Heat Pump Repair
Bay Area's #1 Choice

Stops holding temperature, blows cold air on the heat cycle, won’t turn on – that’s heat pump repair territory, and it’s what United HVAC, Plumbing & Electrical handles across San Jose, Cupertino, Los Gatos, Los Altos, Sunnyvale and the greater South Bay. Same-day dispatch when the system fails, every make and model.

What Does Professional Heat Pump Repair Cover and When Do You Need It?

Heat pump repairs cover everything from a system blowing the wrong temperature to one that won’t start at all – refrigerant issues, failed electrical components, and mechanical wear all show up as different symptoms. Most calls come in during the first real cold snap or hot stretch of the season, when a marginal system finally gets pushed past what it can handle.

Most Common Heat Pump Problems We Diagnose and Fix

80% of all Heat pump problems are electrical. Fuses, capacitors, transformers and switches are to be checked first. A failed reversing could be an explanation when a heat pump blows cold air instead of heat – the valve gets stuck in cooling mode and won’t switch the refrigerant flow back. Capacitors tend to fail during summer heat spikes, when the compressor draws harder to start and an aging capacitor can’t deliver the jolt it needs. A refrigerant leak often shows up first as ice building up on the evaporator coil, and a defrost board failure leaves that same ice in place on cold Bay Area mornings because the system never triggers its defrost cycle. Compressor hard-start issues are common in systems already past ten or twelve years old.

When Repair Makes Sense vs. When to Replace Your Heat Pump

A system under ten years old with one failed component – a capacitor, a defrost board, a reversing valve – is usually worth repairing outright. Once a compressor is failing on a system that’s already stacked up two or three other repairs, or the unit is pushing fifteen years, the math shifts toward replacement instead of sinking more into parts. We’ll tell you which side of that line your system falls on before recommending either option.

Heat Pump Repair: How the Process Works

Every repair heat pump call starts with a diagnostic pass before any part gets replaced – refrigerant pressure, electrical readings, and the defrost cycle all get checked in sequence. Most single-component repairs finish in one visit; a refrigerant leak or a backordered part can push it to a second trip.

Diagnostic Assessment: What the Technician Checks First

First we check electrical parts, a digital multimeter  tests the capacitor, contactor, and reversing valve solenoid for electrical faults. Then the manifold gauges go on, high side and low side both, checking whether refrigerant pressure is where it should be or whether a leak’s dragging the charge down. Ice on the coil, or a system that won’t heat up on a cold morning? That’s when the technician sits and watches a full defrost cycle, timing whether the board actually triggers it or not.

Repair or Part Replacement: What Happens Next

Once the failed component is identified, the technician quotes the part and labor before touching anything else. Most failures – a capacitor,  transformer, switch – get swapped same-visit from stock on the truck. A refrigerant leak takes longer: the leak has to be located and sealed before the system gets recharged and tested under running conditions. The biggest repairs are compressors, fan motors, blower motors they also need a second visit and most probably a part to be ordered. 

Heat Pump Repair Cost in the Bay Area

Heat pump repair service cost $69. Repiar could range from 300$ to $3,500 or more for a compressor replacement, depending on which component failed. A written estimate follows the diagnostic.

Factors That Affect the Final Price

A capacitor swap runs $300 to $500, as it might go with contactor while a reversing valve repair typically falls between $600 and $1,800 given the labor involved in accessing and testing it. Rrefrigerant leak repair with recharge runs $800 to $1,500 depending on leak location and refrigerant type. Compressor replacement is the most expensive single repair, generally $1,800 to $3,500 or more, and it’s the point where we walk through whether replacement makes more sense than the repair itself.

How Regular Maintenance Reduces Emergency Repair Costs

A capacitor nearing failure or a refrigerant charge running low almost always shows up on a routine inspection before it causes a breakdown. Catching a weak capacitor during a spring checkup costs a fraction of an emergency after-hours call when it fails outright in July. Homeowners on a maintenance schedule tend to see fewer surprise compressor failures, since the components that typically trigger them get flagged and addressed early.

Why Bay Area Homeowners Choose United HVAC, Plumbing & Electrical for Heat Pump Repair

A licensed technician, a documented diagnostic, and a guarantee that survives after the truck leaves – that’s what separates a one-off fix from a ‘heat pump repairs near me’ call you don’t have to make twice. Here’s what backs that up.

Licensed, Insured, and Local

United HVAC, Plumbing & Electrical holds California license #1061226 and carries bonded and insured coverage up to $2M. If a technician damages something while accessing a unit or reversing valve, that’s covered without you filing a personal claim – and every repair gets documented in case a part fails again under warranty.

25+ Years Repairing Heat Pumps Across the Bay Area

Our supervisors and technicians bring 25+ years of hands-on HVAC experience, and the company has been on emergency calls across San Jose, Santa Clara, and Los Gatos, Menlo Park, Palo Alto and other cities since 2019. That range means a technician showing up at a 1970s system with an obsolete reversing valve, or a five-year-old unit under manufacturer warranty, has usually seen the same setup before.

Same-Day Emergency Service With Upfront Pricing

Calls placed before end of day typically get same-day dispatch in a low season, with average response under 60 minutes once a technician is en route. In high season technicians could be booked 2 days in advance, but you can use our Home protection program with a priority visit within 24 hours. Every repair comes with a written estimate before work starts and a 100% satisfaction guarantee – if the same issue comes back, we return and fix it at no charge.

Heat pump blowing the wrong temperature or freezing up? Call United HVAC, Plumbing & Electrical at (408) 539-6936 – same-day diagnosis, all makes and models.