Introduction 🔧🔥
When your furnace isn’t working properly, it can leave you cold—literally. From no heat to strange noises, most furnace issues stem from a handful of common causes. Knowing how to troubleshoot these problems can help you restore comfort quickly and avoid costly repairs. Here's a breakdown of frequent furnace issues and how ANG Heating and Air Conditioning can help you fix them fast.
Common Furnace Problems and Solutions
- Furnace Won’t Turn On
Possible causes: Tripped breaker, faulty thermostat, dirty filter, or ignition failure.
👉 ANG Heating and Air Conditioning can inspect your electrical system, thermostat wiring, and ignition components to get your furnace running again.
- Furnace Blows Cold Air
Possible causes: Thermostat set to “fan,” dirty filter, ignition failure, or overheating.
👉 We’ll reset your thermostat, replace filters, and inspect ignition systems to restore proper heat output.
- Short Cycling (Turning On and Off Quickly)
Possible causes: Dirty filter, thermostat issues, overheating, or incorrect system size.
👉 Our technicians can clean filters, recalibrate thermostats, and assess system sizing to prevent short cycling and improve efficiency.
- Noisy Furnace (Banging, Whining, or Rattling)
Possible causes: Loose parts, worn bearings, dirty burners, or airflow blockages.
👉 We’ll tighten components, replace worn parts, and clean burners to eliminate disruptive noises.
- Furnace Not Producing Enough Heat
Possible causes: Dirty filter, blocked vents, thermostat settings, or duct leaks.
👉 ANG Heating and Air Conditioning can replace filters, open vents, and seal ductwork to restore consistent heating.
- Pilot Light Keeps Going Out (Older Models)
Possible causes: Dirty pilot orifice, faulty thermocouple, or gas supply issues.
👉 We’ll clean the pilot assembly, replace thermocouples, and inspect gas flow to keep your furnace lit and reliable.
- Ignitor Won’t Light (Newer Models)
Possible causes: Broken ignitor, dirty flame sensor, or control board malfunction.
👉 Our team can clean flame sensors, test ignitors, and repair control boards to restore ignition.
- Thermostat Not Responding
Possible causes: Dead batteries, faulty wiring, or outdated model.
👉 We offer battery replacements, wiring inspections, and smart thermostat upgrades for better control and reliability.
- Frequent Tripped Breakers or Blown Fuses
Possible causes: Overloaded circuit, shorted wires, or faulty blower motor.
👉 Our licensed technicians can diagnose electrical faults and repair or replace damaged components safely.
- Water Leaking Around Furnace
Possible causes: Clogged condensate drain, broken pump, or loose tubing.
👉 We’ll clear drain lines, inspect pumps, and reseal tubing to stop leaks and prevent water damage.
Conclusion 🏡✨
Most furnace problems can be resolved with expert diagnostics and timely repairs. Whether it’s a quick fix or a deeper issue, ANG Heating and Air Conditioning is here to restore warmth and peace of mind.
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