Your heat pump repair specialists in Chelmsford, MA. Free assessments, certified technicians, and guaranteed results.
When your heat pump in Chelmsford, MA fails to maintain setpoint or cycles erratically, KIC Refrigeration technicians trace the fault through the complete refrigerant and electrical circuit. We service single-stage, two-stage, and variable-speed heat pumps from Carrier, Trane, Lennox, Rheem, and Goodman, restoring reliable heating and cooling with same-day repair availability.
Chelmsford homeowners and businesses count on reliable heat pump repair to maintain comfort and protect indoor air quality. Serving a town of 37,667 across Massachusetts, KIC Refrigeration brings the experience and crew depth to handle heat pump repair projects of any scale. We begin every job with an honest evaluation and a clear, written estimate.
Our heat pump repair technicians in Chelmsford, MA are NATE-certified, EPA 608 licensed, and equipped with advanced diagnostic tools. From the initial inspection through final commissioning, we maintain open communication and hold ourselves to the highest standards. That is how KIC Refrigeration has earned the trust of homeowners across Massachusetts.
A clear, step-by-step approach to every heat pump repair project we take on.
We test your heat pump in both heating and cooling modes, checking the reversing valve operation, defrost cycle initiation, and auxiliary heat engagement to isolate which mode and component is failing.
At your Chelmsford property, our technician connects digital manifold gauges and measures suction pressure, discharge pressure, liquid line temperature, and suction line temperature. We calculate superheat and subcooling to determine if the charge is correct or if there is a restriction in the metering device or a refrigerant leak.
KIC Refrigeration repairs your Chelmsford, MA heat pump with precision. For sealed-system work, we recover refrigerant with a certified recovery machine, braze with nitrogen flowing to prevent scale, pressure test with dry nitrogen to 300 PSI, evacuate to below 500 microns, and weigh in the exact factory charge.
We run the heat pump through complete heating and cooling cycles, verify pressures match the manufacturer chart, confirm the defrost cycle activates correctly, and check the temperature differential across the coil meets specification.
Common questions about heat pump repair costs, timelines, and what to expect.
Heat pump repair in Chelmsford typically ranges from $150 to $600 for common component failures like run capacitors, contactors, defrost timers, and condenser fan motors. Reversing valve replacement is a more involved job that runs $800 to $2,000 including refrigerant recovery and recharge. Compressor replacement costs $1,500 to $3,000 depending on the unit tonnage, refrigerant type — whether R-410A or older R-22 — and whether a hard-start kit is needed. KIC Refrigeration provides a detailed written estimate with parts and labor itemized before any work begins at your Chelmsford property, so you know exactly what the repair will cost.
KIC Refrigeration repairs every major heat pump brand installed in Chelmsford homes and businesses — Carrier, Trane, Lennox, Rheem, Goodman, Daikin, York, Bryant, Amana, Mitsubishi, Fujitsu, and LG. Our NATE-certified technicians are trained on both conventional ducted split systems and ductless mini-split heat pumps across all tonnage ratings from 1.5 to 5 tons. We work with every common refrigerant including R-410A, R-22, R-32, and R-454B. Whether your system is a 30-year-old R-22 unit or a brand-new variable-speed inverter model, KIC Refrigeration has the diagnostic tools, replacement parts access, and technical knowledge to repair it correctly at your Chelmsford property.
Heat pump icing is caused by conditions that prevent the defrost cycle from working correctly. The most common culprits are low refrigerant charge from a slow leak, a dirty or blocked outdoor coil that restricts airflow, a failed defrost control board or timer that does not initiate the defrost sequence, a stuck defrost relay, or a malfunctioning outdoor fan motor. In normal operation, the defrost cycle activates every 30 to 90 minutes during cold weather, reversing the system briefly to melt accumulated frost. When any component in this chain fails, ice builds up until the unit shuts down on high-pressure safety. KIC Refrigeration tests the complete defrost circuit and refrigerant charge at your Chelmsford, MA home to identify and fix the root cause.
KIC Refrigeration provides a comprehensive workmanship warranty on all heat pump repairs performed in Chelmsford, MA. Replacement parts carry manufacturer warranties that range from 1 to 10 years depending on the component — compressors typically carry 5 to 10 year manufacturer warranties, while electrical components like capacitors and contactors carry 1 to 2 year warranties. If a part we install fails within the warranty period, we replace it at no charge for the part and provide the labor to install it. KIC Refrigeration handles all warranty documentation and claims on your behalf so you never have to chase paperwork. Ask your technician about specific warranty terms during your service appointment.
Real feedback from customers across the country about the quality of our work.
"KIC Refrigeration does our annual HVAC inspection every fall. They always find the small stuff before it becomes expensive. Peace of mind is worth it."
"KIC Refrigeration has serviced our commercial HVAC system for two years now. Always professional, always on time. Would not trust anyone else."
"Emergency HVAC repair at midnight with a newborn in the house. They treated it like the emergency it was and had our heat back on in under two hours."