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.
Service & Repair Pricing Guide
We believe in upfront, transparent pricing. Here is a general guide for common service calls in the Seattle area:
Annual Maintenance Visit
Starting around $150–$250
Full system tune-up including coil cleaning, drain flush, refrigerant check, and performance test.
Diagnostic & Repair
Starting at a service call fee + parts
We diagnose the issue and provide a quote. Most common repairs (capacitors, drain lines, filters) are resolved same day.
Maintenance Plans
Custom annual pricing
Priority scheduling, discounted labor, and seasonal visits — ideal for landlords and homeowners with multiple units.
All pricing is provided upfront before work begins. Contact us to book your service visit.
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.
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