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Geothermal heat pump

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Carrier Geothermal heat pump GBA Comfort™ Geothermal Heat Pump

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Carrier Geothermal HVAC Geothermal heat pump Repair, maintenance, and replacement planning
Carrier GBA Comfort™ Geothermal Heat Pump product image

Technical Specifications

Product Specs

  • Cooling performance: closed loop up to 24 EER, open loop up to 27 EER
  • Heating performance: closed loop up to 4.1 COP, open loop up to 4.7 COP
  • Compressor: two-stage on 2-5 ton units and single-stage on 1.5 ton units
  • Blower: multi-speed
  • Refrigerant: Puron Advance

Useful troubleshooting details

  • Confirm the geothermal unit model and serial number, loop type, water-side details, paired air or hydronic distribution, controls, voltage, and capacity.
  • Share no-heat, no-cooling, water-flow, loop, condensate, compressor, blower, control, or temperature-difference details.
  • For replacement planning, include loop history, service records, access details, and whether the request affects one zone or the whole system.

Service planning

How GreenFlow handles GBA Comfort™ Geothermal Heat Pump 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.

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Our Happy Customers

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.

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

Terry S.

Excellent service from best tech!

Jenny W.

Great service! On time, knowledgeable & professional

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