Furnace Repair in Clemson, SC

When your furnace stops working, every hour counts, especially in the cold winter months. Count on PECO, Your Home Service Heroes. Serving Clemson and the greater Upstate SC region.

PECO Heating & Cooling is a family-owned company that has been diagnosing and repairing furnaces and heaters across Clemson and the Upstate SC region for more than 20 years. When your heat goes out on a cold Upstate night, you don’t have time to wait around. We show up fast, find the problem, and fix it.

Furnace and Heater Repair in Clemson, SC

Every service call starts the same way. We listen to what you’ve noticed, take a thorough look at the system, and give you a straight answer about what’s wrong and what the fix will cost. The community knows us as the Home Service Heroes because we take the time to explain the problem and the best way forward.

We repair all makes and models of gas furnaces, electric furnaces, and heat pumps. That covers failed igniters and flame sensors, bad blower motors, cracked heat exchangers, faulty gas valves, and thermostat problems. Whatever the issue, we handle the full range of furnace and heater repair for Clemson homeowners.

Safety is part of every furnace repair. We check for gas leaks, proper venting, and carbon monoxide risks before we call the job done. Your family’s safety matters more than getting to the next call.

If you smell gas, leave your home right away and call your gas company or 911 from outside. Once the area is safe, call us and we’ll handle the repair.

Call us at (864) 639-2424 or contact us online to schedule your furnace repair in Clemson. We’ll get someone out to you fast.

Schedule Service — Individual Service Page

Common Signs Your Furnace Needs Repair

Furnace problems in cold weather are more than an inconvenience. Watch for these common warning signs and call PECO Heating & Cooling when you notice them. Many furnace problems involve gas, electrical, or combustion parts, so we don’t recommend DIY repairs beyond the simple checks below.

No Heat or Cold Air from the Vents

If your furnace is blowing cold air or no heat at all, start with two simple checks. First, make sure the thermostat fan is set to “auto” instead of “on.” When the fan is set to “on,” the blower runs constantly and pushes room-temperature air through the vents between heating cycles. Next, check the air filter. A clogged filter restricts airflow, which can cause the furnace to overheat and shut off its burners while the blower keeps running. If neither check solves the problem, a dirty flame sensor or an ignition problem may be the cause. Call us to schedule a furnace repair visit.


Banging, Squealing, or Rattling Noises

Loud banging when your furnace starts is often caused by delayed ignition or dirty burners. When ignition is delayed, gas builds up in the combustion chamber and lights all at once. Over time, this can damage the furnace and crack the heat exchanger, which can allow carbon monoxide into your home. Squealing usually points to worn blower motor bearings, an old fan belt, or restricted airflow from a clogged filter. Rattling can mean loose panels or parts. Light popping as the ductwork warms up and cools down is usually normal. If you hear banging or new, loud noises, call us right away. Regular heater maintenance with a PECO Comfort Club maintenance plan helps catch these problems early.

Short Cycling or Frequent Shut-Offs

If your furnace turns on and off frequently without warming your home, it is short cycling. Common causes include a clogged air filter, a dirty flame sensor, an overheating furnace, a thermostat problem, or a system that isn’t sized correctly for the home. Short cycling puts extra wear on furnace parts, wastes energy, and leaves rooms uncomfortable. A PECO technician can find the cause and recommend the right fix, whether that’s a simple furnace repair or an honest conversation about replacement.

Uneven Heat or Rising Heating Bills

When some rooms stay cold while others feel warm, or your heating bills keep climbing without a change in how you use your system, your furnace may not be running the way it should. Possible causes include a dirty filter, a weak blower motor, blocked or leaking ductwork, thermostat problems, or worn parts that make the furnace work harder. A furnace repair visit can find the cause and fix it, and routine heater maintenance helps keep your system running evenly and efficiently all season.

Burning, Smoky, or Gas Odors

A faint burning-dust smell when you first turn on your furnace is common. It comes from dust that settled on the furnace over the summer and usually fades once the system has run for a while. A burning plastic or rubber smell can mean an overheating blower motor or a wiring problem, which can be a fire risk. A smoky smell can point to poor combustion or a blocked vent pipe, which can push exhaust and carbon monoxide into your home. In either case, turn off the furnace and call us right away. If you smell gas, leave your home right away and call your gas company or 911 from outside. Once the area is safe, call us and we’ll handle the repair.

24/7 Emergency Furnace Repair in Clemson & Upstate SC

A sudden heating failure during a cold South Carolina winter is uncomfortable, and if the problem continues, it can become a safety concern for your family. When your heat cuts out during the week, on a weekend, or on a holiday, PECO Heating & Cooling provides emergency furnace repair across Clemson and the surrounding Upstate region.

When to Call for Emergency Service
Not every furnace issue needs a late-night visit, but call us right away if you notice any of these warning signs:

Complete Loss of Heat in Cold Weather: Indoor temperatures are dropping quickly while it's very cold outside.

Gas or Burning Odors: A rotten-egg smell can mean a natural gas leak. Leave your home right away and call your gas company or 911 from outside, then call us once the area is safe. For an electrical or burning smell from the vents, turn off the furnace and call us.

Carbon Monoxide Alarm Activation: If your CO detector goes off, leave your home right away, call 911 from outside, and then call our team.

Loud Screeching, Banging, or Metal Clanging: Sudden mechanical noises that can point to a broken blower wheel, failed belt, or damaged motor assembly.

Frequent Circuit Breaker Tripping: Repeated electrical trips that shut off power to your furnace or heat pump air handler.

Local Furnace Repair Across Clemson and the Upstate

Our technicians are local throughout Central, Clemson, Seneca, Easley, Anderson, and the surrounding Upstate. If you live in Pickens, learn more about our furnace repair in Pickens, SC. Every PECO home service hero is equipped with the tools, systems, and expertise to resolve most emergency calls on the spot. Our local team is standing by 24 hours a day, 7 days a week. Call the home service heroes now: (864) 639-2424.

Furnaces and Heating Systems We Repair

From gas furnaces to heat pumps, we diagnose and repair all makes and models of heating systems across Clemson and the Upstate SC region. Learn more about all of our heating services.

  • Gas furnaces
  • Electric furnaces
  • Heat pumps and dual-fuel systems
  • Thermostats and smart controls
  • Igniters and flame sensors
  • Blower motors and fan controls
  • Gas valves and burners
  • Heat exchangers
  • Pilot lights and ignition systems
  • Electrical and wiring faults

Repair or Replace? Honest Advice and Financing Options

If your furnace is older and the repair cost doesn't make sense, we'll tell you that. We'd rather give you honest advice than put money into a system that's going to let you down again next winter. If replacement is the better choice, we'll walk you through your furnace installation options without any pressure, and our HVAC financing options can help fit a new system into your budget.

Heater Maintenance with the PECO Comfort Club

Regular heater maintenance is one of the best ways to prevent furnace breakdowns. The PECO Comfort Club, our maintenance membership plan, keeps your HVAC, plumbing, and electrical systems running safely and efficiently. From preventative visits to priority service, we’ve got your home covered.

Save Money
  • 10% off repairs and parts year-round
  • No extra charges for after-hours or weekend calls
  • Waived diagnostic fees following a covered tune-up
  • Member-only discounts on emergency service

Priority & Convenience

  • Jump the line. Members get priority on every call.
  • We reach out to schedule your visits so you don’t have to remember.
  • Spring AC tune-up and fall heating tune-up included
  • Consultation if your system ever needs replacing
Total Peace of Mind
  • Proactive care that stops most breakdowns before they start
  • Lower energy bills from a system running at peak efficiency
  • Equipment that lasts longer and performs better
  • Written service records to protect your manufacturer warranty

Prevent future breakdowns with our Comfort Club maintenance plan. Learn more.

Discover the PECO Heating & Cooling Difference

By serving homeowners in the greater Upstate SC region for more than 20 years, we’ve earned the trust of the community one home at a time. Here’s what makes us different from the rest. 

See What Homeowners Are Saying

Providing the Best Furnace Repair Service to the Clemson, SC Community

Serving the region with high-quality service since 2002.

We proudly serve the Clemson, SC community with friendly, reliable, and fast HVAC, electrical, and plumbing installation and repair services in:

Call (864) 639-2424 or submit a service request online to schedule an appointment with a Home Service Hero. 

Schedule Furnace Repair

Don’t sit in the cold waiting for a callback. Call (864) 639-2424 or request service online. We’ll get your heat back on fast.

Furnace Repair FAQs

Yes. PECO Heating & Cooling is based in Central and provides furnace and heater repair in Clemson, Central, Powdersville, Salem, Easley, Six Mile, Seneca, Sunset, Anderson, Pickens, and surrounding areas. Call (864) 639-2424 to schedule service.

Yes. When your heat goes out during the week, on a weekend, or on a holiday, call (864) 639-2424 and we’ll send a technician to your home.

It depends on your furnace’s age and condition, how often it breaks down, and what the repair will cost. Our technicians will give you an honest recommendation and walk you through both options without any pressure. If replacement makes sense, financing options are available.

Leave your home right away and call your gas company or 911 from outside. Once the area is safe, call us at (864) 639-2424 and we’ll handle the repair.

Common causes include a thermostat fan set to “on” instead of “auto,” a clogged air filter, a dirty flame sensor, or an ignition problem. Check your thermostat setting and air filter first. If the problem continues, call us and a technician will find the cause and make the repair safely.

We recommend heater maintenance every fall, before the heating season starts. PECO Comfort Club members get a fall heating tune-up and a spring AC tune-up as part of their plan.