How many watts infrared heater do I need?

Author: Mr. Waylon Kovacek  |  Last update: Sunday, October 26, 2025

Heating Requirement: Determine the wattage needed based on the room's size and insulation. Typically, infrared heater panels require around 50-60 watts per square metre in a well-insulated room. For poorly insulated spaces, this may increase to 70-80 watts per square metre.

What size room will a 1500 watt infrared heater heat?

As a rule of thumb it will require about 10 watts for every square foot. So the 1500 watt will usually heat up to 150 square feet. Heating question - trying to understand what size heater to ... I am trying to understand in layman terms what this actually ...

How much does a 700 watt infrared heater cost to run?

Say you have the 700w Ecostrad Accent iQ wall panel and you want to run it for 6 hours a day. Using a DIY calculation, you can work out the approximate running cost for a day's use, taking into account that it might only need to use a third of its full wattage: 0.7kW x 6 hours = 4.2kWh. 4.2kWh x 34p = £1.43.

Do infrared heaters burn a lot of electricity?

But don't worry, infrared heaters are incredibly efficient. They're designed to keep a space warm while using as little electricity as possible.

Is it cheaper to run an infrared heater than the furnace?

Infrared heater energy consumption is much less than other forms of heating systems due to their direct method of transferring heat, as outlined earlier. As a result, you can expect your energy bills to be significantly lower over traditional electric or gas heaters.

Infrared heater efficiency -- how much is radiated infrared?

Can you leave an infrared heater on 24/7?

Infrared panels are suitable for all-day heating.

The gradual build-up of heat ensures a comfortable environment, allowing them to be left on for extended periods without making a room feel stuffy.

Are infrared heaters cheaper to run than electric heaters?

Infrared heaters are very cost effective to run because their long-lasting heat allows them to keep spaces warm using less energy. This is, in fact, key to why their running costs are so low.

What is the cheapest space heater to run?

Conclusion. So, after looking at the different types of electric heaters available, due to its lower power-output, halogen heaters are the cheapest electric heaters to run. Shop our range of Halogen Heaters here .

What is the difference between 750 watts and 1500 watts?

750 watts works well for a small office, small bedroom, or bathroom. 1000 watts should warm up large bathrooms, small living rooms, or a small room. 1500 watts will heat spaces up to about 150 square feet and can help you stay warm and toasty in a medium-sized room, office, kitchen, or modest-sized living room.

How efficient is a 1500-watt infrared heater?

In terms of electricity, infrared heaters actually use less energy than other space heaters; the cost depends on the wattage and hours used per day. For example, a 1,500-watt infrared heater used 10 hours a day can cost around $60 a month (based on 13 cents per kilowatt hour).

What size heater do I need for a 12x12 room?

The first technique is to simply figure the square footage of the space you want to heat. In warmer climates, multiply this number by 10 - 15. In more moderate climates, multiply by 20 - 30. And in cold climates multiply the square foot number by 30 - 40.

How do I choose an infrared heater?

✓ Calculate the room's volume by multiplying its height, width, and length. Multiply this by the recommended watts per cubic metre to determine the ideal infrared heater size for your space. ✓ Be sure to consider the unique characteristics of a room – an awkward layout or lots of windows might require a higher wattage.

Can you run an infrared heater all day?

To give you the quick answer, the majority of good infrared heating panels are designed with safety and efficiency in mind, allowing them to be left on throughout the day without major safety issues or costing you a small fortune.

Do infrared heaters raise your electric bill?

Used in conjunction with your current heating system, stand-alone infrared heaters can reduce your home heating bills by as much as 50 percent because you can turn down the thermostat for the whole house, then supplement as needed with infrared.

How many watts do infrared heaters use?

Heating Requirement: Determine the wattage needed based on the room's size and insulation. Typically, infrared heater panels require around 50-60 watts per square metre in a well-insulated room. For poorly insulated spaces, this may increase to 70-80 watts per square metre.

What are the side effects of infrared heating?

Near IR can be harmful to the eyes because it penetrates as far as the cornea (Voke, 1999). Uncontrolled, frequent, or long-term exposure to Near Infrared can also cause thermal burns and ageing effects such as “Bakers Arms” or “Glassblowers Face” (Cho & others, 2009).

Are ceramic heaters better than infrared heaters?

Quartz infrared heaters offer very fast heat-up and cool down times. Ceramic heaters, however, require more time to heat circulating air and warm up the room via convection. Quartz heaters can be used to create quieter heating equipment as in most cases air movement from noisy convection blowers is not needed.

Are infrared heaters safe to run all night?

The good news is that modern infrared heaters are very safe to use even when left unattended during the night, even while you are sleeping.

Why is infrared heating not popular in the USA?

The upfront cost of installing infrared heating can also be a deterrent for some homeowners. While infrared heating panels are competitively priced when compared to installing boilers or central heating systems, people may still see them as more expensive than traditional convection heaters or electric radiators.

How long does it take an infrared heater to warm a room?

Infrared panels offer a different heating experience to many traditional methods. As their use isn't widespread (just yet at least), you may be curious to know how long it takes these panels to warm up and heat a room. In most cases, they are very quick to warm up and can reach full temperature in less than 10 minutes.

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