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Mini Split Bellevue WA

Mini Splits in Bellevue, WA

If you’re looking for a mini-split in Bellevue, WA, we have the answer. If you have a small space, or you’ve added a room on to your home and you don’t want the added expense of running new ducts, a mini-split is an excellent choice for cooling the room.

A mini-split AC can be an exceptional option for keeping a room cool, but some units also provide heat, making them a versatile addition. They work well in garages and bonus rooms where it can be difficult running ducts and setup is typically quick and easy.

Choosing a Mini-Split

HVAC systems cool your whole home to a specified temperature. Mini-split AC systems make it possible to set each room to a different temperature. If you have one room you want to be cooler than the whole house, you won’t run up your electricity bill trying to cool the entire house to that temperature.

Most HVAC systems are designed to handle a specific load. If you add a room to your home, your current HVAC system may be undersized to handle the additional space. Adding a mini-split may be the solution to prevent maxing out your current unit. Window units are also often used in room additions, but these systems require an open window, which can be less secure and allow intruders easier access into the home. A ductless air conditioner is cost affordable and may pay for itself over time.

Some of the main advantages of a mini-split system include:

  • Doesn’t require installation of ducts
  • Can be more efficient than HVAC systems
  • Provide comfort year-round
  • Energy-efficient
  • Can be installed in smaller spaces
  • Scalable
  • Offer directional airflow

Mini-split Installation and Repairs in Bellevue

Mini-split AC systems must be installed on an exterior wall, so it has a place for condensate drainage. Typically, it’s best to install the unit on the north side of the home, where it gets the most shade. Once installed, it’s best to seek regular maintenance to keep the system running efficiently and to prevent breakdowns in the middle of winter or summer.

At Brennan Heating & Air Conditioning, we offer installation, maintenance and repair of all mini-split systems in Bellevue and the surrounding areas. In addition, we also offer heating services and cooling services and can help assist with indoor air quality, including the installation of dehumidifiers, humidifiers and air purifiers.

Contact us to schedule an appointment for an estimate or to find out more about the services we provide.

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    “We had a duct & dryer vent cleaning done yesterday, and this company and its staff were phenomenal! The techs that came to our house were very kind & professional, with great information about the job they performed in preparation for an installati”
    - Rodney S.
    Two Thumbs Up!
    “Bryan and Michael arrived early as I requested and worked hard to clean the furnace vents, returns and ductwork including the dryer vent. Our daughter had recently used Brennan and recommended the company. I am very happy with the results. I felt the price”
    - Janie H.
    Brennan Means Quality
    “Detail-oriented and their technicians spend time teaching you the system. I also can’t believe they also came back the next day to caulk a tiny hole they made. You get quality with Brennan.”
    - Marcin N.
    Polite & Helpful
    “Great service, Dakota was very polite and helped us understand what was being done. We've used Brennan Heating and Air Conditioning for many years and have always had great service!”
    - Dianne B.
    Outstanding Start to Finish
    “Brennan Heating & Air Conditioning provides excellent service and great quality work. Our tech, Andrew, came out today to do our annual service. He was very professional, kind, knowledgeable, thorough, and took the time to educate me and answer all my ”
    - Lydia B.
    5 Stars
    “The install team was great. They were all experienced and really enjoyed their jobs, and it showed. I love our new Carrier 38MURA hvac system already, and it's not even hot out yet.”
    - Melissa R.
    Thank you Josh & Brennan. Job well done!
    “Kudos to Josh, he was fantastic! Appt for yearly furnace maintenance check before it gets cold. Josh arrived on time and got right to work. He did a thorough check & found no problems.”
    - Ernest D.
    Great service!
    “The technician arrived first thing in the morning. Dakota was friendly, knowledgeable, and repaired our air conditioning system within an hour. He explained in detail what the problem was and answered our questions well.”
    - Barbel G.
    • Smarter, Safer, & More Efficient
      From high-efficiency HVAC installs to LED lighting upgrades and surge protection, we’re here to improve the way your home feels—and functions—year-round.
    • Award-Winning Care
      Multi-year Angie’s List Super Service Award winner with an A+ BBB rating, Brennan is Seattle’s trusted partner for top-tier heating, cooling, and electrical services.
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      From certified energy consultants to licensed electricians, our team brings you forward-thinking solutions backed by time-tested values of honesty, reliability, and expert care.
    • Trusted Since 1987
      With decades of experience and thousands of satisfied customers, Brennan delivers worry-free heating, cooling, and electrical solutions with service you can count on.
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