
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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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.
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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 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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He pointed out some conditions that function best with regular inspection and recommended their maintenance program.- Missy A.
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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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I have to say, Onestop is top-notch, and Adam was great to work with, did not give us the run-around of what we didn’t need, as most companies seem to do. Adam was upfront and honest. Fantastic prices, exceptional customer service!- Sarah H.
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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.
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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.