
SMART MULTI LONG-TERM PERFORMANCE

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Single Phase Multi-Zone Heat Pump
Model: PUMY-P
Introducing the expansion of the S-Series (PUMY) outdoor unit lineup to include Hyper-Heating INVERTER® (H2i®) technology.Part of the CITY MULTI® family, the H2i® PUMY is a single-phase heat pump ideal for light commercial applications including banks, churches, schools, server rooms, retail centers and more.
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Single Phase Multi-Zone Hyper-Heating Heat Pump
Model: PUMY-HP
The PUMY-HP H2i® Heat Pump is a single-phase Hyper-Heating INVERTER® heat pump system ideal for light commercial or large residential cold-weather applications. H2i performance provides 100% heating capacities down to 5°F and continues heating well below zero degrees. It uses the CITY MULTI® Controls Network (CMCN) to cool or heat up to 12 individual zones with a choice of indoor unit styles. Seacoast protection coating is optional.
Capacities: 36,000 to 48,000 BTU/H
Sound: as low as 49 dB(A)

Built on Trust. Powered by Expertise.
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From emergencies to routine calls, our team is always ready, day or night, to restore your comfort quickly.
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We offer flexible financing and value-packed memberships to keep your home running smoothly all year.
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Your home is in safe hands with fully certified technicians and reliable, code-compliant service.
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Serving 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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Adam and his installers arrived the next morning, on time! The crew did a great job and were done sooner than I'd expected. They not only installed my new Trane furnace, but they also made the whole area look better and cleaner.- Carrie S.
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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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The team at OneStop really cares about their work and doing a great job for their clients. Highly recommend!- Lauriana L.
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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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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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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.
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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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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.