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ONESTOP ONESTOP
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Your ONE STOP for Total Comfort Trusted HVAC & Electrical Experts Who Get the
Job Done Right the First Time.

Serving Bellevue, Mountlake Terrace & the Surrounding Areas Since 2022

Areas We Serve

ONESTOP is proud to serve the homes and businesses throughout Snohomish County and the surrounding areas.

  • Arlington
  • Bellevue
  • Bothell
  • Cottage Lake
  • Edmonds
  • Everett
  • Issaquah
  • Kenmore
  • King County
  • Kirkland
  • Lake Stevens
  • Lynnwood
  • Marysville
  • Mercer Island
  • Mill Creek
  • Monroe
  • Mountlake Terrace
  • Mukilteo
  • North Lynnwood
  • Redmond
  • Renton
  • Sammamish
  • Shoreline
  • Silver Firs
  • Snohomish County
  • Union Hill-Novelty Hill

HVAC and Electrical Company in Bellevue

Serving Customers in Redmond and Mountlake Terrace with Expert Care

That’s why ONESTOP is here—to make those problems easier to solve. We’re a local HVAC and electrical company serving Bellevue and surrounding areas with licensed expertise, dependable service, and a straightforward approach. Whether you're installing a new heat pump or rewiring part of your home, we bring technical know-how and real accountability to every job.

We handle everything in-house—from the first estimate to the final check—so you’re never left chasing subcontractors or sitting around waiting. Our team is trained on trusted equipment lines like Mitsubishi Electric and American Standard, and we back our work with strong warranties and honest communication. Serving Bellevue, Redmond, Mountlake Terrace, and nearby communities, we’ve built our name on reliable results and respectful service.

Call (206) 456-7300 or contact us online to request a free estimate. Let us show you why we're the go-to HVAC and electrical team in Bellevue and beyond.

Our Featured Services

From repairs to installs, we handle it all with quality, care, and no shortcuts.

Quality Work from People Who Care

At ONESTOP, we treat every job like it’s happening in our own home. We don’t take shortcuts or upsell you on things you don’t need. Our technicians are licensed, insured, and committed to doing the job right—whether we’re troubleshooting a tripped breaker or replacing a worn-out furnace. We make recommendations based on what works, not what’s convenient.

Customers stick with us because they know what to expect: clear timelines, upfront pricing, and no loose ends. We also offer financing options for larger projects, and our membership plans give you added peace of mind with extended parts warranties—5 years on installed parts and up to 10 years on new system installs. Weekend scheduling and same-day availability are part of what makes us easy to work with. When you need real help, we make it happen.

Ready for an estimate? Call our office at (206) 456-7300 or fill out a contact form to speak with someone on our team today!

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Built on Trust. Powered by Expertise.

  • Fast, Reliable Service 24/7
    From emergencies to routine calls, our team is always ready, day or night, to restore your comfort quickly.
  • Financing & Membership Plans
    We offer flexible financing and value-packed memberships to keep your home running smoothly all year.
  • Licensed, Bonded & Insured
    Your home is in safe hands with fully certified technicians and reliable, code-compliant service.
  • Locally Owned & Operated
    Serving Snohomish and King County with trusted, community-focused HVAC and electrical expertise.

Your One-Stop Shop for HVAC and Electrical Services

Instead of juggling two or three contractors, you can count on one team to handle it all. ONESTOP is your one-stop shop for heating, cooling, and electrical service across Bellevue and beyond. We install high-efficiency mini-splits, troubleshoot AC breakdowns, upgrade panels, and handle everything in between. No bouncing between departments, no confusion—just one team with the skill to get it done.

From new installs to last-minute repairs, we keep homes safe, comfortable, and powered up all year long. Our goal is simple: do the job right and leave you with systems you don’t have to second-guess. 

Complete our online form or call (206) 456-7300 to request same-day service from a reliable HVAC and Electrical company in Bellevue—we're here when you need us.

    "I will definitely be using their services again in the future."
    I recently hired Onestop to install a new AC unit in my rental property in Mountlake Terrace, and I couldn't be more pleased with the service I received. From start to finish, the team impressed me with their professionalism, expertise, and attention to de
    - Danielle B.
    "We had such a great experience!"
    The team at OneStop really cares about their work and doing a great job for their clients. Highly recommend!
    - Lauriana L.
    "This team is my go-to for any HVAC work!"
    Adam and Gram did an amazing job with our HVAC setup. They were professional, efficient, and knew their stuff. The new system was installed quickly, and they made sure we understood everything before they left. Great experience from start to finish.
    - Michael B.
    "I couldn't be happier with the experience!"
    The techs arrived on time, were courteous and respectful of my home, and quickly diagnosed and fixed the issue with my HVAC system. They took the time to explain the problem to me in a way that I could understand and offered solutions to prevent issues.
    - Travis R.
    "The job was extremely well done!"
    Adam and Gram came in today to install a new furnace. The job was extremely well done and completed in half a day. I couldn't be happier with their service and the quality of materials they used.
    - Chris M.
    "Everything worked out really well!"
    I used them for maintenance on my furnace and AC. They explained things well, were polite & professional. It was scheduled quickly and the price was good.
    - Jon E.
    "Fantastic services!"
    Absolutely amazing service from OneStop! They quickly diagnosed and fixed my heating issue, restoring the heat to my home in no time. Professional, efficient, and courteous throughout the process. Highly recommend!
    - Ryan J.
    "Completely satisfied with his knowledge and customer service!"
    He pointed out some conditions that function best with regular inspection and recommended their maintenance program.
    - Missy A.

One Stop is all it Takes!

Contact us today!

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