We're dedicated to our customers! The BTU/hour to Boiler Horsepower calculator is used to help size both steam and hot water boilers. Submersible Water Pumps and Electric Water Pumps; Petrol and Diesel Powered Water Pumps; Water Pump Hose, Layflat Hose and Water Hose Reels; Clean. Bedroom. Depending on their functions, dimensions, wall materials and the number and size of their windows, some rooms in your home will require more heat than you might expect ENERGY SOURCE BTU PER HOUR. Email. The amount of energy that is needed to either cool or heat one pound of liquid water one degree Fahrenheit at a constant pressure of one atmosphere. This calculation translates the heat transfer input requirement to BHP. By using our BTU calculator you can establish your Watt / BTU outputs required for a particular room to ensure that your room(s) will be heated comfortably and efficiently. We recommend that you install either a system or conventional boiler with a central heating output of 35 - 42kW. The volume can be calculated as: V = 7.5 l w d (2) where. Boiling time of water can be calculated with the volume, energy, efficiency, start and end temperature. 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. The power P in BTUs per hour (BTU/hr) is equal to 3.412141633 times the power P in watts (W): P (BTU/hr) = 3.412141633 × P (W) So. Enter your room dimensions in: Metres Feet . With a 3 hour design reheat time, this means about 9,000 BTU per hour. Put, the higher the BTU output, the hotter the radiator or heated towel rail is going to be. Hello. Calculate The Size Of Your Radiators Using A BTU Calculator A quick and easy way to calculate the size of the radiator required for any room in your house is by measuring the room in cubic feet and then entering the information into a BTU (British Thermal Units) calculator found at the base of this page or using the table below to estimate the total BTU’s required to correctly heat your room. £0.00 (inc. VAT) Choose Your Delivery Date . 1 Pound = 10,000 – 15,000. Enter your room details below, along with a name, and save it to your Wish List to keep it for easy reference. 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 or Heating is the process of rapid vaporization of the liquid to reach its boiling point. Extra Factors: Is your room North facing? One is roughly equal to 1,055 Joules. BTU is the standard measurement when it comes to choosing the radiator size and style. Your room will require approximately 0 BTU's/hour. Once you’ve inputted the height, width, length and other details about your room, simply click calculate and you’ll have your required BTU (measured at Delta-T 50°C). BTU CONTENT OF FUELS . Desired indoor temperature. To calculate your BTU, all you need is a tape measure or laser measurement tool. Insulated Closed space. BTU/hr. Calculate your heating needs using our specialised BTU Calculator to help you to choose the perfect Space heater for your building. It is extremely important to know the exact BTU of the radiator you require to keep your house warm. BTU/hr to watts conversion calculator How to convert watts to BTU/hr. Difference 0. BTU's Required. A hot water cylinder can supply enough hot water for multiple taps, showers and baths without a loss of pressure. BTU stands for British Thermal Units and is a unit of measurement for energy. This gives you an indication of how many BTUs are required to heat a room, and in turn the specific radiator size that is required. 0333 202 5981 . Some rooms will need more heat, and others less; it depends on the size of the room, its function, and the number & type of windows in the room. Doors and windows installed. BTU, or British Thermal Unit, is a unit used to measure energy requirements for thermal regulation. A single BTU value is determined by the amount of energy needed to raise 1 pound of water above sea level by 1oF, and is a calculation recognised around the world. A BTU describes the energy content or heat value of fuels. The BTU (British Thermal Unit) is a standard measure used for rating the energy output of appliances (such as heating and cooling systems) and for measuring energy consumption. Plumbing & Heating Supplies. Please note, this is a guide only. Another point worth mentioning. British Thermal Units (BTUs) are a unit of measurement by which the heat output of radiators can be determined. Boiler BTU Calculator - Boiler Sizing Calculator - Boiler Sizing - Boiler BTU Calculator. When calculating BTU’s required for an entire home, the calculation must include the “worst case scenario”. 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. It’s been developed by fireplace industry experts. 1 Ton = 25 … This constant represents water being converted to steam, which is 34.5 pounds of water multiplied by 970.3 BTU/lb, or latent energy. This is the standard measurement of heat output needed to heat any structure, therefore can measure radiator power. You will see BTU used when referring to the amount of heat output a radiator emits to increase the heat in a room. Feel free to use our BTU calculator below. British Thermal Units (BTU) measure heat output from radiators. Select your room type: Dining room / Lounge / Bathroom. If … If you took one pound of water and raised its temperature by one degree Fahrenheit, you would have used one BTU of energy. = Gallons per hr x 8.33 x ?T°F; Calculate tons of cooling capacity Tons = BTU/hr. A higher BTU value means the radiator has a higher heat output. It is approximately the amount of energy needed to heat one pound of water by one degree Fahrenheit. 3. What are BTUs? How to Size Hot Water Baseboard Heaters Measure the height of the room, the width of the room and the length of the room. Login . Calculate your room's BTU requirement. Length. Text. One BTU is equal to the energy needed to increase the temperature of one pound of water by one degree Fahrenheit. According to the above formula, BTU meter integrates the cooling or heat consumption. As such, BTU provides a quick reference for the radiator output. A BTU or British thermal unit is a unit of energy. Operation of BTU Meter. Outdoor temperature. The BTU Calculator. When the water or other liquid passes through the pipeline, the flow meter measures the instantaneous flow rate and sends it to the BTU meter then the temperature sensor measures the return pipe temperature and supply pipe temperature and also sends it to BTU meter. 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. Insulation factor Calculate the insulation factor of the space to heat. It is worth it to correctly calculate the BTU value needed to heat up a room. Watts to BTU/hr conversion calculator. Here, we will be dispelling the mystery behind the elusive BTU measurement and how you can use our BTU calculator to find out which radiator(s) will be perfect for your home! Kilowatts (kW) to BTU/hr conversion calculator. 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. A specific radiator's heat output is measured in BTUs to work out the amount of energy required to heat one pound of water by one degree Fahrenheit. Heating BTU Calculator When shopping for heaters, many people make the mistake of choosing the wrong size for their actual needs. Search . Calculate Temperature Differential (?T°F) ?T°F = Incoming Water Temperature (°F) - Required Chill Water Temperature; Calculate BTU/hr. BTU Calculator 1. Customer Service. Temperature difference factor 0. 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. or check out our Support Center. 1BTU/hour is equal to 0.293 watt. Temperature must be within the ranges 0-370 °C, 32-700 °F, 273-645 K and 492-1160 °R to get valid values. 1 BTU is equivalent to 1055 joules. Our BTU calculator is the best there is for fireplaces, stoves and inserts. What is a BTU? Calculating the BTU for each room size is essential for maintaining energy efficiency in your home. Air conditioners and heaters use units of BTU … One BTU is the amount of heat energy required to raise one pound of water by 1ºF. BTU . The exact time needed to change the pool temperature will vary based on evaporation rate, convection losses, thermal radiation losses … A BTU is the measurement used to represent the amount of energy needed to heat one pound of water (roughly a pint) by one degree fahrenheit at sea level. Example. Enter the power in watts and press the Convert button: Enter power in watts: W : BTU/hr result: BTU/hr . Sign in . By considering the dimensions, the windows and the type of room – this measurement can be used to work out how much energy is required to heat the room to a standard temperature (ranging between 18oc to 23oc). 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 . Your Account . A British Thermal Unit (BTU) is the measure of energy required to heat 1 pound of water 1 degree Fahrenheit. Height. Basket . A system boiler includes a hot water storage cylinder, whereas a regular boiler includes a cylinder and cold water tank. BTU Calculator. COAL. One BTU is the amount of energy it takes to heat one pound of water by one degree Fahrenheit at sea level. Does your room have double glazing? Given all the different options available for heaters –– space, vented, gas, console, and more –– narrowing down the choices can be a great way to ensure that you are choosing the best option. Outdoor temperatures, external walls, insulation, heated adjacent rooms (i.e. Kilowatts (kW) to BTU IT per hour, power conversion calculator. Multiply the cubic footage of a room by 25 BTUs to determine the rough estimate of BTU requirements for the room. Mon-Fri 8:30-5pm . Number of square feet Calculate the number of square feet to heat. The minimum output is the most important number here. A BTU is approximately the energy required to heat 1lb of water from 39°F to 40°F. Boiling point of water is considered to be 100 °C or 212 °F. Call . 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. A British Thermal Unit (BTU) is a measurement of heat energy. To do so, we divide the BTU/hour by a constant of 33,475. Width. Water Cylinder Size 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. As 1 gallon of water needs 10 BTU to raise it through 1°F, a 26 gallon tank of cold mains water needs 26,000 BTU to raise its temperature to the required level. BTU Calculator. Add 25 BTU per cubic foot if your home has moderate to fair insulation. Does your room have French windows? Chat. To figure out how much heat you need from your radiator, you can use our handy calculator. BTU Calculator. The British Thermal Unit (BTU) is the amount of energy needed to heat a single pound of water by 1°F. 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. Our BTU calculator provides you with two measurements – BTU/hr and Watts required. Kitchen / Common Area. Call. 1W = 3.412141633 BTU/hr . 1 kW = 3412.142 BTU/hr. BTU stands for British Thermal Unit. A radiator with insufficient output may never raise the temperature to that required. This calculator is approximate because it doesn’t account for the many factors that impact heat loss in the swimming pool. The power conversion of kW to BTU IT /hr is given by the formula: P (BTU/hr) = 3412.142 ⋅ P (kW) Example. BTU stands for British Thermal Unit, and is the standard way to work out how much heat output is required to keep your room warm. Browse Shop by Department . Water Heating Time Calculator. Well insulated Enclosed space. 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