100-Watt vs 150-Watt Heated Towel Rail: Running Cost Compared
A 150-watt heated towel rail costs $1.05 more per month than a 100-watt heated towel rail ($12.78 per year), assuming 4 hours a day at $0.175/kWh. Per hour the difference is $0.009.
Side by side
| 100-watt Heated Towel Rail | 150-watt Heated Towel Rail | |
|---|---|---|
| Power | 100 W | 150 W |
| Hours per day | 4 | 4 |
| Cost per hour | $0.018 | $0.026 |
| Cost per day | $0.07 | $0.105 |
| Cost per week | $0.49 | $0.735 |
| Cost per month | $2.10 | $3.15 |
| Cost per year | $25.55 | $38.33 |
| Energy per year | 146 kWh | 219 kWh |
Based on $0.175 per kWh (US average).
Which should you choose?
Higher wattage does not always mean more heat or output per dollar, and it does not always mean it runs longer. A bigger unit may reach the target temperature faster and then cycle off. Compare size to your room or job before you decide.
Want your own numbers? Open either calculator and enter your hours and rate: 100-watt Heated Towel Rail or 150-watt Heated Towel Rail.