How Would I Know if My Electric Heater Is Broken? A Homeowner’s Guide

TL;DR:

If your electric heater is giving off odd smells, making strange noises, tripping the power, or simply not heating well—something’s wrong. These issues could be caused by age, internal faults, or wiring problems. To avoid safety risks, unplug it, check for visible damage, and contact a professional if needed.

Key warning signs:

• Weak or no heat output

• Burning smells or buzzing sounds

• Repeated circuit trips

• Visible damage or sudden shutdowns

👉 Rankins can assess and repair your heater—or help you upgrade to a safer, energy-efficient model if needed.

As winter settles in, your electric heater becomes a trusted ally for keeping your home warm and comfortable. But what happens when it starts acting up? Knowing the signs of a faulty electric heater can help you stay safe, avoid costly repairs, and ensure your home stays cosy all season long. In this guide, we’ll walk you through the common symptoms of a broken electric heater, what might be causing them, and what you should do next.

Common Signs Your Electric Heater Might Be Broken

Electric heaters are generally reliable, but like any appliance, they can develop problems over time. Here are some telltale signs that your heater might need attention:

No Heat or Weak Heat Output

If your heater isn’t producing heat—or if the warmth it provides is much weaker than usual—it’s a clear sign something isn’t right. This could be due to a faulty heating element, a tripped safety switch, or an issue with the thermostat.

Strange Noises

Unusual sounds like buzzing, rattling, or clicking can indicate loose components, a failing motor, or debris inside the unit. While some noise is normal, persistent or loud sounds should be investigated.

Unpleasant Odours

A burning smell when you turn on your heater is a red flag. This could be caused by dust burning off (which is common at the start of the season), but if the smell persists or is accompanied by smoke, turn off the heater immediately and unplug it. This could signal an electrical fault or overheating.

Frequent Tripping of Circuit Breakers

If your heater repeatedly trips the circuit breaker or blows fuses, it may be drawing too much power due to an internal fault. This is a safety issue and should be addressed promptly.

Visible Damage or Wear

Cracked casings, frayed cords, or loose connections are all signs that your heater needs repair or replacement. Never use a heater with visible damage, as this increases the risk of electric shock or fire.

Heater Turns Off Unexpectedly

If your heater shuts off on its own, it could be due to an overheating safety feature, a faulty thermostat, or an electrical problem. This is a safety mechanism, but if it happens frequently, it’s time to call in the experts.

What Causes Electric Heaters to Break?

Understanding the common causes of heater problems can help you prevent issues in the future:

• Age and Wear: Like all appliances, heaters have a limited lifespan. Older units are more prone to failure.

• Lack of Maintenance: Dust and debris can accumulate inside the heater, reducing efficiency and increasing the risk of overheating.

• Electrical Issues: Faulty wiring, loose connections, or voltage fluctuations can damage your heater.

• Thermostat Problems: A malfunctioning thermostat can cause your heater to overheat or not heat at all.

  
  

What Should You Do if You Suspect Your Heater Is Broken?

If you notice any of the warning signs above, here’s what you should do:

1. Turn Off and Unplug the Heater:

   Safety first! If your heater is making strange noises, emitting odd smells, or tripping circuits, turn it off and unplug it immediately.

2. Check for Simple Fixes:

   Sometimes, the issue is as simple as a tripped circuit breaker or a dirty filter. Check your home’s electrical panel and clean any accessible parts of the heater.

3. Inspect for Visible Damage:

   Look for frayed cords, cracks, or loose parts. If you find any, do not use the heater until it’s repaired.

4. Contact a Professional:

   For anything beyond basic troubleshooting, it’s best to call a qualified electrician or appliance repair technician. At Rankins, our friendly team is always ready to help diagnose and fix your heater safely.

   
   

Preventative Maintenance Tips

To keep your electric heater running smoothly and safely, follow these simple tips:

• Regular Cleaning: Dust and vacuum your heater regularly to prevent buildup.

• Annual Inspections: Have your heater checked by a professional at the start of each winter season.

• Use Surge Protectors: Protect your heater from power surges with a quality surge protector.

• Replace Old Units: If your heater is more than 10 years old, consider replacing it with a newer, more energy-efficient model.

  
  

When to Repair vs. Replace Your Electric Heater

Sometimes, it’s better to replace your heater rather than repair it. Consider replacement if:

• The heater is old and inefficient.

• Repairs are frequent or costly.

• You notice a significant increase in your energy bills.

• The unit shows signs of serious damage or electrical faults.

Rankins can help you assess your heater and recommend the best course of action, whether that’s a quick repair or a new, energy-saving model.

Stay Warm and Safe This Winter

Your electric heater is a vital part of your home’s comfort during the colder months. By knowing the signs of a faulty heater and taking prompt action, you can keep your family safe and your home cosy all winter long.

If you’re unsure about your heater’s condition or need expert advice, the team at Rankins is just a phone call away. We’re here to help you stay warm, safe, and comfortable—no matter how cold it gets outside.

Got heater troubles?

Contact Rankins today for fast, friendly, and reliable service.

Call Us: +64800446038

Email: Reception@rankins.co.nz

Rankins Electrical: Powering Auckland’s properties with safety, reliability, and a smile.