Mini Split Repair & Maintenance
Fast, expert service to keep your ductless system running like new. We diagnose, repair, and maintain all major mini split brands across the greater Seattle area.
Schedule ServiceProtect Your Investment
Your mini split system is one of the most valuable comfort investments in your home. Regular maintenance keeps it running at peak efficiency, extends its lifespan by years, and prevents costly emergency repairs — especially before Seattle's cold winters or summer heat waves.
When something does go wrong, our experienced technicians respond quickly. We service all major ductless brands and carry common parts, so most repairs can be completed on the first visit.
- Comprehensive diagnostic and repair services
- Deep cleaning of indoor coils and blower wheels
- Refrigerant leak detection and recharge
- Condensate drain cleaning and flushing
- Electrical connection and capacitor inspection
- Service for Mitsubishi, Daikin, LG, Fujitsu & more
What's Included: Our Service Process
Whether it's a repair call or a routine tune-up, here's what to expect when you book with us.
Scheduling
Call or fill out our form — we offer same-week appointments in most cases and will confirm your visit time promptly.
On-Site Diagnosis
Our tech runs a full system diagnostic, checks error codes, and identifies the root cause before any work begins.
Upfront Quote
You receive a clear, itemized repair or maintenance quote before we touch anything — no surprise charges.
Repair or Tune-Up
We complete the approved work efficiently, using quality parts and following manufacturer specifications.
Performance Test & Report
We test the system and provide a written summary of work performed and any future maintenance recommendations.
Brands We Service
We are experienced with all major ductless brands — including systems we didn't install. No brand is too obscure.
Mitsubishi Electric
As one of the most widely installed brands in Seattle, we have extensive experience servicing Mitsubishi's full lineup and carry many OEM parts in stock.
Daikin
Daikin's advanced diagnostic systems allow us to quickly pinpoint issues and restore your system to manufacturer specifications, often in a single visit.
LG
LG systems are reliable, but like all HVAC equipment benefit from annual maintenance. We service all LG residential and light commercial ductless units.
Frequently Asked Questions
Ready to Beat the Seattle Weather?
Don't let the forecast dictate your comfort. Let Mark's Mini Splits bring year-round efficiency to your home with expert ductless installation.
Get Your Free Quote