This time of year we get a steady stream of calls from offices dealing with tripped breakers. Nine times out of ten, the culprit is the same thing: someone has plugged a big box store ceramic space heater under their desk to warm their feet, and now half the office has lost power.
It’s a completely understandable impulse: the thermostat is set for the whole building and your corner of the office is freezing. But these heaters cause real problems, and there are better options worth knowing about.
The Problem With Plug-In Space Heaters
Those ceramic fan heaters you’ll find at Canadian Tire, like this 1500W portable model, are popular for under-desk use. The downside is that they draw a massive 1500 watts. For reference, a typical office circuit runs at 120 volts and 15 amps, giving you ~1800 watts of capacity to work with. That sounds like plenty until you add it up:
| Device | Approximate Draw |
|---|---|
| Desktop computer | 300W |
| External monitor | 25–40W |
| USB hub | 2–5W |
| Phone charger | 5–15W |
| LED desk lamp | 8–15W |
| Inkjet printer | 30–50W |
| Subtotal before heater | ~370W |
| Ceramic space heater | 1500W |
| Total | ~1870W |
| 15-amp circuit capacity | 1800W |
| Over capacity by | ~70W |
As you can see, the space heater eats up most of the breaker’s capacity. Plug one of those in alongside your usual workspace items and you’re asking a 15-amp breaker to do the work of two. It’s going to trip, and it’s going to keep tripping until that heater gets unplugged. Breakers are designed to protect the wiring in your walls, and when you push past their rated capacity, they do exactly what they’re supposed to do: they trip. The problem isn’t the breaker. The problem is the heater.
A Better Approach: Radiant Heating
Our preference is always a hardwired solution, and for supplementary office heat, a ceiling-mounted radiant panel is hard to beat. Ouellet makes a solid unit (the ORP series) that mounts directly into the ceiling to provide focused warmth to a specific area without taking up any floor or desk space. It’s completely out of the way, it runs on its own dedicated circuit, and nobody can accidentally kick it over, block its airflow, or pile things on top of it. Once it’s installed, it’s just there, doing its job quietly in the background. Depending on panel size, they consume between 250W to 750W.
The other significant advantage of radiant heating is how it actually heats. A fan-forced element heater like those ceramic units works by heating the air in the room and then blowing that warm air around. This is fine in theory, but in a large open office with high ceilings, a lot of that warm air just rises straight up and stays there. Radiant heating works differently: it warms surfaces and people directly through infrared radiation, the same basic principle as standing in a patch of sunlight on a cold day. The air temperature in the room might not change much, but you feel noticeably warmer because your body and your desk and the floor around you are absorbing that radiant heat directly. For someone sitting at a workstation in a chilly corner of an office, that difference is very real.
Ceiling-mounted panels also give you precise control over which areas of a space get supplemental heat. Rather than trying to warm the whole room with a floor unit and losing most of that heat to the ceiling, you can position the panel directly above the area that needs it. That’s more efficient, more comfortable, and in the long run, cheaper to operate.
When Plug-In Is the Only Option
Sometimes hardwiring isn’t an option: maybe you’re in a leased space where you can’t modify the electrical, or the budget for a proper installation just isn’t available right now. In that case, a low-wattage radiant panel is a much smarter plug-in alternative to a ceramic heater. The Amaze-Heater 600W panel is one we’d point people toward: it draws only 600 watts, less than half the load of a typical ceramic heater, and it includes a built-in thermostat so it isn’t running flat-out all day. Plug that into the same circuit as your computer and desk accessories and you’re well within a safe operating range.
It still uses radiant technology rather than a fan and heating element, so you get the same benefit of direct warmth rather than just heating the air around you. It’s not as elegant a solution as a hardwired ceiling panel, but it’s a responsible middle ground.
The Bottom Line
If your office is regularly tripping breakers this winter, consider going with radiant heat. A ceiling radiant panel installed on a dedicated circuit is a one-time investment that will last for decades, runs quietly with no moving parts to wear out, and eliminates the safety concerns that come with portable units left running unattended under desks.
Give us a call if you’d like to talk through the right solution for your space. Every office is a bit different, and we’re happy to take a look and give you an informed answer on the best solution for your requirements.
