Do Infrared Heaters Use a Lot of Electricity Compared to Other Heaters?

Infrared heaters generally use less electricity than many other space heaters because they heat objects and people directly instead of warming the air. Most models range from 300 to 1,500 watts, costing around $0.05–$0.20 per hour depending on power level and electricity rates, making them more efficient in targeted heating.

How Much Electricity Do Infrared Heaters Use?

Infrared heaters typically consume between 300 watts (small panels) and 1,500 watts (standard portable models). On average, using a 1,500W infrared heater for one hour costs:

• At $0.12 per kWh → about $0.18/hour
  
  

• At $0.20 per kWh → about $0.30/hour
  
  

Compared to central heating systems, which can consume several kilowatts, infrared heaters provide focused warmth while keeping costs relatively low.

Infrared Heaters vs. Other Common Heater Types

When comparing heater efficiency, it’s important to look at wattage draw, heating method, and real-world cost. Below is how infrared heaters stack up against other popular options:

1. Space Heaters (Fan-forced)

• Wattage: 1,500W typical
  
  

• Works by heating air and blowing it around.
  
  

• Costs about the same per hour as infrared but loses efficiency in drafty spaces.
  
  

2. Ceramic Heaters

• Wattage: 1,000–1,500W
  
  

• Uses ceramic elements and a fan.
  
  

• Similar cost per hour, but warm air dissipates quickly once turned off.
  
  

3. Oil-Filled Radiator Heaters

• Wattage: 600–1,500W
  
  

• Slow to heat but retains warmth longer.
  
  

• More energy-efficient over time if left running continuously.
  
  

4. Infrared Heaters

• Wattage: 300–1,500W
  
  

• Heat objects and people directly.
  
  

• Feels warmer faster and wastes less energy on unused space.
  

Comparison Table: Infrared vs. Other Heaters

*Based on $0.12–$0.20 per kWh

Factors That Affect Real-World Energy Consumption

Even with similar wattage, how much electricity you use depends on several conditions:

• Room Size – Larger rooms need higher wattage or multiple heaters.
  
  

• Insulation Quality – Poorly insulated spaces lose heat quickly, requiring more runtime.
  
  

• Usage Time – Short, targeted heating favors infrared, while long, continuous use may suit oil-filled heaters.
  
  

• Thermostat Settings – Lowering temperature just a few degrees significantly cuts costs.
  
  

• Placement – Infrared heaters aimed at occupied areas maximize efficiency.
  

Pros and Cons of Infrared Heaters

Pros:

• Energy-efficient for targeted heating
  
  

• Instant warmth without preheating air
  
  

• Silent operation (no fans)
  
  

• Healthier heating – doesn’t dry the air as much
  
  

• Portable and compact designs available
  
  

Cons:

• Limited effectiveness in large or open spaces
  
  

• Heat stops immediately once switched off
  
  

• Less suitable for whole-house heating
  
  

• Surfaces directly in front may get very warm
  

Do Infrared Heaters Really Save Electricity?

Overall, infrared heaters do not necessarily use less electricity per watt than other heaters—a 1,500W heater will always draw 1.5 kWh per hour regardless of type. The real advantage comes from efficiency in converting energy into usable heat. Because they warm people and objects directly, infrared heaters often run for shorter periods to achieve the same comfort level, meaning lower overall electricity bills in many scenarios.

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Conclusion

Infrared heaters don’t inherently consume less power than other heaters, but their direct, targeted heat delivery makes them more efficient in practical use. Compared to fan-forced and ceramic heaters, they can reduce energy waste in small or medium-sized rooms. For continuous heating of larger spaces, oil-filled heaters may perform better. In most real-world situations, infrared heaters use less electricity overall because they heat only what you need, when you need it.

Electricity usage is just one part of the picture—our full guide covers both efficiency and overall running costs of infrared heaters.

FAQ: Infrared Heater Electricity Use

1. Are infrared heaters cheaper to run than space heaters?
Yes, they often feel warmer faster, meaning they run less and save money.

2. How many hours can I run a 1,500W infrared heater for $1?
At $0.15 per kWh, about 6–7 hours.

3. Do infrared heaters work well in large rooms?
They work best in smaller, insulated rooms or for spot heating.

4. Can infrared heaters replace central heating?
No, they’re best for supplemental or zone heating.

5. Do infrared heaters use power when off?
No, they only consume electricity while switched on.