Heat Pump in Tulsa and Broken Arrow, OK

Troubleshooting Your Heat Pump Across Tulsa Metro

Is your heat pump blowing lukewarm air, sounding like a grinding freight train outside, or driving your electric bill through the roof by constantly running in auxiliary mode? These are undeniable mechanical failures that will only cause more damage to your compressor the longer you let them cycle. At Tellez Heating and Air, our technicians are ready to diagnose the root cause and restore your comfort.

Heat Pump Repair

Because these systems handle both your summer cooling and winter heating, they do not get an off-season to rest, meaning every single component takes double the wear and tear. A heat pump is essentially an air conditioner that can run in reverse, absorbing ambient heat from the outside air and pumping it into your living room.

When that delicate balance of pressure, electrical current, and airflow is disrupted, the entire system suffers. We see a lot of homeowners ignore minor noises or slightly longer run times, hoping the problem will fix itself. Unfortunately, HVAC systems do not heal, and ignoring a minor electrical issue today usually guarantees a catastrophic mechanical failure tomorrow.

The Reversing Valve and Mode Failures

The heart of a heat pump's dual functionality is the reversing valve. This heavy-duty brass component shifts the flow of refrigerant, allowing the system to switch from cooling to heating.

When this valve gets physically stuck or its electrical solenoid burns out, your system becomes trapped in one mode. You might be calling for heat at the thermostat, but the unit outside is stubbornly blowing cold air into your house. Diagnosing a bad reversing valve requires checking the temperature differential across the valve body and verifying the voltage at the solenoid. If the valve itself has failed internally, it requires recovering the refrigerant, brazing in a new valve, and pulling a deep vacuum on the system before recharging it.

The Auxiliary Heat Trap

One of the most common and expensive failure modes we see across the region involves the backup heating system. Heat pumps use electric resistance heat strips, known as auxiliary heat, to supplement the system during extreme cold snaps.

However, if your heat pump loses its refrigerant charge or suffers a compressor failure, the thermostat will force those backup strips to run continuously to maintain the indoor temperature.

Signs your system is stuck in auxiliary mode: * The thermostat screen constantly displays "Aux Heat" or "Emergency Heat" during mild weather. * Your electric bill suddenly doubles or triples without a change in outdoor temperatures. * The air coming from the vents smells faintly of burning dust for weeks on end. * The outdoor unit remains completely silent while the indoor blower runs non-stop.

Running entirely on heat strips is like trying to heat your entire house with a giant toaster. If you notice your system relying heavily on auxiliary heat when it is fifty degrees outside, you need to call for Furnace Repair or heat pump diagnostics immediately before your electric provider sends you a massive bill.

Defrost Board Failures and Frozen Coils

During the winter, the outdoor coil of your heat pump gets incredibly cold, causing ambient moisture to freeze onto the aluminum fins. To prevent the unit from turning into a solid block of ice, the system relies on a defrost control board and a series of temperature sensors.

When ice builds up, the board temporarily switches the system into cooling mode to melt the frost, while simultaneously turning on the indoor heat strips so you do not feel a blast of cold air. When the defrost board fails, or the sensors drift out of calibration, that ice just keeps accumulating.

A frozen outdoor coil cannot absorb any heat from the outside air, completely starving the compressor. The system will run continuously, achieving absolutely nothing while grinding the internal mechanics of the compressor to dust. We test the defrost cycle manually during our service calls, forcing the board to trigger so we can verify that the relays, sensors, and reversing valve are all communicating properly.

Refrigerant Leaks and Compressor Strain

A heat pump requires a very specific volume of refrigerant to transfer heat effectively. When a leak develops in the copper lines, the evaporator coil, or the condenser coil, the system loses its ability to move thermal energy. The compressor, which relies on the cool returning refrigerant to keep its own internal motor from overheating, begins to run dangerously hot.

What we check during a refrigerant diagnostic: * Hook up digital manifolds to measure the exact superheat and subcooling temperatures. * Inspect the thermal expansion valve to ensure it is metering the remaining liquid properly. * Use electronic leak detectors to pinpoint microscopic pinholes in the copper tubing. * Test the dual-run capacitor to ensure the compressor is getting the right voltage boost on startup.

If we catch a failing capacitor or a pitted contactor early, it is a straightforward repair that saves your system. If you let it go, that electrical strain will eventually kill the compressor, turning a minor service call into a massive expense.

When a system is too far gone to repair economically, customers often pivot to AC Repair or replacement discussions, but our goal is always to save the equipment if the math makes sense for you. Whether you are dealing with a stuck reversing valve or a frozen outdoor coil, our Heat Pump Repair team handles every call across Tulsa Metro.

The Tellez Way: Honest Diagnostics and No-Pressure Solutions

Tellez Heating and Air is a family business founded in 2009 by Julio Tellez, and we operate on a very simple premise: we treat your home the way we would treat our own. With Julio's 30+ years and Alec's 10+ years in the trade, and Alec serving as our lead Journeyman, we bring deep, lived-in HVAC expertise to every call.

We are fully licensed (#0061973), insured, and bonded, so you never have to worry about the caliber of professionals stepping onto your property. We know that dealing with a broken climate system is incredibly stressful, which is why we answer calls and texts until about 10 PM most nights, and evenings and weekends are for emergencies and carry an additional fee.

We also know the biggest fear homeowners have when calling an HVAC company is being sold something they do not actually need. That is why we take a completely different approach to the service experience. If you are wondering how you know you actually need a specific repair, we eliminate the guesswork entirely by providing clear photo evidence of every issue we find inside your equipment. We show you the burned wires, the leaking coils, or the failing contactors, and explain exactly what you should and should not be paying for.

There are absolutely no high-pressure sales tactics here. Our technicians lay out your repair and replacement options logically, and they stay on-site until every single one of your questions is answered. If a new system is ultimately the best route for your home, we offer free estimates on new equipment and make the upgrade accessible with flexible financing through GoodLeap and Synchrony.

Complete Climate Control for Your Home

A heat pump does not operate in a vacuum, and keeping it healthy often requires looking at the rest of your home's climate systems. If your home's thermal envelope is compromised, your system will run continuously, driving up your energy bills and accelerating mechanical wear. Upgrading your attic with Blow-In Insulation traps the conditioned air inside, drastically reducing the strain on your equipment and helping it run shorter cycles.

If you rely on a dual-fuel setup for those bitter winter cold snaps, a failing gas system requires immediate attention. Our Furnace Repair team can get your backup heat running safely again so you are never left in the cold. Finally, the absolute best way to avoid unexpected failures altogether is through proactive care. Service Club members get two precision tune-ups a year (spring AC and fall furnace), 15% off repairs, and priority scheduling.

Get Your Heat Pump Running Right Today

Living with a heat pump that runs constantly but never quite reaches the temperature on the thermostat is frustrating, uncomfortable, and incredibly expensive. You do not have to settle for lukewarm air, tolerate deafening mechanical noises, or wait around for a sudden system breakdown to force your hand.

Our family is ready to diagnose the root cause of your system's struggle and show you exactly what is going wrong with photographic proof. Schedule your diagnostic visit today and let Tellez Heating and Air get your home's comfort back under control.