
Furnace Repair in Pflugerville, TX Fast, Safe, Same-Day Service
Is your furnace not turning on? Is it blowing cold air, making loud noises, or shutting off too soon? We can help today. AC Repair Pflugerville has repaired gas furnaces in Pflugerville for more than 13 years. Our local techs come out the same day, find the real cause, and fix it right. You get a clear price before any work starts, and every repair includes a full safety check.
13+ yearsof furnace repair in Pflugerville and Central Texas
Same-day service on most calls
Safety check on every visitincluding gas and carbon monoxide checks
Upfront pricing and licensedinsured techs

Why Furnaces in Pflugerville Break Down
In Central Texas, a furnace has a strange job. It sits quiet for eight or nine months, then has to work hard when a cold front blows in. That long rest is hard on a furnace.
- Dust builds up. Dust settles on the burners, flame sensor, and blower while the furnace sits unused. The first time it runs, that dust can stop it from lighting.
- Parts dry out and wear. Belts, bearings, and seals can crack or stick after months of not moving.
- Hot attics cause damage. Many Pflugerville homes have the furnace in the attic. Summer attic heat can go over 130°F, which is hard on wires, switches, and control boards.
- Sudden cold snaps. When the temperature drops fast, every furnace in town turns on at once. Weak parts fail on the first cold night.
This is why so many furnace calls in Pflugerville come in the first few cold days of the year. A fall tune-up helps, but when your furnace does break, you need someone who can come fast.
Signs Your Furnace Needs Repair
Call us if you notice any of these signs:
The furnace will not turn on or will not light
Cold air blows from the vents while the heat is on
It turns on and shuts off again after a few minutes
Loud noises, like booming at startup, banging, squealing, or grinding
A yellow or flickering flame instead of a steady blue one
The blower runs all the time and will not stop
A burning smell that lasts after the first few minutes
Your gas bill jumped without a clear reason
Headaches, dizziness, or sleepiness at home when the heat is on, which can be a sign of carbon monoxide
Common Furnace Problems We Fix
After 13 years of furnace repair in Pflugerville, these are the problems we fix most often:
| Problem | What it often means |
|---|---|
| Furnace will not light | Dirty flame sensor, bad hot surface ignitor, or gas valve problem |
| Lights, then shuts off | Dirty flame sensor or overheating from a clogged filter |
| Blowing cold air | Pilot or ignitor failure, thermostat set to "fan on," or overheating |
| Loud boom at startup | Delayed ignition from dirty burners |
| Blower will not stop | Bad limit switch, relay, or thermostat setting |
| Squealing noise | Worn blower belt or motor bearings |
| Short cycling | Dirty filter, wrong furnace size, or failing control board |
| Error code or blinking light | Control board found a fault; we read the code and fix the cause |
What Our Furnace Repair Includes
Every furnace repair visit includes more than just fixing the broken part. Our techs:
- 01
Thermostat and Wiring
Check the thermostat and wiring to make sure the furnace is getting the right signal.
- 02
Ignitor and Flame Sensor
Inspect the ignitor and flame sensor, the two parts that fail most often.
- 03
Burners and Flame
Check the burners and flame for clean, even, blue flames.
- 04
Safety Switches
Test the safety switches, including limit and pressure switches.
- 05
Heat Exchanger
Inspect the heat exchanger for cracks that could leak carbon monoxide.
- 06
Gas Connections
Check the gas connections for leaks.
- 07
Blower and Airflow
Test the blower motor and check airflow.
- 08
Air Filter
Check the air filter and replace it if needed.
- 09
Full Cycle Test
Run the furnace through a full cycle to make sure it heats your home again.
Gas Furnace Safety: Why It Matters
A gas furnace burns fuel to make heat. When it works right, it is safe. When something is wrong, it can be dangerous.
The biggest risk is carbon monoxide (CO). It is a gas you cannot see or smell. A cracked heat exchanger or blocked vent can let CO into your home. That is why we check for it on every furnace visit.
Here is how to keep your family safe:
- Put a carbon monoxide alarm on every floor of your home, and near bedrooms.
- Test your alarms once a month and change the batteries once a year.
- Never block the furnace vents or store boxes and cleaning products around the furnace.
- Get a yearly furnace tune-up in the fall.
Repair or Replace Your Furnace?
We always try to repair your furnace first. But when a furnace gets old, repairs can cost more than they are worth. Here is a simple guide:
- The furnace is under 15 years old
- The fix is a small part, like an ignitor
- It rarely breaks down
- Your gas bills are normal
- The furnace is 15 to 20+ years old
- The heat exchanger is cracked
- It needs repairs every winter
- Your gas bills keep going up
Why Pflugerville Trusts Us for Furnace Repair
13+ Years in Pflugerville
We have fixed furnaces in Pflugerville homes for more than 13 years, from newer homes to older houses near downtown. We know the attic setups, the common brands, and the problems Central Texas weather causes.
Same-Day Service
Nobody should sit in a cold house waiting days for a repair. We keep room in our schedule for same-day furnace calls.
Safety Comes First
Every visit includes a safety check for gas leaks and carbon monoxide risks.
Clear, Upfront Prices
You see the price before we start. No surprise fees.
All Major Brands
We repair Trane, Carrier, Lennox, Goodman, Rheem, Ruud, York, American Standard, Bryant, Amana, and more.
Work That Lasts
We use quality parts and back our work with a labor warranty.
Furnace Service Areas
We provide furnace repair and furnace service in Pflugerville (78660 and 78691), Round Rock, Hutto, Georgetown, Wells Branch, Manor, and North Austin.
Furnace Repair Pflugerville FAQs
Do you offer same-day furnace repair in Pflugerville?
Yes. We keep room in our schedule every day for same-day furnace repair in Pflugerville. Call early for the best chance at a same-day visit.
Why won't my furnace turn on?
Common causes are a thermostat problem, a tripped breaker, a dirty flame sensor, a bad ignitor, or a closed gas valve. Check your thermostat and breaker first. If the furnace still will not start, call us.
Why is my furnace blowing cold air?
Your thermostat fan may be set to "on" instead of "auto." It can also mean the furnace is not lighting, or it is overheating and shutting off the burners. A dirty filter is a common cause.
Why does my furnace turn on and off so often?
This is called short cycling. It is often caused by a dirty filter, a dirty flame sensor, or a thermostat problem. It wastes energy and wears out parts, so it is best to get it checked.
Is it safe to use my furnace if it smells like burning?
A light dusty smell for a few minutes on the first cold day is normal. If the smell is strong, lasts a long time, or smells like burning plastic, turn the furnace off and call us.
How much does furnace repair cost in Pflugerville?
It depends on the problem. A flame sensor cleaning or new ignitor costs much less than a new blower motor or control board. We always give you a clear price before any work starts.
How long does a furnace last?
Most gas furnaces last 15 to 20 years with good care. In Pflugerville, attic heat can shorten that, so yearly tune-ups matter.
How often should I get furnace service?
Once a year, in the fall, before the first cold front. A tune-up helps prevent breakdowns and keeps your furnace safe.
Do you also repair heat pumps?
Yes. Many Pflugerville homes use heat pumps instead of furnaces. See our heating repair page for more.
Need Furnace Repair in Pflugerville Today?
Do not spend another night in a cold house. Our local team has repaired furnaces in Pflugerville for over 13 years, and we are ready to help today. Call AC Repair Pflugerville at (512) 737-6599 for same-day furnace repair.
