Heat Pump Repair in Jenks, OK

Solving Heat Pump Malfunctions in Your Jenks Home

Is your heat pump blowing warm air in the middle of a sweltering afternoon, or stuck in cooling mode right as an Oklahoma cold snap hits? Heat pumps are year-round workhorses in this climate, and when they start struggling, ignoring a stuck reversing valve or a failing defrost board usually forces the system to rely on expensive emergency heat. Tellez Heating and Air is ready to inspect your system, document exactly what is failing, and get your home comfortable again.

Warning Signs Your Heat Pump Needs Repair

System is Stuck in Heating or Cooling Mode

You adjust the thermostat for a sudden weather shift, but the system just keeps blowing the opposite of what you need. It might be blowing hot air on a 95-degree day, or blasting AC during a freezing night. Nine times out of ten, this points to a failing reversing valve or a bad solenoid coil.

The reversing valve is the crucial component that physically switches the flow of refrigerant to change the system from an air conditioner to a heater. If ignored, your home becomes unlivable during extreme temperature swings. The system will run continuously without ever satisfying the thermostat, driving up your utility bills and wearing out the blower motor.

"Auxiliary Heat" Stays on Constantly

You notice the auxiliary or emergency heat indicator is lit up on your thermostat almost all day, even when it is only moderately cold outside. Auxiliary heat uses electric resistance strips to supplement the heat pump when temperatures drop drastically. However, if it is running constantly during normal winter weather, it means your heat pump has lost its ability to extract heat from the outside air.

This is often due to a refrigerant leak, a failing reversing valve, or a struggling compressor. Relying on auxiliary heat for daily warming is incredibly inefficient. Ignoring this will cost you hundreds of extra dollars in wasted electricity within a single billing cycle.

Outdoor Unit is Cased in Solid Ice

During the winter, you look at your outdoor heat pump cabinet and see that the coils are completely encased in a thick layer of solid ice or heavy frost that isn't melting off. While a little frost is normal in colder weather, your heat pump has a built-in defrost cycle to melt it away. When it turns into a block of ice, it means the defrost control board, the defrost sensor, or the reversing valve has failed.

A frozen coil blocks airflow completely. If the system keeps running in this state, the compressor will overheat and likely suffer catastrophic failure. This can quickly turn a repair into a full system replacement.

Loud Grinding, Screeching, or Rattling Noises

Every time the system starts up or shuts down, you hear harsh metal-on-metal grinding, a high-pitched screech, or aggressive rattling coming from the outdoor cabinet. These noises typically indicate failing motor bearings in the fan, a loose internal component, or a struggling compressor. Because heat pumps run year-round, these moving parts experience double the wear of a standard AC.

Continuing to run a system that is grinding or screeching will quickly burn out the fan motor or destroy the compressor. Catching it early often means a simple part replacement instead of a major overhaul.

Common Causes of Heat Pump Failures

Reversing Valve or Solenoid Failure

The reversing valve contains a sliding mechanism that changes the direction of the refrigerant. Over time, the internal slide can get stuck, or the electrical solenoid coil that controls it can burn out. Because Oklahoma weather requires heat pumps to switch back and forth frequently between heating and cooling, this component sees heavy use.

It is a frequent point of failure in our area, especially during seasons where you need heat in the morning and cooling by the afternoon. We test the electrical current to the solenoid and check the temperature differential across the valve. Depending on the findings, we will either replace the electrical coil or recover the refrigerant and braze in a new reversing valve.

Faulty Defrost Control Board

The defrost board acts as the brain for the outdoor unit during winter, telling it when to temporarily switch into cooling mode to melt ice off the coils. When the board or its attached sensors short out, the cycle never triggers. Winter ice storms and freezing rain make a functioning defrost cycle absolutely critical.

When local humidity freezes to the coils, a bad board guarantees the unit will freeze solid. Diagnosing this involves forcing the system into a manual defrost cycle to isolate the problem. If the board is dead, we swap it out for an OEM replacement and verify the sensors are reading temperatures correctly.

Refrigerant Leaks

Microscopic pinhole leaks can develop in the copper coils or at the brazed joints due to vibration, corrosion, or simple age. As refrigerant slowly escapes, the heat pump loses its ability to transfer heat effectively in either mode. The extreme temperature expansions and contractions the metal coils experience during our blistering summers and freezing winters can accelerate wear on these joints.

We do not just top off the system and walk away. We use electronic leak detectors to find the exact source of the leak and repair the copper line. Then we pressure test the system with nitrogen and weigh in the exact factory charge of refrigerant.

Worn Dual Run Capacitors

The capacitor is a small, cylindrical component that stores electricity to give the compressor and fan motors the massive jolt of energy they need to start up. When it degrades, the motors struggle to turn on, often just humming and shutting off. Capacitors are highly sensitive to extreme heat.

The upper-90s and 100-degree heat waves we experience locally literally bake the internal fluids of the capacitor, causing them to bulge and fail prematurely. We safely discharge and remove the swollen capacitor, install a heavy-duty replacement, and test the amp draw on your motors to ensure they haven't been damaged.

What to Expect During Your Service Visit

Honest Diagnostics and Clear Solutions

When you call Tellez Heating and Air for a heat pump issue, you get a family business that has been serving the area since 2009. We are fully licensed (#0061973), bonded, and insured, so you can trust the professionalism of our work. When our technician arrives at your home, we start by asking detailed questions about what you have been noticing with your system.

We then perform a comprehensive diagnostic on your equipment to pinpoint the exact failure point. One of our core promises is total transparency in everything we do. We take photo evidence of every problem we find inside your heat pump so you can see exactly what is going on.

No High-Pressure Sales Tactics

Before any work begins, we show you the photos, explain exactly what failed, and provide a clear solution. There are no high-pressure sales tactics, just honest advice from experienced professionals. Our technicians will lay out your options and stay on-site until every single one of your questions is answered.

Call or text us at (918) 809-2017. We answer calls and texts until about 10 PM most nights. We respect your time and your property, ensuring the workspace is clean before we leave.

Related Services You May Need

System Replacements and Ongoing Care

Sometimes, a heat pump is simply too old or the compressor has completely failed, making a repair economically unwise. In those cases, we provide free estimates on heat pump replacement, offering high-quality installations with financing available through GoodLeap and Synchrony. If your system just needed a minor repair, the best way to prevent future breakdowns is through our HVAC maintenance seasonal tune-ups to keep your equipment running efficiently.

The True Cost of Waiting

Don't Let Minor Issues Destroy Your Compressor

Ignoring a struggling heat pump is one of the most expensive mistakes a homeowner can make. Because these systems run year-round, a minor issue compounds rapidly. A system that is low on refrigerant or suffering from a bad capacitor will force the compressor to work twice as hard.

Compressors are the most expensive part of the system, and if yours burns out, you are often looking at a total system replacement rather than a simple repair. Furthermore, if your system is defaulting to auxiliary heat because it can't function properly, your electric bill will skyrocket. It is not uncommon for homeowners to see their utility bills double or triple in a single month when auxiliary heat runs unchecked.

See the Proof for Yourself

Customers often worry about whether they actually need a repair or if a company is just trying to upsell them. That is exactly why we provide photo evidence of the failure on every single service call. You will see the burnt contactor, the frozen coil, or the leaking valve with your own eyes, so you know exactly what you are paying for and why it matters.

Catching these issues early is the key to extending the lifespan of your equipment. A quick repair today saves you from an emergency breakdown during the hottest or coldest days of the year.

Restoring Your Comfort in Jenks

Don't let a malfunctioning heat pump leave you freezing in the winter or sweating through the summer. We are here to provide honest, reliable solutions for your Jenks home without the typical sales pressure. Call or text us at (918) 809-2017. We answer calls and texts until about 10 PM most nights. Reach out today to schedule your service visit and experience the difference of working with Tellez Heating and Air.