We're dedicated to our customers! Insulated Closed space. BTU Calculator. Within the tool you’ll find our Heat Loss & BTU Calculator, which helps you calculate the BTU (British Thermal Unit) that you require to effectively heat your room. Free shipping on orders over $99 Your Zip: ... * Free slots for orders with water heaters, boilers and other bulky items only * Available in select areas of . With a 3 hour design reheat time, this means about 9,000 BTU per hour. Boiling time of water can be calculated with the volume, energy, efficiency, start and end temperature. Sign in . To do so, we divide the BTU/hour by a constant of 33,475. Water weighs 8.33 pounds per gallon so we can calculate that one gallon of water requires 8.33 BTU to raise the temperature 1ºF. Calculating the BTU for each room size is essential for maintaining energy efficiency in your home. 1W = 3.412141633 BTU/hr . When calculating BTU’s required for an entire home, the calculation must include the “worst case scenario”. The power conversion of kW to BTU IT /hr is given by the formula: P (BTU/hr) = 3412.142 ⋅ P (kW) Example. A British Thermal Unit (BTU) is the measure of energy required to heat 1 pound of water 1 degree Fahrenheit. A BTU describes the energy content or heat value of fuels. It is worth it to correctly calculate the BTU value needed to heat up a room. According to the above formula, BTU meter integrates the cooling or heat consumption. Let’s start with the basics - A BTU (or British Thermal Unit) is a traditional unit of heat which can be defined as the amount of energy required to heat 1lb of water up by 1 degree Fahrenheit. If … BTU Calculator. It is approximately the amount of energy needed to heat one pound of water by one degree Fahrenheit. Desired indoor temperature. h total = total heat load (btu/hr, W) h surface = heat loss from pool through the surface - mainly evaporation of water (btu/hr, W) h heat-up = heat load required to increase the pool temperature (btu/hr, W) Heat-Up Load. Our BTU calculator provides you with two measurements – BTU/hr and Watts required. The BTU/hour to Boiler Horsepower calculator is used to help size both steam and hot water boilers. The output specific heat is given as kJ/(kmol*K), kJ/(kg*K), kWh/(kg*K), kcal/(kg K), Btu(IT)/(mol*°R) and Btu(IT)/(lb m *°R) Note! Boiling point of water is considered to be 100 °C or 212 °F. Using this calculator, as well as providing information about which style of radiator you desire and the space you have available, you can instantly find radiators that will suit your needs. Your room will require approximately 0 BTU's/hour. Enter your room details below, along with a name, and save it to your Wish List to keep it for easy reference. Enter the power in kilowatts and press the Convert button: Enter power in kilowatts: kW : BTU/hr result: BTU/hr: How to convert kW to BTU/hr. Width. Air conditioners and heaters use units of BTU … Enter your room dimensions in: Metres Feet . Chat. British Thermal Units (BTUs) are a unit of measurement by which the heat output of radiators can be determined. Does your room have French windows? Example: 150 British Thermal Units is equal to the amount of energy used to raise the temperature of 150 pounds of water 1-degree Fahrenheit. Put, the higher the BTU output, the hotter the radiator or heated towel rail is going to be. How to Size Hot Water Baseboard Heaters Measure the height of the room, the width of the room and the length of the room. It’s been developed by fireplace industry experts. 1 Ton = 25 … To calculate your BTU, all you need is a tape measure or laser measurement tool. BTU stands for British Thermal Units and is a unit of measurement for energy. The heat-up load depends on the volume of the pool. These are the only two measurements you will need, and the two measurements that you will find reported for every radiator in our online store. Browse Shop by Department . What are BTUs? British Thermal Units (BTU) measure heat output from radiators. Temperature must be within the ranges 0-370 °C, 32-700 °F, 273-645 K and 492-1160 °R to get valid values. By 1°F, showers and baths without a loss of pressure, this means about 9,000 BTU per,... Heat-Up btu calculator water depends on the volume of the Space to heat 1lb of water 1 degree at! One BTU of energy its boiling point of water from 39°F to 40°F or British Thermal Units and a. Size is essential for maintaining energy efficiency in your home the calculation must include the “ case. In a room by 25 BTUs to determine the rough estimate of BTU requirements for the has... Takes to heat one pound of water can be calculated as: V = 7.5 l W (... 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