Expert Mini-Split Installation & Replacement


Mini-Split Installation in Everett and the Seattle Area

Ductless mini split system offers an efficient and flexible way to heat and cool your home without the need for ductwork. Whether you’re looking for ductless mini-split installation, need to upgrade an old mini-split AC system, or want a mini-split AC with heater, Better Air NW provides expert installation and replacement services.


What is a Mini Split System?

A mini split system is a versatile and efficient solution for both heating and cooling your home. Unlike traditional HVAC systems, mini splits operate without the need for extensive ductwork. Instead, they use a single outdoor unit connected to multiple indoor units via refrigerant lines. This setup allows for flexible installation in homes with limited space or unique architectural designs. Mini splits are renowned for their energy efficiency, quiet operation, and the ability to provide both heating and cooling functions, making them an ideal choice for year-round comfort.

Mini-Split Installation Customer Review & Testimonial

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"Better Air NW’s mini-split installation in Everett was flawless. They set up a quiet unit for my office in 5 hours—cools perfectly. Affordable and tidy work." – Jen D.


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Read More Reviews »

Benefits of Mini Splits

Mini splits offer numerous advantages over conventional HVAC systems, making them a popular choice for modern homes:


  • Energy Efficiency: Designed to provide efficient heating and cooling, mini splits can significantly reduce your electric bill by consuming less energy.



  • Flexibility: With the ability to be installed in multiple rooms, mini splits allow for individual temperature control and zoning, ensuring each area of your home is comfortable.


  • Quiet Operation: Mini splits are engineered to operate quietly, making them perfect for environments where noise is a concern.


  • Space-Saving Design: The absence of ductwork makes mini splits ideal for homes with limited space, as they can be installed in various locations without major renovations.


  • Low Maintenance: Mini splits have fewer moving parts and no ductwork to clean, resulting in minimal maintenance requirements and long-term reliability.


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Why Opt for Ductless Mini-Split Installation?

Installing a ductless mini-split air conditioner or mini-split heat pump provides several key benefits:


Energy-Efficient Cooling & Heating – Ductless heating and cooling systems use less energy than traditional HVAC setups, lowering utility bills. They efficiently produce cool air, making them ideal for maintaining comfortable temperatures in various settings.


No Ductwork Required – Perfect for older homes, additions, or spaces where extending ductwork isn’t practical.


Zoned Temperature Control – A mini-split AC system allows for personalized climate control in each room.


Compact & Space-Saving – A ductless AC unit is ideal for small spaces, providing maximum comfort with minimal intrusion.



Quiet Operation – Mini-split air conditioners run quieter than traditional units, ensuring a peaceful home environment.

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DIY Installation vs. Hiring a Professional

While the idea of a DIY installation for a mini split system might seem appealing, it is generally advisable to hire a licensed HVAC professional. Installing a mini split system involves specialized knowledge and skills, including electrical work, refrigerant handling, and precise system configuration. A professionally installed mini split system ensures optimal performance, efficiency, and safety. Additionally, a licensed HVAC professional can provide expert guidance on the best system design and installation tailored to your specific needs and budget, ensuring you get the most out of your investment.

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The Ductless Installation Process

At Better Air NW, our professional mini-split installation process ensures your new system operates at peak efficiency.


🔹 Home Evaluation – We assess your space to determine the best placement for your ductless AC system.


🔹 Ductless Mini-Split Setup – Our technicians install the split AC unit, ensuring proper refrigerant levels and secure connections, including the positioning of the condenser unit and its connection to the indoor units.


🔹 Electrical & Mounting Installation – We professionally install the indoor and outdoor units, optimizing airflow and energy efficiency. This includes installing the line set and ensuring proper connections.


🔹 System Testing & Calibration – We verify that your mini-split AC and heat system is running correctly before completing the job, including performing a pressure test to check for leaks.

Ductless Mini-Split Installation Customer Review & Testimonial

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"My mini-split installation by Better Air NW rocked! Installed a sleek system for my bedroom in 6 hours—chilly air in no time. Great price, awesome team." – Dale N.


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Outdoor Unit Installation and Placement

The outdoor unit of a mini split system is a crucial component that requires careful installation and placement to ensure optimal performance:


  • Location: Choose a location that offers good airflow and protection from the elements. Avoid areas prone to debris accumulation or extreme weather exposure.



  • Mounting: The outdoor unit should be mounted on a level surface, such as a concrete pad or a wall bracket, to ensure stability and proper operation.


  • Clearance: Ensure there is sufficient clearance around the outdoor unit from surrounding structures and vegetation. This allows for proper airflow and easy maintenance access.


  • Electrical Connections: The outdoor unit must be connected to a dedicated electrical circuit. Ensure all connections are secure and weather-tight to prevent any electrical issues.


By following these guidelines, you can ensure that your mini split system operates efficiently and reliably, providing you with comfortable indoor temperatures year-round.

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Local Installation Services

Finding reliable ductless mini-split installation near me ensures your system is installed by professionals who understand regional climate needs.


Best Mini-Split Installation in Seattle area – We specialize in Mitsubishi mini-split, Mitsubishi ductless heat pump, the top brand in the business.


Fast & Reliable Service – Our experienced team delivers timely, efficient installations.


Custom Mini-Split HVAC Solutions – Whether you need a split-unit air conditioner or a ductless AC unit, we customize solutions for your space.



Local Experts – Our certified technicians handle mini-split HVAC installations with precision and care. For optimal installation, it's important to hire a licensed HVAC person.

Mini Split Installation Customer Review & Testimonial

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"Better Air NW handled my mini-split installation in Everett like pros. Added a unit to my garage in 4 hours—runs smooth and efficient. Solid value, no hassle." – Star J.


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Read More Reviews »

Ductless Mini-Split Replacement

If your existing mini-split AC is outdated or underperforming, it may be time for a ductless mini-split replacement.



Replacing Ductless Mini-Split Systems – Older split AC systems lose efficiency over time. Upgrading ensures better performance and lower energy costs.


Signs You Need a New Mini-Split AC System
   ✔ Frequent repairs and high maintenance costs

   ✔ Reduced heating or cooling capacity

   ✔ Higher-than-normal energy bills


Upgrade to a Mitsubishi Split System – Consider a Mitsubishi mini-split for top-tier efficiency and reliability.


Mini-Split Install Options for Everett and Seattle Metro Homes

A mini split install brings efficient air to your Everett house, whether cooling one room or the garage. The condenser unit, or outdoor condenser, pairs with the inside unit via a line set—often pre-charged line sets with refrigerant—to power the unit. At Better Air NW, our HVAC guy uses specialized training to mount it right, no rocket science needed.



The line length affects power, so we drill holes and pull the line through the wall or to the other side of your shop. A vacuum pump and micron gauge ensure a tight vacuum, sealed with a flare nut on pre charged lines. Insulation protects the equipment, and a surge suppressor guards the compressor. Most units run smoothly post-install, delivering comfort to any floor.


A month ago, a DIYer in Everett had no idea how to connect their outdoor condenser—we guided the job to complete it. The cost is lower than a full system, and a quick test confirms it’s working. Whether you DIY or hire us to pull off the mini split install, your room stays cool—call us to make it happen!

FAQ: Ductless Mini-Split Installation Tips

There are a lot of cut-rate mini-split systems on the market today. As enticing as they might seem the long-term hassles are definitely not worth it. While you're considering your option take a look at some of these frequently asked questions.

  • How does a ductless mini-split work?

    ✅ A split AC system consists of an indoor air handler and an outside unit, which includes the outdoor condenser, connected by refrigerant lines. It provides efficient heating and cooling without ducts.



  • What is the best brand for a mini-split air conditioner?

    ✅ We install top brands like Mitsubishi mini-split, known for energy efficiency and reliability.



  • How long does mini-split HVAC installation take?

    ✅ Most installations take one day, depending on the system size and number of indoor units.

  • Can a ductless AC cool multiple rooms?

    ✅ Yes! Multi-zone ductless heating and cooling systems allow customized temperature control in different areas.

  • Is a mini-split heat pump worth it?

    ✅ Absolutely! A Mitsubishi ductless heat pump provides efficient heating and cooling, reducing energy costs year-round.

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