To determine water heating costs, multiply the energy used by the cost per unit of energy. This helps estimate expenses for heating water with different systems, such as electric, gas, or propane heaters. Mathify Mathify.academy Water Heating Cost Calculator Enter any 2 values to calculate the missing variable Total Energy Required to Heat the Water…
To determine the efficiency of a water heater, multiply the mass of water heated by the specific heat capacity and temperature difference, then divide by the total energy input and multiply by 100. This helps evaluate how effectively energy is converted into usable heat. Mathify Mathify.academy Water Heater Efficiency Calculator Enter any 3 values to…
To determine ventilation heat loss, multiply 0.33 by the air change rate, building volume, and temperature difference. This helps assess energy loss due to air exchange in a space. Mathify Mathify.academy Ventilation Heat Loss Calculator Enter any 3 values to calculate the missing variable Air Exchanges Per Hour Volume of Room m³ ft³ Change in…
To calculate the total energy required to heat water, multiply the mass of the water by its specific heat capacity and the temperature change. This formula helps determine the energy needed for heating water in various applications. Mathify Mathify.academy Total Energy to Heat Water Calculator Enter any 3 values to calculate the missing variable Mass…
To determine heat flux, multiply the thermal conductivity by the temperature gradient and divide by the material thickness. This helps evaluate heat transfer efficiency in various materials. Mathify Mathify.academy Thermal Conductivity Calculator (Heat Flux) Enter any 3 values to calculate the missing variable Thermal Conductivity W/m·K BTU/(ft·h·°F) Change in Temperature (ΔT) K °C °F Change…
To determine superheat, subtract the saturation temperature from the measured coil temperature. This helps HVAC professionals optimize refrigerant charging for efficient system performance. Mathify Mathify.academy Superheat Calculator Enter exactly two values to calculate the missing variable Compressor Temperature °F °C Saturation Temperature °F °C Superheat °F °C Calculate Reset Show Calculation Steps ▼ A superheat…
To determine the specific heat, divide the heat energy by the product of mass and temperature change. This helps calculate how much heat is required to raise the temperature of a substance. Mathify Mathify.academy Specific Heat Calculator Enter any 3 values to calculate the missing variable Energy J kJ cal kcal BTU Mass kg g…
To determine the Sensible Heat Ratio (SHR), divide the sensible heat (qs) by the total heat (qt). This calculation helps assess the efficiency of an HVAC system by measuring how much of the total heat load is attributed to sensible heat versus latent heat. Mathify Mathify.academy SHR (Sensible Heat Ratio) Calculator Enter any 2 values…
To determine resistor heat dissipation, multiply the square of the current (I²) by the resistance (R) and the time (t). This helps calculate the thermal energy a resistor generates during operation. Mathify Mathify.academy Resistor Heat Calculator Enter any 3 values to calculate the missing variable Current Amps (A) MilliAmps (mA) KiloAmps (kA) Resistor Resistance Ohms…
To estimate relative heat gain (RHG), multiply the U-value of a window by 14 and add it to the solar coefficient (SC) multiplied by 200. This calculation helps evaluate the heat gained through windows, glass panels, or other building materials due to direct sunlight exposure. Mathify Mathify.academy Relative Heat Gain Calculator Enter any 2 values…
To determine the amount of radiant heat, multiply the surface area by the Stefan-Boltzmann constant and the temperature raised to the fourth power. This calculation is essential for designing radiant floor heating, hydronic systems, and radiant tube heaters. Mathify Mathify.academy Radiant Heat Calculator Enter any 2 values to calculate the missing one Radiant Heat W…
To determine the capacity of a plate heat exchanger, multiply the heat transfer coefficient by the surface area and the logarithmic mean temperature difference (LMTD). This calculation ensures optimal efficiency in heating and cooling applications across HVAC, industrial, and commercial systems. Mathify Mathify.academy Plate Heat Exchanger Capacity Calculator Enter any 3 values to calculate the…
To determine molar heat capacity, divide the heat energy (Q) by the product of temperature change (ΔT) and the number of moles (n). This calculation helps assess the energy required to raise the temperature of a substance per mole. Mathify Mathify.academy Molar Heat Capacity Calculator Enter any 3 values to calculate the missing variable Total…
To determine latent heat, multiply the mass (m) of a substance by its latent heat constant (L). This calculation helps measure the energy required for a phase change without a temperature change. Mathify Mathify.academy Latent Heat Calculator Enter any 2 values to calculate the missing variable Mass kg g lb Specific Latent Heat J/kg kJ/kg…
To determine the Heating Seasonal Performance Factor (HSPF), divide the total heat output (HO) by the energy used (EU). This calculation measures the efficiency of a heat pump over an entire heating season. Mathify Mathify.academy HSFP (Heating Seasonal Performance Factor) Calculator Enter any 2 values to calculate the missing variable Heat Output BTU kWh MJ…
To determine the heating rate, divide the temperature change (ΔT) by the time (t) taken for the heating process. This helps measure how quickly a substance reaches the desired temperature. Mathify Mathify.academy Heating Rate Calculator Enter any 2 values to calculate the missing variable Total Change in Temperature °C °F Total Time seconds minutes hours…
To determine heating energy, multiply the mass of the substance by its specific heat capacity and the temperature change. This calculation helps estimate the energy required to heat a material efficiently. Mathify Mathify.academy Heating Energy Calculator Enter any 3 values to calculate the missing variable Mass of Material to be Heated kg g lb oz…
To determine your heating bill, multiply the power consumption (P) by the usage hours (U), divide by 1000, and multiply by the cost of electricity (CE). This calculation helps estimate your monthly or annual heating costs based on electricity rates. Mathify Mathify.academy Heating Bill Calculator Enter any 3 values to calculate the missing variable Heater…
To determine the heater size, multiply the length (L), width (W), and height (H) of the room, then multiply the result by the insulation factor (IF). This helps in selecting the right heater size for efficient heating. Mathify Mathify.academy Heater Size Calculator Enter any 4 values to calculate the missing variable Length Feet (ft) Inches…
To determine the heat strip size, multiply the voltage (V) by the amperage (A), divide by 1,000, and then multiply by 3,413. This calculation helps in selecting the correct heat strip wattage for efficient heating. Mathify Mathify.academy Heat Strip Size Calculator Enter any 2 values to calculate the missing variable System Voltage Volts (V) Kilovolts…
To determine the heat shrink size, divide the original size (OS) of the material by the heat shrink ratio (HSR). This calculation helps in selecting the correct heat shrink tubing for different applications. Mathify Mathify.academy Heat Shrink Size Calculator Original Size mm cm m in ft Heat Shrink Ratio (X in X:Y) Heat Shrink Ratio…
To determine the heat recovery, multiply the airflow rate (Q) by temperature difference (ΔT) and efficiency (E%), then multiply by 1.08 (a constant for air properties). This helps measure the amount of heat energy recovered in a ventilation or exchanger system. Mathify Mathify.academy Heat Recovery Calculator Enter any 3 values to calculate the missing variable…
To determine heat rate efficiency, divide the total energy input (TEI) by the effective energy output (EEO) and multiply by 100. This calculation helps assess how efficiently a system converts fuel energy into useful work. Mathify Mathify.academy Heat Rate Efficiency Calculator Enter one value to calculate the other Thermal Energy Input Joules (J) Kilojoules (kJ)…
To determine heat pump operating cost, divide the heat pump power (HP) by 1000, multiply by electricity cost (EC) and the number of operational hours (T). This helps estimate the daily, monthly, or annual electricity expense of running a heat pump. Mathify Mathify.academy Heat Pump Operating Cost Calculator Enter any 3 values to calculate the…
To determine heat pump efficiency, divide the heat output (HR) by the work input (W) and multiply by 100. This calculation provides the efficiency percentage, showing how effectively the heat pump converts energy into usable heat. Mathify Mathify.academy Heat Pump Efficiency Calculator Enter any 2 values to calculate the missing variable Total Heat Removed by…
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