Mini Split Installation
Single-zone systems sized for the room they serve. We handle the indoor head, outdoor unit, line set, and electrical — start to finish.
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28 Five-Star Google Reviews
Mini Split Installation & Repair in Portland, OR
Mini splits are one of the most efficient ways to heat and cool individual rooms or homes without ductwork. We install and service all major brands — and help you find the right system for your space and budget.
- 28 Five-Star Reviews
- Licensed & Insured
- EPA Certified
- Free Estimates
Mini Split Services We Provide
All major brands. Single-zone and multi-zone. Free estimates on new installs.
Multi-Zone System Installation
One outdoor unit, multiple indoor heads. Control temperatures independently in two, three, or more zones across the home.
Get a quoteMini Split Repair
Not heating, not cooling, leaking, or throwing an error code? We diagnose all major brands and quote repairs upfront.
Get a quoteMini Split Maintenance
Annual cleanings keep efficiency high and extend system life. We clean the coils, check refrigerant levels, and verify drainage.
Get a quoteMini Split Replacement
Older system on its last legs? We'll give you an honest assessment and replacement options that fit your home and budget.
Get a quoteEmergency Mini Split Service
Comfort emergency? We offer 24/7 emergency response across Portland and the Willamette Valley.
Get a quoteSigns Your Mini Split Needs Attention
Catching issues early usually means a smaller repair bill. If you notice any of these, give us a call.
Unit not heating or cooling to the set temperature
Water leaking from the indoor air handler
Unusual sounds — grinding, rattling, or squealing
Ice forming on the indoor or outdoor unit
System running constantly without reaching setpoint
Remote or controls not responding
Unusual odor when the system runs
Why Portland Homeowners Are Choosing Mini Splits
Efficient, quiet, flexible — and well-suited to Portland's housing stock and climate.
No ductwork required — ideal for older Portland homes
Zone control — heat or cool only the rooms you're using
Highly efficient — most models achieve SEER ratings of 20+
Whisper-quiet operation
Eligible for Oregon utility rebates and federal tax credits
Curious whether a mini split is right for your home?
Call (503) 980-5587What Portland Homeowners Say About Our Mini Split Service
“Had NW Summit change out my furnace and AC. Will definitely recommend them to any of my friends or family needing any HVAC work. Mario came out and was able to give a quote that same day. Answered any questions I had and overall had a great experience. Well done.”
Mini Split Questions — Answered
Serving Portland and the Willamette Valley
Don't see your city? Call us — we likely serve your area.
Efficient Comfort, Room by Room.
Free estimates on all mini split installations. Call or submit a request and we'll get back to you fast.