Ductless Mini Split Systems Services
Efficient, Quiet, and Flexible Cooling Without the Ductwork
Looking for a smarter way to cool your home without bulky ducts or major renovations? Ductless Mini Split Systems are one of the most efficient and versatile solutions available.
Whether you’re cooling a single room, garage, office, or an entire home with multi-zone comfort, ductless systems deliver powerful cooling with whisper-quiet operation and lower utility bills.
Limited Time Offer
Save on your next cooling service. Check out our current promotions!
Our Ductless Mini Split Services
Installation & Replacement
We help you choose the right single-zone or multi-zone setup and install it cleanly and efficiently.
Repairs & Troubleshooting
From refrigerant leaks to poor airflow, our technicians diagnose and repair all major mini split brands.
Maintenance Plans
Regular cleaning and tune-ups keep your mini split system performing like new while extending its lifespan
Why Choose Marathon for Ductless Mini Split Systems Services?
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
Benefits of Ductless Mini Split Systems
No Ductwork Needed
Ideal for older homes, room additions, and converted spaces
Energy Efficient
Uses less electricity than traditional AC systems
Zoned Temperature Control
Cool individual rooms to your preference
Ultra-Quiet Operation
No loud fan noise like window or portable units
Heating & Cooling in One Unit
(heat pump models available)
Signs You May Need AC Service
If you’re noticing any of the issues below, it may be time to schedule a professional AC tune-up:
Perfect for Homes Without Ductwork
Mini-split systems deliver efficient cooling and heating without the need for existing air ducts, making installation simple and cost-effective.
Ideal for Bedrooms, Offices, Sunrooms, and Workshops
Ductless units provide targeted comfort in frequently used rooms where temperature control matters most.
Great for Garages and ADUs
Mini splits are an excellent solution for converted garages, guest suites, and Accessory Dwelling Units that need independent climate control.
Smart Choice for Older Homes
If your home wasn’t designed for central AC, ductless systems offer modern comfort without major construction or invasive ductwork.
Multi-Zone Comfort for the Whole Household
Ductless systems allow customized temperature zones, eliminating thermostat battles and keeping everyone comfortable.
Serving Los Angeles, Riverside & Orange County
At Marathon Plumbing, Heating & 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:
Fast, reliable fixes for all AC makes and models
Keep your system running consistently and efficiently
Upgrade to a modern, energy-saving system
Annual maintenance to boost efficiency and prevent breakdowns.
Thermostat Services
Smart thermostat installations & repairs
Installation, repair, and maintenance for high-efficiency zoned cooling systems.