Multi-zone heat pump

Tosot Multi-zone heat pump Multi-Zone Heat Pump Systems

Schedule Service Check Availability

Tosot Ductless and mini-split HVAC Multi-zone heat pump Repair, maintenance, and replacement planning

Technical Specifications

Product Specs

Brand: Tosot
Series: Outdoor Ultra Heat multi-zone
Equipment type: Multi-zone ductless heat pump
Capacity: 1.5 to 3.5 tons
Efficiency: up to 23 SEER / up to 10.5 HSPF
Compressor: swing inverter
Refrigerant: R-410A
Low ambient heating: down to -22F / -30C
Warranty: 10-year parts limited warranty
Source: Tosot America product catalog
Model or series: Multi-Zone Heat Pump Systems
Product group: Ductless and mini-split HVAC
System role: Ductless or mini-split system equipment
Application: Residential, light-commercial, or zone-control comfort applications
Compatibility check: Match with compatible indoor unit, coil or air handler, controls, refrigerant, voltage, and capacity.
Verified source: tosotamerica.com

Useful troubleshooting details

Confirm the outdoor heat pump model, serial number, matched indoor equipment, auxiliary heat setup, thermostat or communicating control, refrigerant, voltage, and capacity.
Share no-heat, no-cooling, outdoor icing, defrost behavior, short cycling, weak airflow, control alerts, or unusual noise.
For upgrade planning, note whether the project involves ducted, ductless, hybrid, cold-climate, or fossil-fuel-to-heat-pump options.

Service planning

How GreenFlow handles Multi-Zone Heat Pump Systems requests

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Our Happy Customers

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

Jenny W.

Great service! On time, knowledgeable & professional

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

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