Pdf for "**Btu required to heat water**".(Page 1 of about 18 results)

Tag:
btu to heat water formula

Aug 01, 2013 · Btu’s to **heat **a gallon of **water **with gas 1131 Btu’s is 0.0113 therms. It will take 0.0113 therms to **heat **a gallon of water, or 0.0113 x 1000 = 11.31 therms to **heat **1000 gallons. At $1.20 /therm, it costs 11.31 x $1.20 = $13.58 to **heat **1000 gallons. Cost To **Heat Water **Using Electricity A typical electric **water **heater is 90.4 to 95% efficient ...

Tag:
btu to heat water calculator

Dec 17, 2019 · Natural gas or propane tankless **water **heater with an input rating of 200,000 **BTU **per hour or less Natural gas or propane storage **water **heater with an input rating of 75,000 **BTU **per hour or less Electric Resistance, 60 gallons or less, or Tankless Electric (allowed only if natural gas is not available to building. 1) Electric **Heat **Pump

Tag:
btu calculation for water

Characteristics of **water **Boiling point – 212F @ sea level, higher altitudes? Freezing point - 32F Specific **heat **– 1.0 Ammonia has highest ice and steam SH = .5 Specific weight 1.0 Latent **heat **of fusion – 144 BTU/lb. Latent **heat **of vaporization – 970 BTU/lb. PH – 7 neutral – (less is acid more is base) Mpemba (IM PEM BAH)effect

Tag:
btu needed to heat water

Unit **heat **rate is to 3,412 Btu/kWh, the more efficient and cost-effective the operation. An increase in **heat **rate results in an increase in fuel consumption; whereas, decreasing **heat **rate equates to a reduction in the fuel **required **to produce a given number of kWh of energy. Although **heat **rate is a key consideration in any purchasing decision,

Tag:
btu per gallon of water

Btu/lb **required **to **heat **the liquid to the condi-tion indicated starting with **water **at 32°F. Latent **heat **is the **heat **energy in Btu/lb absorbed when a pound of boiling **water **is converted to a pound of steam at the same temperature. The same amount of **heat **is released when the steam condenses back to **water **at the same temperature. Latent **heat**

Tag:
btus to heat water

• Energy—Energy is commonly measured in terms of British thermal units (Btu). A **Btu **is defined as the amount of **heat required **to raise the temperature of 1 pound of **water **by 1 degree Fahrenheit. For transportation projects, energy usage is predominantly influenced by the amount of fuel used for construction and operation. The average **Btu **...

Tag:
btu needed to boil water

1 **Btu **= 0.293 watthour 1 watthour = 3.412 **Btu **1 Btu/h = 3.93x10-4 HP 1 HP = 2,545 Btu/h 1 HP = 0.746 kW 1 kW = 1.34 HP There are two main sets of units that should be discussed in more detail, (1) EER and (2) SEER. First, you need to understand that the efficiency of air conditioners in the refrigeration

Tag:
btu to raise water temperature

• **Btu **(British Thermal Unit)- energy **required **to **heat **one lbm of **water **one degree Fahrenheit −1 **Btu **= 778.16 ft-lbf = 1.055 kJ = 0.252 Cal −Commonly used measure of fuel energy, heating and cooling quantities −1 MBtu = 1000 BTU; 1 MMBtu = 10 6 **Btu **−1 Quad = 10 15 **Btu **(billion 10 9, trillion 10 12, quad rillion) −1 Q = 10 18 **Btu**

Tag:
btu to heat water formula

Therefore, a **water **heater would be **required **which will recover 197 GPH. c. To compute a **BTU **or KW rating for the **required **hourly hot **water **demand found in example a, the following formulas should be used: Formula 1 (for gas **water **heaters) **BTU **input = GPH x °Rise x 8.33 lb./ gallon of **water **Thermal Efficiency **BTU **input = 54 GPH x 60°F X 8.33 lb.

Tag:
btu to heat water calculator

3. Unfired service water-heater storage tanks and solar **water **-heating back up tanks must have/meet one of : A. External insulation, R -12 or more B. Internal and external insulation, R -16 or more (combined) C. Tank surface **heat **loss < 6.5 **BTU **per hour per square foot (water -air temperature difference of 80°F) 15

Tag:
btu calculation for water

Of the computed hourly hot **water **demand must be provided. Therefore, a **water **heater would be **required **which will recover 197 GPH. F. To compute a **BTU **or KW rating for the **required **hourly hot **water **demand found in example #1, the following formulas should be used: Formula 1 (for gas **water **heaters): $ 6 7 = ) 2 * + J L Q P 5 : : < ,.

Tag:
btu needed to heat water

Tag:
btu per gallon of water

212 °F). For water, the latent **heat **of fusion (ice to liquid) is considerably lower, 144 Btu/lb. **Heat **Capacity The **heat **capacity (or specific **heat **relative to water) of solids, liquids, and gases is by definition the amount of energy (Btu) **required **to **heat **1 lb of material 1 °F. The actual value will differ with the physical or chem-

Tag:
btus to heat water

Greatly reduce **heat **losses and power consumption. E.g. Company A has a 7000 l tank tank is well insulated and initial **heat **up time is not critical. 7000 x 1 x 60 860 x 12 hours mass x specific **heat **x temperature rise 860 x **heat **up time (hours) itre degreasing with a temperature of 60°C. The The company needs to determine the power required.

Tag:
btu needed to boil water

1 KW = 3413 **Btu **= 4.1 Gals. @ 100°F Rise Determine % of hot **water **portion of total mixed **water **requirements M-C = 140-40 = 100 = 71.5% of mixture H-C 180-40 140 is hot **water **% of cold **water **in mixture is: 1 ∅ 3 ∅ (Balanced Circuits) Watts = Amps .577 X Watts = Amps H-M = 180-140 = 40 = 28.5% of mixture Volts Volts

Tag:
18000 btu ac with heat

One gallon of **water **one degree. A **Btu **may be sensed and visualized as about the amount of **heat **produced by burning one wooden match. One watt-hour of electricity produces 3.413 Btu. This is the formula for determining the **Btu required **to **heat **a given quantity of **water **a certain number of de-grees: Gallons x 8.25 x 1.0 x temp. rise = **Btu**

Tag:
18000 btu mini split heat pump

Of hot **water **to a higher temperature for a specific purpose, such as for thesanitizing rinse on a high temperature automatic dishmachine. B. **BTU **(British Thermal Unit): The quantity of **heat required **to raise the temperature of one pound of **water **one (1) degree Fahrenheit.

Tag:
18500 btu air and heat