Ductless Mini-Split Repair and Maintenance for Homes & Businesses in the Portland, OR and Vancouver, WA Metro Areas

Ductless mini-split systems are a smart way to heat and cool homes and businesses, but like any system, they need occasional repairs and regular upkeep.  

At NW Performance Heating & Cooling, we provide ductless mini-split repair and maintenance for homes and businesses across Portland, OR, Vancouver, WA. Whether your system isn’t keeping up with the temperature, making unusual noises, or due for a check-up, we’re here to help. 

Ductless mini-split diagnostic and repair services

If your ductless heat pump isn’t working right, we’ll get it running again quickly. Our technicians have hands-on experience diagnosing and repairing top brands like Daikin, Fujitsu, Mitsubishi, LG, Ruud, and Carrier, so no matter what system you have, we’ll figure out the issue and fix it. 

Signs your ductless mini-split needs repairs:

  • Blowing warm air when cooling or cold air when heating 
  • Weak airflow or inconsistent temperatures 
  • Remote control or thermostat not responding 
  • Water pooling around the indoor unit 
  • Strange noises like rattling, grinding, or squeaking 
  • Unexplained spikes in your energy bill 

We provide fast, reliable repairs to keep your space comfortable without long wait times. 

Man installing a ductless mini split unit

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Keeping up with maintenance helps your system run smoothly, lowers energy costs, and reduces the risk of unexpected breakdowns. Our detailed system check-ups focus on efficiency, performance, and long-term reliability. 

Regular maintenance not only keeps your system running efficiently but also helps you avoid costly repairs and unexpected breakdowns. Some key benefits include: 

  • Lower energy costs: A clean and well-maintained system uses less energy, which can lower utility bills. 
  • Consistent comfort: Regular tune-ups help your system maintain consistent temperatures without sudden performance drops. 
  • Improved indoor air quality: Clean filters and coils reduce dust, allergens, and airborne contaminants, improving your home’s air. 
  • Longer system lifespan: Regular maintenance helps prevent breakdowns and extends the life of your ductless heat pump. 
  • Fewer repairs: Preventative maintenance catches minor issues before they become costly problems. 

By scheduling annual maintenance, you can prevent costly repairs, extend the life of your mini-split system, and ensure your home stays comfortable throughout the year. 

  • Inspecting and cleaning indoor and outdoor units 
  • Replacing air filters to improve air quality 
  • Checking refrigerant levels and inspecting for leaks 
  • Testing system controls and adjusting thermostat settings 
  • Cleaning coils to boost efficiency 
  • Ensuring proper airflow and clearing any obstructions 

Regular maintenance keeps your system running longer, saves energy, and improves indoor air quality. 

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Why choose NW Performance Heating and Cooling? 

Skilled technicians
Our certified team services and installs all major HVAC brands.

Fast response
We offer same-day appointments and emergency repair services.

Upfront pricing
No hidden fees—just honest, transparent estimates before work begins.

Energy efficiency
We help lower energy costs with high-performance HVAC solutions.

Local expertise
We understand Portland’s unique heating and cooling needs.


From energy-efficient installations to fast repairs and routine maintenance, we deliver HVAC solutions with upfront pricing and top-notch service.

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Quiet and efficient models, with installation or repair completed quickly and professionally.

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Energy efficient hot water on demand with long-term reliability.

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Heating and cooling in one energy-efficient appliance. We repair and install trusted brands.

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Make those hot summers bearable with a central air conditioning system in your home.

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Contact NW Performance Heating and Cooling for ductless mini-split service

Don’t wait for a minor issue to turn into a bigger problem. Whether you need a quick repair or a full maintenance check, NW Performance Heating & Cooling is ready to help keep your ductless mini-split running smoothly.

Call 503-256-2245 or fill out our online contact form to schedule your appointment. Our knowledgeable team is ready to keep your home comfortable and your system running smoothly all year long.