Shady Hollow HVAC: Quick Heating System Fixes

Estimated Read Time: 10 minutes

If your home is chilly and you are searching for furnace repair near me, you want fast, safe fixes that actually work. In Austin, a blue norther can drop temps in hours. This guide shows quick checks you can do right now, when to call a pro, and how to prevent the next breakdown. Bonus: see our $129 Tune-Up that catches issues before they cost you.

1) Furnace will not turn on

What is happening: No power, a tripped safety, a bad thermostat signal, or a failed igniter can keep a furnace from starting. In Austin, many air handlers sit in tight attics. Access can be tricky, so take safety seriously.

Fast checks you can do now:

1. Confirm power
   • Make sure the furnace switch is on. It looks like a light switch near the unit.
   • Check the breaker panel. Reset any tripped breaker once. If it trips again, stop and call.
2. Thermostat basics
   • Set to Heat. Fan on Auto. Raise setpoint 3 to 5 degrees above room temp.
   • Replace thermostat batteries if it has them.
3. Door and float switches
   • Reseat the blower door. The safety switch must depress fully.
   • Check the condensate pan under the coil. If water is present, the float switch may lock out heat.
4. Igniter check
   • If you hear clicks but no flame, an igniter or flame sensor may be dirty or failed.

When to call a pro:

• You smell gas or hear repeated clicking with no ignition.
• The breaker will not hold.
• The unit shuts off within 30 seconds of lighting.

Why maintenance prevents this: Annual tune-ups include wiring inspection and adjustment, igniter or pilot checks, and burner adjustments. These reduce nuisance lockouts and hard starts before a cold snap.

2) Furnace blows cold air or short cycles

What is happening: A clogged filter, flame sensing fault, pressure switch problem, or overheating can cause short cycles and cool drafts.

Fast checks you can do now:

1. Replace the air filter
   • If you cannot see light through the filter, it is overdue.
   • Austin pollen and cedar season clog filters faster. Check monthly in winter.
2. Reset after a cool-down
   • Turn the furnace off at the switch for 60 seconds, then back on to clear a control fault.
3. Check vents and returns
   • Open supply registers. Do not block returns with furniture or rugs.
4. Look at the flame
   • A steady blue flame is healthy. Yellow, wavering, or lifting flames need service.

When to call a pro:

• The furnace shuts down after a minute, again and again.
• You see sooty furnace panels or smell exhaust. That can be a heat exchanger or vent issue.

Why maintenance prevents this: A tune-up includes cleaning the blower compartment, checking airflow and duct connections, inspecting gas pressure, and verifying the heat exchanger. These keep airflow correct and stop overheating cycles.

3) Strange noises: banging, squealing, rattling

What is happening: Banging suggests delayed ignition or duct oil-canning. Squealing points to a worn belt or motor bearing. Rattles often mean loose panels or failing blower components.

Fast checks you can do now:

1. Tighten panels
   • Turn power off. Tighten cabinet screws and gently press insulation back in place.
2. Filter and airflow
   • Replace a dirty filter. Closed vents raise static pressure and cause noises.
3. Check flexible gas line clearance
   • Ensure it is not rubbing the cabinet. Do not adjust gas fittings. Just note what you see.

When to call a pro:

• You hear loud booms at startup. That can be delayed ignition.
• High-pitched squeals persist. Motors and bearings need proper tools and testing.

Why maintenance prevents this: Technicians adjust burners, verify ignition, balance blower speeds, and secure wiring during annual service. These steps quiet the system and stop small vibrations from becoming big repairs.

4) Furnace runs but some rooms stay cold

What is happening: Duct leaks in the attic, imbalanced dampers, undersized returns, or a mis-sized system will leave rooms cold. In Central Texas, long attic runs and knee walls often leak heat.

Fast checks you can do now:

1. Vent and damper position
   • Ensure registers are open. Look for manual dampers near trunk lines and set them parallel to the duct for open.
2. Doors and drafts
   • Close exterior doors and add simple weatherstripping at gaps. You will feel the difference fast.
3. Filter and furniture
   • Replace the filter. Move furniture that blocks supply registers.

When to call a pro:

• You suspect duct leaks or crushed flex duct.
• Rooms at the end of long runs never warm up. This may require duct balancing or added returns.

Why maintenance prevents this: A professional inspection checks airflow and duct connections. Our team will evaluate your home’s square footage, ceiling height, insulation, window locations, lifestyle, and preferences to right-size equipment and balance comfort.

5) Furnace smells: burning, chemical, or exhaust odor

What is happening: A dusty burning smell at first heat is common. Persistent chemical or exhaust odors are not normal and can be unsafe.

Fast checks you can do now:

1. First-cycle dust
   • If the smell fades after 10 to 20 minutes, dust on the heat exchanger likely burned off.
2. Filter and cleanliness
   • Replace the filter. Dusty coils and blowers spread odors.
3. Carbon monoxide safety
   • Ensure your CO alarms have fresh batteries and are within 10 feet of sleeping areas.

When to call a pro immediately:

• You smell exhaust or feel dizzy or nauseous.
• CO alarm sounds. Leave the home and call for service from outside.

Why maintenance prevents this: During a tune-up we inspect the heat exchanger, check gas pressure, and test for carbon monoxide to make sure there is not a leak that can threaten your family.

Quick DIY checklist to rule out the basics

1. Set thermostat to Heat and raise setpoint by 3 to 5 degrees.
2. Replace the air filter.
3. Confirm furnace switch and breaker are on. Reseat blower door.
4. Open vents and clear returns. Look for a full, blue flame.
5. Power cycle the unit once for 60 seconds.

If these steps do not restore heat, schedule professional diagnostics. Our licensed and trained technicians provide a full range of heating services from installation to repair to maintenance. We offer honest recommendations on whether your furnace can be fixed or if replacement makes more sense.

Why professional maintenance saves money in Austin

Neglect is the top cause of emergency furnace calls during cold fronts. A simple annual tune-up is the best way to prevent unexpected breakdowns, avoid expensive repair bills, and extend the life of your furnace.

What we cover in a tune-up:

• Indoor air filter cleaning or replacement
• Wiring inspection and adjustment
• Cleaning the blower compartment
• Burner adjustment
• Inspection of igniter or pilot
• Inspection of gas pressure and heat exchanger
• Checking airflow and duct connections

Add safety checks: our technicians also check carbon monoxide levels. Most new furnaces last 15 to 20 years with routine tune-ups. Skipping service can shorten that by several years and raise energy bills.

Repair vs replace: make the right call

Choose repair when:

• The system is under 10 years old and well maintained.
• The fix is minor, like a sensor or igniter, and parts are available.

Consider replacement when:

• The furnace is 15 to 20 years old or heat exchanger is compromised.
• Repair costs exceed 30 percent of the price of a new, efficient unit.
• Comfort is uneven and your ducts or returns are undersized.

Our team will evaluate your home to determine the size and specs that are right for you. We factor in square footage, ceiling height, insulation, window locations, and your lifestyle.

Heat pump option for combined heating and cooling

Heat pumps provide both heating and cooling in one system, reducing repair and maintenance costs. For many Austin homes without gas lines or with high electric efficiency goals, a heat pump can be a smart upgrade.

When a heat pump makes sense:

• You want year-round comfort with one system.
• You prefer all-electric heating and cooling.
• You value variable-speed comfort and humidity control.

We install and service heat pumps and can compare total ownership cost to a gas furnace setup.

Safety, compliance, and guarantees you can trust

• Licenses you can verify: TACLB #117615E, TECL #26149, LIC# M-44221.
• Family owned and serving Austin since 1984 with same day service.
• SALT+ Membership is $24.95 per month and includes priority service, exclusive discounts, routine maintenance, 24/7 emergency assistance, and a lifetime guarantee on repair and installation work performed under the membership.

If you want zero surprises the next time a cold front hits, join SALT+ and lock in front-of-the-line service and member pricing.

Special Offer: Keep Your Furnace Running Right

Heating Tune-Up only $129 per unit. Schedule online or call (512) 559-4206. Expires Feb 4, 2026. Cannot be combined with other offers.

Members save more: SALT+ is $24.95 per month and includes priority scheduling, up to 15% off services and repairs, 10% off eligible HVAC repairs, and 5% off new HVAC equipment installations. Ask about 0% interest financing for up to 18 months on eligible HVAC installations, with approved credit.

What Homeowners Are Saying

"David came on an urgent call when our air conditioner&furnance stopped working... He was extremely experienced and thorough. Fixed our issue quickly, and got our system back running."
–Alyssa P., Austin

"For our recent HVAC replacement we worked with Chris... a whole new heating/cooling unit... The work only took 2 days and we had a heater up in running after the first day!"
–Alex H., HVAC Replacement

"David is very knowledgeable, thorough, and professional. He explained the heat pump mechanism and operation very clearly."
–Fawn R., Heat Pump

"Aaron M. Johnson was great. Explained everything in detail for winter HVAC checkup... We had the ducts cleaned... he corrected whatever needed to be done."
–Janet L., Winter Checkup

Frequently Asked Questions

How often should I service my furnace in Austin?

An annual furnace tune-up is best. It prevents breakdowns, avoids expensive repair bills, extends equipment life, and includes safety checks like carbon monoxide testing.

Which filter should I use for my furnace?

Use the size listed on your return grille or manual. A MERV 8 to 11 pleated filter balances airflow and capture. Check monthly during winter and cedar season.

Is a yellow furnace flame dangerous?

Yes. A steady blue flame is normal. Yellow or wavering flames can signal combustion issues. Turn the unit off and schedule service for a safety check.

Should I repair or replace a 18-year-old furnace?

Consider replacement. Most furnaces last 15 to 20 years with routine tune-ups. If repairs are frequent or costly, a new system may be the better value.

Do heat pumps work well in Central Texas winters?

Yes. Modern heat pumps deliver efficient heat in our typical winter range. They also provide cooling, which reduces total maintenance and repair costs.

In Summary

Now you know the top furnace problems and the quick checks that solve many of them. For expert help with furnace repair near me in Austin, trust the licensed team that has served local homes since 1984. Stay safe, stay warm, and prevent the next breakdown with a pro tune-up.

Ready for Fast Heat? Call, Schedule, or Chat

• Call SALT Plumbing Air & Electric at (512) 559-4206 for same day service.
• Schedule now at https://callsalt.com/ and mention our Heating Tune-Up only $129 per unit, expires Feb 4, 2026.
• Ask about SALT+ Membership for $24.95 per month with priority service, discounts, and a lifetime guarantee on qualifying work.

About SALT Plumbing Air & Electric

Family owned and serving Austin since 1984, SALT delivers same day service with licensed, trained technicians. We specialize in furnaces and heat pumps, and back our work with a satisfaction guarantee. SALT+ members receive priority scheduling, discounts, and annual maintenance for $24.95 per month. Licenses: TACLB #117615E | TECL #26149 | LIC# M-44221. Voted Best in Austin multiple years.