Ductless Mini Split System Maintenance Plans
Keep Your Mini Split Running Like New — Year After Year
Ductless mini split systems are one of the most efficient ways to heat and cool your home — but, like any HVAC system, they require regular maintenance to stay reliable. We offer customized Ductless Mini Split System Maintenance Plans designed to keep your unit performing at peak efficiency while preventing costly breakdowns.
Whether you rely on a single-zone mini split for a bedroom or a multi-zone system for your entire home, our licensed HVAC technicians provide professional tune-ups that protect your investment and extend system life.
Limited Time Offer
Save on your next cooling service. Check out our current promotions!
Why Schedule Mini Split Maintenance?
Mini splits are efficient, but they need routine care to maintain peak performance and indoor comfort.
Restore Peak Efficiency
A clean and finely tuned mini split uses less energy to heat and cool your home.
Improve Airflow & Comfort
Dirty coils and filters reduce airflow — maintenance restores strong, consistent output.
Reduce Costly Repairs
Regular inspections help catch issues early, preventing major system failures.
Extend System Lifespan
Proper cleaning and care help your indoor and outdoor units last longer.
Improve Indoor Air Quality
Clean filters and coils help reduce dust, allergens, and odors.
Why Choose Marathon for Mini Split Maintenance?
Licensed & Insured
Fully certified technicians with experience on all major AC brands.
Comprehensive Tune-Ups
Thorough inspection, cleaning, and testing for peak performance.
Flexible Scheduling
Convenient appointment windows to fit your routine.
Upfront Pricing
Thorough inspection, cleaning, and testing for peak performance.
Trusted Locally
Serving Los Angeles, Riverside & Orange County
What’s Included in Our AC Maintenance Plans
Our maintenance plans include full annual tune-ups and priority care to ensure your cooling system is always ready when you need it.
Deep Cleaning of Indoor Air Handlers & Coils
Removes dust and buildup to improve airflow and efficiency.
Outdoor Condenser Cleaning & Debris Removal
Ensures proper heat exchange and prevents overheating.
Refrigerant Level Check
Confirms your system has proper charge for reliable heating and cooling.
Filter Cleaning or Replacement
Keeps air fresh and maintains strong airflow.
Electrical & Safety Inspections
Identifies worn components and prevents system failures.
Thermostat Testing & Calibration
Ensures accurate temperature readings and consistent comfort.
Signs You May Need Mini Split Service
If you notice any of these issues, your mini split may benefit from a maintenance visit:
Weak Airflow or Reduced Cooling/Heating
Often caused by dirty coils, filters, or fan components.
Unusual Noises or Vibrations
Grinding, clicking, or rattling can signal internal component wear.
Hot or Cold Spots
Inconsistent temperatures may indicate dirty or failing indoor units.
Higher Energy Bills
A struggling mini split uses more electricity to produce the same output.
System Running Constantly
This can signal restricted airflow, low refrigerant, or a failing sensor.
Serving Los Angeles, Riverside, and Orange Counties
At Marathon Plumbing, Heating, and Air, we’re proud to provide reliable furnace maintenance plans for homeowners and businesses throughout Los Angeles, Riverside, and Orange County. Our reputation is built on transparent pricing, expert service, and a commitment to keeping our customers comfortable year after year.
Los Angeles County
Riverside County
Orange County
San Bernardino
Pasadena
Long Beach
Related Cooling Services
Explore our full range of cooling solutions designed to keep your home running efficiently:
AC Repair
Fast, reliable fixes for all AC makes and models
AC Maintenance Plans
Keep your system running consistently and efficiently
Upgrade to a modern, energy-saving system
Annual maintenance to boost efficiency and prevent breakdowns.
Smart thermostat installations & repairs
Installation, repair, and maintenance for high-efficiency zoned cooling systems.
Enroll in a Mini Split Maintenance Plan Today
Protect your comfort and your investment with a Ductless Mini Split System Maintenance Plan from Marathon Plumbing, Heating & Air.