Professional diagnostics and repair for gas furnaces, electric air handlers, and heat pumps.
Call For Service: (737) 282-0678When your heating system fails during a Central Texas cold snap, you need a professional who understands exactly how to diagnose the issue quickly. Our technicians provide targeted, accurate furnace repairs for homeowners throughout Elgin and Bastrop County. We arrive with fully stocked trucks, ready to test everything from hot surface ignitors and gas valves to blower motors and limit switches, ensuring your home returns to a safe, comfortable temperature without unnecessary delays.
Ignoring a struggling furnace doesn't just leave you cold; it can pose significant safety risks, particularly with gas-fired systems. Issues like a cracked heat exchanger or a malfunctioning draft inducer motor can lead to carbon monoxide exposure. Timely, professional repairs ensure your system operates safely and efficiently, protecting your family and preventing minor component failures from turning into expensive, full-system breakdowns.
If your furnace turns on, runs for just a minute or two, and shuts off before the house gets warm, it's short-cycling. This is often caused by a dirty flame sensor failing to detect the burner flame, or a clogged air filter causing the heat exchanger to overheat and trip the safety limit switch. Continual short-cycling will drastically increase your energy bills and wear out the blower motor and ignitor prematurely.
Skip the forms and wait times. Speak directly with an Elgin HVAC specialist to troubleshoot your system or schedule immediate dispatch.
A sudden drop in indoor temperature is usually the first sign something is wrong. You might hear the thermostat click, but the furnace never fires up, or perhaps the blower runs endlessly, pushing only lukewarm air through your vents. During one of our sudden Texas Northers, losing heat goes from a minor inconvenience to a serious problem within hours. Many heating failures actually stem from the system sitting dormant during our long, hot summers. Dust accumulates, electrical connections can oxidize, and when that first true cold front hits Elgin, the furnace struggles to ignite or sustain a flame. If your system is blowing cold air, short-cycling, or making unusual noises, immediate attention is required. If you need urgent assistance after hours, we offer emergency heating repair.
Modern gas furnaces rely on hot surface ignitors rather than standing pilot lights. Over time, the silicon carbide material in these ignitors degrades and cracks, preventing the furnace from lighting the burners.
If your furnace lights for a few seconds and then shuts down, the flame sensor is likely dirty or failing. A microscopic layer of oxidation can stop the sensor from detecting the burner flame, prompting the control board to shut the gas valve as a safety precaution.
The blower motor pushes heated air through your ductwork. If the start capacitor weakens, the motor may hum but fail to spin. Continued strain can cause the motor itself to burn out, leading to zero airflow.
The heat exchanger separates the combustion gases from the air circulating in your home. Years of thermal expansion and contraction can cause metal fatigue, leading to cracks. This is a critical safety issue that demands immediate attention.
The gas valve controls fuel flow to the burners. If the solenoid fails or the valve sticks, you will experience either no heat or a dangerously erratic flame.
Sometimes the furnace is fine, but the thermostat is miscalibrated or the integrated furnace control (IFC) board has a burnt relay, preventing it from sending the correct signals to start the heating cycle.
Homes in the 78621 area utilize a mix of heating technologies, and each requires a different diagnostic approach. Gas furnaces provide powerful, fast heat but require strict safety checks of the combustion process, draft inducer, and gas pressure. Electric furnaces (often part of an air handler) use heavy-duty heating elements and sequencers; repairs here focus heavily on high-voltage electrical testing and checking for burnt wire connections. Heat pumps, very common in Central Texas, operate differently by transferring heat from outside to inside. When a heat pump fails in winter, the issue might be a frozen outdoor coil, a faulty reversing valve, or a malfunctioning defrost control board rather than a traditional furnace problem.
When you call (737) 282-0678, we follow a systematic diagnostic process to pinpoint the exact point of failure. We don't guess; we test. First, we verify the thermostat call for heat. Then, we check the control board for error fault codes. We will measure the electrical draw of the draft inducer motor and verify that the pressure switch closes properly. Next, we test the resistance of the hot surface ignitor and measure the microamps generated by the flame sensor. Finally, we inspect the blower motor's amp draw and check the high-limit switch to ensure the system isn't overheating. Once we identify the failing component, we explain the issue clearly and provide a firm price for the repair.
We aim to repair whenever it is practical and cost-effective. However, as heating equipment ages past 12-15 years, the frequency and cost of repairs can escalate. If you are facing a massive repair bill—such as replacing a cracked heat exchanger or a failed proprietary control board—on an older out-of-warranty system, putting that money toward a new furnace installation might be the smarter financial choice. We will give you an honest assessment of your equipment's overall condition, factoring in its age, efficiency, and safety, so you can decide what makes the most sense for your home and budget.
Safety is the primary reason why DIY furnace repair is heavily discouraged. Gas furnaces rely on a precisely balanced combustion process. A cracked heat exchanger, a blocked flue pipe, or a misadjusted gas valve can result in carbon monoxide spilling into your living space—an odorless, colorless gas that is incredibly dangerous. Additionally, older gas connections can develop slow leaks. On the electrical side, modern furnaces utilize high-voltage components and sensitive low-voltage control circuits; a simple mistake can result in electrical shocks or permanently fry an expensive control board. Our technicians are trained to identify and mitigate these hazards during every service call.
Before scheduling a service call, you can perform a few basic checks. First, check your air filter. A severely clogged filter restricts airflow, which can cause the furnace to overheat and trip the high-limit switch, shutting the system down. Replace it if it's dirty. Second, verify your thermostat is set to 'Heat' and the temperature is set higher than the current room temperature. Check the batteries if it has a blank screen. Finally, check your electrical panel to ensure the breaker for the furnace (or air handler) hasn't tripped. If these basic steps don't resolve the issue, it's time to call in a professional.
While Bastrop County is known for intense summer heat, our winters are unpredictable. We can experience weeks of mild weather followed by a sudden plunge into freezing temperatures. Because our homes are built primarily for cooling, they can lose heat rapidly during a hard freeze. This makes a reliable furnace essential for protecting your plumbing from freezing and keeping your family safe. Regular heating maintenance in the fall can help prepare your system for these sudden workload spikes, but when unexpected breakdowns occur during a freeze warning, you need a local repair team that can respond quickly and fix the problem right the first time.
Each service call includes a thorough multi-point inspection to find and fix the root cause:
Verify thermostat operation, calibration, and wiring connections.
Inspect and test the hot surface ignitor or spark ignition system.
Clean the flame sensor and measure microamp output during combustion.
Test the draft inducer motor amp draw and pressure switch operation.
Inspect the heat exchanger for cracks, rust, or signs of metal fatigue.
Check the blower motor capacitor and measure operating voltage/amperage.
Our licensed heating technicians provide same-day service across Elgin, TX 78621. Call (737) 282-0678.
Call (737) 282-0678This could be due to an unlit burner caused by a failed hot surface ignitor, a dirty flame sensor shutting down the gas valve, or a tripped high-limit switch. It might also just be the fan switch on your thermostat set to 'On' instead of 'Auto'.
Repair costs vary depending on the broken part. Minor fixes like replacing a flame sensor or capacitor are relatively inexpensive, while replacing a blower motor or control board costs more. We always provide a clear, upfront quote after diagnosing the specific issue.
The first time you turn on your heater in the fall, a brief dusty burning smell is normal as accumulated dust burns off the heat exchanger. However, if the smell smells like electrical burning, melting plastic, or raw gas, turn the system off immediately and call for service.
It's the component that glows bright orange to light the gas burners, replacing old-style pilot lights. The silicon carbide material it's made of naturally degrades and becomes brittle over thousands of heating cycles, eventually cracking and failing to ignite the gas.
This is called short-cycling. The most common causes are a severely clogged air filter causing the system to overheat and trip a safety switch, a dirty flame sensor failing to register the flame, or an oversized furnace for your ductwork.
You cannot easily see a cracked heat exchanger without specialized tools like a combustion analyzer or inspection camera. Warning signs include a change in the burner flame color (yellow/orange instead of blue), soot buildup, or carbon monoxide detectors going off.
Yes. We repair all types of central heating systems in Bastrop County. We stock parts for gas furnaces, electric air handlers (sequencers, heating elements), and heat pumps (reversing valves, defrost boards).
Most common repairs, such as replacing an ignitor, capacitor, or cleaning a flame sensor, can be completed in about an hour once the technician diagnoses the problem. We keep our trucks stocked with common parts to minimize wait times.
We provide furnace repair for homeowners throughout the greater Elgin area: