Green Flow Solution logo
Schedule Service

Fan coil

Back to Tempstar products

Tempstar Fan coil FMU5X Performance Ceiling Uncased Fan Coil

Schedule Service Check Availability
Tempstar Residential HVAC Fan coil Repair, maintenance, and replacement planning
Tempstar FMU5X Performance Ceiling Uncased Fan Coil product image

Technical Specifications

Product Specs

  • Brand: Tempstar
  • Official model: FMU5X
  • Official product name: Performance Ceiling Uncased Fan Coil
  • Equipment type: Fan coil
  • Product group: Residential HVAC
  • Fan Speed: 3-Speed Fan
  • 10-year parts limited warranty*:
  • Thermostatic Expansion Valve (TXV) (when cased)
  • Designed for ceiling installation
  • Compatible thermostat: two-stage heat/one-stage cool
  • Lower global warming potential R-454B refrigerant
  • Capacity: 1.5–3 tons
  • Model or series: FMU5X Performance Ceiling Uncased Fan Coil
  • System role: Indoor evaporator coil for a matched split HVAC system
  • Application: Residential, light-commercial, or managed-property comfort applications
  • Compatibility check: Match with compatible outdoor equipment, controls, airflow, voltage, and capacity before service or replacement.
  • Verified source: tempstar.com

Useful troubleshooting details

  • Confirm the exact FMU5X Fan coil 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 FMU5X Performance Ceiling Uncased Fan Coil requests

1

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.

2

Describe the service issue

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

3

Review access and history

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

4

Plan the next step

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

Brands We Service

Popular cities

Service Areas

Our Happy Customers

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

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.

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.

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

View All