Benefits of a Ductless Mini-Split System
No Ductwork Required
Mini-splits are ideal for homes without existing ductwork — older Seattle houses, additions, converted garages, and ADUs. Installation is clean and non-invasive: one small wall penetration per zone.
Zone-by-Zone Control
Each indoor unit operates independently. Heat the bedroom, cool the living room, turn off what’s not in use. Multi-zone systems eliminate the waste of conditioning empty rooms.
Heating & Cooling in One System
Modern mini-splits are heat pumps — they provide efficient heating down to 5°F outside. In Seattle’s mild climate, a mini-split can replace both your AC and supplemental electric heating.
High Energy Efficiency
Ductless systems avoid the 20–30% energy loss common in forced-air duct systems. Combined with high SEER2 ratings, they consistently deliver lower monthly utility bills.
Whisper-Quiet Operation
Indoor units operate at 19–26 dB — quieter than a library. Inverter-driven compressors modulate output gradually instead of switching on and off, eliminating the noise spikes of traditional systems.
Fast Installation, Minimal Disruption
A single-zone mini-split installation typically takes 3–5 hours. Multi-zone systems are usually complete in one day. No major construction, no drywall work, no days of downtime.
Why Fuse Service
How Mini-Split Installation Works
In-Home Assessment
A technician visits your home to evaluate the rooms or zones you want to condition, wall and ceiling construction, electrical panel capacity, and optimal placement for indoor and outdoor units. We design a system that performs quietly and efficiently for your specific layout.
System Recommendation
We recommend the right configuration — single-zone for one room or multi-zone for whole-home coverage. We work with Mitsubishi, Daikin, LG, Trane, and Carrier, and will advise on SEER2 and HSPF2 ratings that deliver real savings in the Pacific Northwest climate.
Professional Installation
Our crew installs the indoor air handler(s), mounts the outdoor condenser, runs refrigerant lines and electrical connections, and seals all wall penetrations cleanly. We commission the system and verify refrigerant charge before leaving.
Post-Install Walkthrough
We walk you through remote control or app setup, filter cleaning schedule, and what normal operation looks and sounds like. Warranty documentation is provided on the same day.

Why Fuse Service
Why Choose Fuse Service for Your
Mini-Split Replacement?
Licensed & EPA-Certified Technicians
Every AC installation is handled by a licensed, EPA 608-certified technician — not a subcontractor. We size your system correctly from the first visit so you’re not paying to cool air that escapes through gaps in ductwork.
Same-Day Availability
We understand that Seattle summers are short and the cooling window is narrow. We offer same-day consultations and fast installation scheduling so your home is comfortable before the next heat wave hits.
Up to 12-Year Equipment Warranty
New AC installations come with up to a 10-year parts and labor warranty. If something goes wrong after install — we come back and fix it. No service call charge, no fine print.
Upfront Pricing — No Surprises
You’ll get a clear written estimate before any work begins. No hidden fees, no post-install additions. The price we quote is the price you pay.
AC Brands We are Installetion
We install ductless systems from the brands that lead the industry in reliability, efficiency, and warranty coverage. All equipment comes with manufacturer warranties backed by our own labor guarantee.
Other Air Conditioning Service
Areas We Serve
Fuse Service installs ductless mini-split systems across King County and Snohomish County. Our technicians know local permitting requirements, building codes, and the specific comfort challenges of Pacific Northwest homes — from craftsman bungalows to new construction.