The heat is quietly and evenly distributed throughout the intended space. Nearly - but is is Joules that you are after, not Watts. These calculators allow you to input not just the size of the space but also other details such as the number of passages (doors) and windows in the room, insulation, and height of the space. Do space heaters use a lot of electricity? Heat-transfer as result of temperature difference alone is referred to as heat flow. The weight per cubic foot of air (0.075 lbs) is needed to convert between the air volume and weight. 1W = 3.412141633 BTU/hr . Once the oil becomes hot enough, it, in turn, begins to release some of the heat to the surrounding air. Sengoku 150-watt Under Desk Mini Panel Electric Space Heater, 2. Although they only make up 8% of a typical home, they are responsible for 25% of heat loss. Always check for the Medium and Low power ratings too before making a decision to purchase. Amaze-Heater Under Desk Leg Warmer, 100 Watt, 120... Lasko Heating Space Heater, Compact, White. 104 0 obj <>/Filter/FlateDecode/ID[<50D0DCD59C8F714FA52D9897C079CC5C>]/Index[87 47]/Info 86 0 R/Length 87/Prev 100243/Root 88 0 R/Size 134/Type/XRef/W[1 2 1]>>stream That’s why you’ll see a range for the wattage of air conditioners with same BTU number: As you can see from the table above, a 12,000 BTU air conditioner can use 1500W (8 EER rating) or 1000W (12 EER rating). So, the next step is to convert the wattage value in step #2 above into BTU. NewAir G73 Hardwired Electric Garage Heater, 3. Once you know the power rating of the heater, the only other thing you need to understand is your state’s power charges. So, if you want to heat a room approximately 500 square feet, then we have compiled a list of the best space heaters for 500 square feet. 1 kilowatt hour (1kWh) = 1000watt power for 3600seconds, Energy = power x time. Which color occurs first after the central max. Heating a room with just the space heater is less costly. (7-Step Cycle), How Much Does It Cost To Run A Dehumidifier? So, you should be shopping in the 17,000 BTU range. (Simple 2-Step Principle). And it’s ideal for spaces up to 36 square feet. One watt equals approximately 3.41 BTUs. The heaters are incredibly safe. It plugs into the standard 120-volt outlet. When you have multiple space heaters in the home, the appliances can consume significant amounts of power. On the contrary, you need even more convenience features to get the most out of the unit. The unit’s safety features include an automatic shutoff timer and cool-to-touch exterior. Things like the amount of electricity and how much wattage the heater requires determines how efficient the appliance will be in your home. If you’re in a hurry, it would be best to let a home heating professional help with the matter. When you’re only looking to heat a small space, a low-wattage heater would be a cost-effective investment. Most heaters are rated in watts. Windows make up approximately eight percent of a typical home, but are responsible for up to 25 percent of its heat loss. One (1) kWh = 1,000 Wh. An object’s R-value measures its degree of thermal resistance. Duraflame 9HM9126-0142 Infrared Quartz Heater, 5. Green-Power America GPD1500 1500W would be an excellent choice for that.