Fix What is Not Working Before It Gets Worse

Heat pump repair services for homes in Bar Harbor and surrounding Hancock County communities.

When your heat pump stops heating properly in the middle of a Bar Harbor winter, the problem is rarely obvious from the outside. You might hear unusual noise from the outdoor unit, notice weak airflow from the indoor head, or find that the system runs constantly without raising the temperature in your home. Some issues are caused by refrigerant leaks, electrical faults, or failed defrost cycles, while others are linked to dirty coils, frozen condensate lines, or malfunctioning sensors that prevent the system from operating correctly.

Brian's Electric & Heat Pumps diagnoses and repairs heating and cooling performance issues, airflow problems, noise and vibration concerns, and defrost cycle failures. The team troubleshoots electrical components and system controls to identify the root cause rather than replacing parts without confirmation. If your system is not heating during cold weather, the repair may involve testing the reversing valve, checking refrigerant charge, or resetting control board settings that have drifted out of range. Licensed professionals handle all electrical work, and you receive honest recommendations on whether repair or replacement makes more sense based on the age and condition of your system.

Get in touch with Brian's Electric & Heat Pumps in Bar Harbor and throughout Hancock County to schedule a diagnostic visit for your heat pump.

How the Diagnostic and Repair Process Works

The repair visit begins with a description of what changed or stopped working, followed by testing of both indoor and outdoor components in Bar Harbor and throughout Hancock County. The technician checks refrigerant pressures, measures electrical voltage at the compressor and fan motors, and monitors system behavior through a full heating cycle. Sensors, thermistors, and control board outputs are tested to confirm they are sending and receiving correct signals.

Once the issue is identified, you will be told what failed, why it happened, and what needs to be replaced or adjusted. If a capacitor has blown, the outdoor fan will not spin. If the defrost sensor has failed, ice will build up on the outdoor coil and block airflow. If refrigerant is leaking, the system will run but produce little to no heat. The repair may involve replacing a single component, recharging refrigerant after sealing a leak, or resetting control board parameters that were disrupted by a power surge.

Some repairs can be completed during the same visit, while others require ordering parts that are not stocked locally. If the compressor has failed or the system is more than ten years old with multiple failing components, replacement may be more cost-effective than a major repair. The technician will walk you through both options with pricing so you can make an informed decision. This service does not include routine cleaning or maintenance unless it is part of diagnosing the issue.

What Homeowners Usually Want to Know

Before scheduling a repair, most people want to understand what might be wrong, how long it will take to fix, and whether the system is worth repairing at all.

What causes a heat pump to stop heating during winter?
Common causes include refrigerant leaks, failed defrost cycles, blown capacitors, and faulty reversing valves. Electrical issues such as tripped breakers or loose connections can also prevent the system from running properly.
How long does a typical repair take?
Simple repairs like replacing a capacitor or resetting a control board take less than an hour. Refrigerant leaks, compressor replacements, or control board swaps may require several hours or a follow-up visit if parts need to be ordered.
Should I repair or replace an older heat pump?
If your system is over ten years old and requires a major repair such as a compressor or coil replacement, replacement is often more cost-effective. Your technician will provide repair and replacement costs so you can compare options.
Why is my heat pump making loud noise or vibrating?
Noise and vibration are often caused by loose mounting brackets, failing fan motors, or debris stuck in the blower wheel. A worn compressor can also produce grinding or rattling sounds as internal components fail.
Will a repair visit include a system tune-up or cleaning?
A repair visit focuses on diagnosing and fixing the immediate issue. Cleaning and maintenance are separate services unless buildup is directly contributing to the problem, such as a clogged coil reducing airflow.

If your heat pump is not performing the way it should in Bar Harbor and throughout Hancock County, Brian's Electric & Heat Pumps can run a full diagnostic and provide clear repair or replacement recommendations based on what the system actually needs.