Carrier Heat Pumps
Carrier heat pumps deliver year-round comfort with industry-leading efficiency, reliability, and intelligent controls for residential and light commercial applications.
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Popular Models
Technical Specifications
Capacity & Efficiency
Airflow & Pressure
Dimensions
Power Requirements
Common Issues & Solutions
Reversing valve failure
Symptoms:
Unit stuck in one mode (heating or cooling), incomplete reversal, refrigerant bypass, unusual hissing
Solution:
Check solenoid voltage and operation, verify proper refrigerant pressures, perform recovery and replacement of valve if mechanical failure is confirmed, check control board outputs and wiring.
Defrost control problems
Symptoms:
Excessive frost buildup, incomplete defrost cycles, frequent defrosting, reduced heating capacity
Solution:
Check defrost sensor/thermostat placement and operation, verify defrost board functionality, inspect outdoor coil for airflow restrictions, check reversing valve operation during defrost, replace defrost control if faulty.
Metering device issues
Symptoms:
Poor cooling/heating performance, abnormal superheat/subcooling, freezing indoor coil, compressor overheating
Solution:
Check for restrictions or debris, verify proper operation of TXV/EEV, ensure proper superheat settings, check sensor/bulb attachment, replace expansion device if internal failure is detected.
Cost Information
| Service | Average Cost | Cost Factors |
|---|---|---|
| Annual maintenance | $150-$300 | Service scope, maintenance agreement, accessibility, system complexity |
| Compressor replacement | $1,800-$3,500 | Compressor type (single/two-stage/variable), warranty status, refrigerant type, system age |
| Complete heat pump replacement | $5,000-$12,000 | Unit size, efficiency level, installation complexity, indoor unit compatibility, ductwork modifications |
| Control board replacement | $500-$1,000 | Board type, programming requirements, diagnostic complexity, parts availability |
Frequently Asked Questions
What makes Carrier Infinity heat pumps more efficient than standard models?
Carrier Infinity heat pumps achieve up to 24 SEER2 and 11 HSPF2 efficiency through variable-speed compressor technology that adjusts capacity from 25-100%, Greenspeed intelligence that optimizes performance based on conditions, multi-stage fans, advanced coil designs, and smart system coordination with communicating controls.
How do Carrier heat pumps perform in cold climates?
Carrier's cold climate heat pumps maintain effective heating down to 0°F (-18°C) using enhanced vapor injection technology, optimized defrost cycles, base pan heaters to prevent ice buildup, and intelligent controls that balance efficiency and performance. Some models can operate in heating mode at temperatures as low as -15°F (-26°C).
What noise reduction features do Carrier heat pumps include?
Carrier heat pumps incorporate compressor sound blankets, vibration isolators, swept-wing fan blade designs, variable-speed motors, composite base pans that dampen sound, multi-speed operation for quieter low-stage running, and specially designed cabinet insulation. Infinity models operate as low as 51 dBA.
How does Carrier's Greenspeed Intelligence optimize heat pump performance?
Greenspeed Intelligence combines a variable-speed compressor, variable-speed blower, and Infinity control system to precisely match capacity to demand. The system adjusts in 1% increments for optimal comfort and efficiency, learns household patterns, monitors refrigerant and airflow parameters, and adapts to changing conditions automatically.
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