Air Handlers
Air Handlers
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Preferred™ Air Handler 40MUAA284ANV
COOLING EFFICIENCY: Up to 22 SEER2
HEATING EFFICIENCY: Up to 10.5 HSPF2
COMPRESSOR TYPE: Variable-Speed -
Preferred™ Air Handler Ductless System
288BNV
COOLING EFFICIENCY: Up to 18.5 SEER2
HEATING EFFICIENCY: Up to 9 HSPF2
COMPRESSOR TYPE: Variable-Speed -
Preferred™ Air Handler Ductless System227TBN
COOLING EFFICIENCY: Up to 16 SEER2
HEATING EFFICIENCY: Up to 7.8 HSPF2
COMPRESSOR TYPE: Two-Stage
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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"12/10 recommend them for all of your HVAC needs!"They went above and beyond our expectations, and I not only look forward to working with them in the future, but I feel confident and safe knowing they genuinely have our best interests in mind when doing their job. You can tell they strive for excellence- Craig M.
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"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.
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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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"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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"Highly recommended, five stars!"It was amazing to watch OneStop Heating's team in action. Heat pumps are not small investments so it makes all the difference to know you've got a quality installation and the company will back its work with a sound maintenance program.- Ann M.
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"10 out of 10!"This company fixed a refrigerant leak that was left by a larger company in the area. They did it at a reasonable rate, they were friendly, knowledgeable, and perform the work in a timely manner. 10 out of 10 recommend.- Michael B.
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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.