Mitsubishi
Mitsubishi
Comfort in Every Climate, Mitsubishi Makes It Possible.
Mitsubishi HVAC systems offer cutting-edge solutions for your heating, cooling, and electric needs. With a focus on energy efficiency, Mitsubishi products ensure optimal comfort and savings. Their innovative HVAC solutions, designed for both residential and commercial spaces, embody reliability and performance, making Mitsubishi a trusted choice for all.
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City Multi® Modular Systems for Every BuildingChoose from air- and water-source heat pumps or simultaneous heat/cool systems, featuring a variety of indoor units. Along with ventilation solutions, multiple control options round out a complete system to meet your building’s needs. Models available from 6 tons to 36 tons. -
M-Series Personalized Comfort for Any HomeMini- and multi-split systems are perfect for room remodels or whole-home projects. Models are available from 9,000 to 60,000 BTU/H.
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Controls Put Comfort in Your HandsOur advanced controls, smart home integrations and innovative technologies make Mitsubishi Electric the clear choice for upgrading your residential project’s HVAC.
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Smart Multi Long-Term PerformanceMulti-zone VRF systems perfect for light commercial or residential applications. Models available from 3 tons to 5 tons.
Built on Trust. Powered by Expertise.
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Fast, Reliable Service 24/7From emergencies to routine calls, our team is always ready, day or night, to restore your comfort quickly.
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Financing & Membership PlansWe offer flexible financing and value-packed memberships to keep your home running smoothly all year.
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Licensed, Bonded & InsuredYour home is in safe hands with fully certified technicians and reliable, code-compliant service.
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Locally Owned & OperatedServing Snohomish and King County with trusted, community-focused HVAC and electrical expertise.
Hear From Our Happy Customers
At ONESTOP, your satisfaction is our priority! See for yourself what our customers have to say about working with us.
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"Very professional and very knowledgeable!"I have to say thank you to Adam for coming out and getting us all fixed up and running again. He is very professional and very knowledgeable, and got the job done quickly. I will definitely be using him from here on out. Great guy for sure!!- Tony N.
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"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.
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"They have earned my trust and loyalty!"I was impressed by their professionalism, politeness, and knowledge to my inquiries, with efficiency they evaluated any issues in detail and problem-solved with skill, which assures me the job would be done right the first time.- Barbara L.
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"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.
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"They went the extra mile - no customer could ask for more!"
My new HVAC system works perfectly, and their teamwork was a pleasure to behold, even in hot July weather. The best communication and customer service anyone could hope for. They all really are five stars!
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"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.
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"I can't say enough good things about the technician that came and performed the work!"OneStop is a top-notch company! They installed our new heat pump in no time, and we couldn't have been more pleased with the quality and professionalism. Very polite, professional, and proficient!- Amanda O.
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"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.