Through-the-wall HVAC

Tosot Through-the-wall HVAC Through-the-Wall Systems

Schedule Service Check Availability

Tosot Through-the-wall HVAC Through-the-wall HVAC Repair, maintenance, and replacement planning

Technical Specifications

Product Specs

Brand: Tosot
Representative source product: TOSOT 15,000 BTU PTAC Air Conditioner
Equipment type: Through-wall packaged HVAC / PTAC-style system
Cooling capacity: 15,000 BTU
Coverage: up to 850 sq ft
Efficiency: EER and COP up to 13.0
Refrigerant: R-32
Voltage: 208/230V with 20A plug
Standard PTAC sleeve dimensions: 42 x 16 x 21.5 inches
Source: TOSOT Direct product catalog
Model or series: Through-the-Wall Systems
Product group: Through-the-wall HVAC
System role: HVAC equipment for service, maintenance, repair, or replacement planning
Application: Residential, light-commercial, or managed-property comfort applications
Compatibility check: Verify exact model, serial number, capacity, voltage, controls, and installation configuration.
Verified source: tosotdirect.com

Useful troubleshooting details

Confirm the exact Through-the-Wall Systems model number, serial number, capacity, voltage, refrigerant or fuel type, controls, and matched equipment.
Share current symptoms, alerts or error codes, recent maintenance, access notes, and whether the issue is urgent or planned.
For replacement planning, note comfort goals, existing equipment age, and any heat-pump, electrification, or rebate-related questions.

Service planning

How GreenFlow handles Through-the-Wall 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

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

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.

Terry S.

Excellent service from best tech!

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