Minor issues, like a weakening capacitor, cost very little to replace during a tune-up. If ignored, that same failing capacitor can permanently damage the compressor, turning a minor expense into a catastrophic repair bill.

Furthermore, maintaining your system is often a requirement to keep your manufacturer's warranty valid. Most brands will not cover the cost of a failed compressor if the system was neglected. Investing in routine maintenance pays for itself by reducing your monthly energy bills, preventing emergency breakdowns, and extending the life of your equipment by years.

Expert AC Maintenance You Can Count On

You rely on your air conditioner to provide a safe, comfortable haven from the summer heat. Do not leave its performance to chance. Waiting for a breakdown to call a professional guarantees you will suffer through the heat when you need cooling the most.

The technicians at Mackey Services are dedicated to keeping your system in peak condition. We take the time to clean, test, and tune every critical component, giving you the peace of mind that your home will stay cool all season long. If you're ready to ensure your system's reliability, contact us today.

Hypothesis: We offer an exclusive maintenance membership program with priority scheduling. Hypothesis: Maintenance members receive a 15% discount on any required repairs. Hypothesis: We guarantee your system will not break down for the rest of the season after a tune-up.

Contact us today to schedule your service.

Plans for Every Need

Maintenance Plans

A maintenance plan keeps your HVAC system running efficiently year-round, extends equipment life, reduces energy bills, and provides peace of mind with proactive, priority service.

Technician in green uniform holding a tool near an outdoor HVAC unit next to a brick wall.

CoolCare Plan

Perfect for newer systems or budget-conscious homeowners wanting essential protection.

$16.95/month + $8.15/month additional units

20% Off Coupon | Online Filter Shop

20% Repair Discount

Priority scheduling

HVAC System replacement credits | $125/year up to $1,250

$0 dispatch fee

Technician in green uniform and baseball cap working on a Kohler generator outside next to grassy area.

Generators PowerUp Plan

Ideal for homes with systems 5+ years old or with moderate usage patterns.

Air Cooled up to 26KW: $39/month or $468

Liquid Cooled 24-38KW: $49/month or $588

Liquid Cooled 48-60KW: $59/month or $708

Man wearing Mackey Services uniform and cap standing in front of a Mackey Services van, with icons for CoolCare and Power Up Protection Plans from Mackey Services since 1992.

Mackey Combo plan

CoolCare Plan + Generators Plan

15% Off Coupon

Clients Say About Us

Customer Testimonials

Our AC stopped working during a heatwave, but your team responded quickly and restored comfort within hours. Professional, friendly, and highly recommended!

Design image