Furnace Repair

Any Problem. Anytime. Anywhere.

Expert Furnace Repair Services

A furnace that quits in the middle of a Western New York or Northwestern Pennsylvania winter puts more than your comfort at risk. Strange noises, uneven heat, or a sudden jump in your utility bills are your system’s way of telling you something is wrong.

TJ’s Plumbing & Heating, Inc. repairs furnaces so your home stays warm and your family stays safe — without the stress of figuring it out on your own.

What Sets Our Furnace Repair Service Apart

Furnace problems rarely announce themselves at a convenient time, and the technician you call matters.

TJ’s Plumbing & Heating, Inc. brings the diagnostic depth, local experience, and around-the-clock availability to handle repairs the right way — the first time.

Licensed Master Heating Professionals: Every furnace diagnosis and repair is handled by licensed professionals (No. P2600019) using hands-on system testing to find the root cause of the problem, not just the most visible symptom.

30+ Years in the Region: Since 1990, our team has built hundreds of years of combined experience working on gas and electric furnaces through every kind of Western New York and Northwestern Pennsylvania winter, with a deep understanding of how heavy seasonal loads affect equipment over time.

24/7 Emergency HVAC Service, Same-Day Response: When a furnace stops in the middle of the night, same-day, around-the-clock response means heat restoration happens fast without waiting for business hours.

Award-Winning Reliability: The standards that earned us Best Plumber in Erie in 2025 and six consecutive People’s Choice Awards go into every furnace repair we handle.

100% Satisfaction Guarantee: Your furnace works correctly when we leave, or we come back and make it right.

Free Estimates: No-cost assessments and low diagnostic fees make it easy to move forward with any furnace repair or replacement without budget uncertainty.
Flexible Financing Options: We offer financing options to make furnace repair accessible when you need it most — because a broken furnace can’t wait for the right time in your budget.

Get Your Free Estimate Today

Our Furnace Repair Process

Every furnace repair begins with the system running — because that’s the only way to see exactly where performance breaks down.

System Testing Under Operation

We start by running your furnace and observing how it performs.

We check:

Airflow at supply vents
Temperature rise across the heat exchanger
Ignition sequence and burner operation
Safety control response during operation

This allows us to identify where performance is breaking down.

Electrical and Control Diagnostics

We test voltage, current draw, and component response while the system is energized.

This includes:

Control board signals
Capacitors and relays
Thermostat communication
Blower motor performance

These tests help isolate electrical issues that affect system reliability.

Ignition and Combustion Analysis

For gas furnace repair, we evaluate how the system ignites and burns fuel.

We inspect:

Igniters and flame sensors
Gas valve operation
Burner flame pattern and stability
Exhaust and venting behavior

Targeted Furnace Repair

Once the issue is identified, we repair or replace the specific component causing the problem. This may include ignition components, electrical parts, airflow restrictions, or control issues.

For systems where repeated repairs point to age or efficiency loss, that finding carries directly into a furnace installation assessment before another repair is committed to.

Operational Verification

After repair, we run the system through full heating cycles and confirm proper airflow, temperature output, and system stability.

Furnace Problems We Can Help You With

Recognizing the right furnace problems early is what separates a quick heating repair from a full system replacement.

Scheduling a furnace tune-up before issues develop keeps that distinction in your favor.

Uneven or Insufficient Heating

We measure airflow and temperature rise to determine why your system is not heating evenly. Where airflow restrictions trace back to filtration, air filter replacement is addressed as part of the same visit.

Ignition or Startup Failure

We inspect ignition components and system response when the furnace attempts to start.

Loud or Unusual Noises

We evaluate moving components such as blower motors and internal assemblies to locate the source of noise.

Electrical Issues and System Shutdowns

We test the electrical load and control response to identify why your system is shutting down or tripping breakers.

Furnace Systems We Repair and Service

Different furnace types have different components, failure points, and service requirements. Every repair starts with knowing exactly what system is in front of us.

Gas Furnace Repair

Gas furnace repair requires careful evaluation of combustion and safety systems.

We inspect the heat exchanger for damage, verify burner operation, and test ignition components to ensure safe startup and operation.

We also check gas flow, flame stability, and exhaust performance to confirm the system is operating correctly. Where exhaust or venting checks surface a gas line concern, gas line repair and installation are handled in the same visit rather than scheduled separately.

Electric Furnace Repair

Electric furnace repair focuses on electrical load and heating element performance.

We test heating elements for proper amperage and continuity, inspect safety limits, and verify control components to ensure consistent heating output.

We also evaluate electrical connections and system response under load.

Get Your Heat Back Today

A furnace that struggles today can leave your household without heat entirely by tomorrow night. At TJ’s Plumbing & Heating, Inc., our furnace repair services across Western New York and Northwestern Pennsylvania get your system back to full operation before a minor fault turns into a complete breakdown.

Call now or contact us online — warmth is closer than you think.

Book a Service Online

Our Locations

TJ’s Plumbing & Heating, Inc. serves Western New York and Northwestern Pennsylvania across three locations — bringing the same standard of service to every corner of the region.

Erie, PA

1406 East 28th Street, Erie, PA 16504

Warren, PA

Jamestown, NY

1005 Allen Street, Jamestown, NY

Dunkirk, NY

Ferdonia, NY

Fairview, PA (Coming Soon)

6550 West Ridge Road, Fairview, PA 16506

Frequently Asked Questions

How do I know if I need furnace repair?

Uneven heating across rooms, banging or rattling during startup, unexpected system shutdowns, and a furnace that won’t ignite are the primary indicators. A furnace that runs continuously without reaching the thermostat setpoint is also worth having inspected — it signals an efficiency or capacity issue, not just a mechanical one.

What causes a furnace to stop working?

Ignition failure, a tripped high-limit switch, clogged filters restricting airflow, failed capacitors or control boards, and gas valve issues are the most frequent causes. A tripped high-limit switch is worth checking first — it’s a safety shutoff triggered by overheating, often from a dirty filter, and resets once the underlying cause is cleared.

How long does furnace repair take?

Most repairs wrap up within two to three hours once diagnosed. Jobs requiring parts not stocked on the service vehicle — heat exchangers, control boards, or draft inducers — extend the timeline to whenever components arrive, which gets communicated upfront.

Is furnace repair better than replacement?

A system under 15 years old with an isolated component failure is generally worth repairing. A system past that mark with recurring issues, a cracked heat exchanger, or repair costs approaching 50 percent of a new unit’s price is a replacement candidate — continuing to repair an aging furnace typically costs more over two heating seasons than a single replacement does upfront.

Can I run my furnace if it is not working properly?

A furnace showing signs of heat exchanger damage — carbon monoxide detector alerts, soot around the unit, or a yellow burner flame instead of blue — warrants an immediate shutdown. Other malfunctions accelerate wear on connected components the longer the system runs in a degraded state. Either way, continued operation compounds the repair scope.