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Equations 39 2 B B H H P P 2 1 2= 3 = 3 = 1.5 BHP = MHP = VH = HD = GPM = Gallons/Minute RPM = Revolutions/Minute HD = Ft. H2O BHP = Break Horsepower Pump Size = Constant Water Density = Constant
COMMON HVAC FORMULAS AIR SYSTEM Q Sensible = 1.08 x CFM x ∆T Q Latent = 4840 x CFM x ∆H WATER SYSTEM Q Total = 500 x GPM x ∆T EQUIPMENT LOAD Q Total = W x 3.412 Q Total = 2545 x (HP / motor eff.)
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Jun 25, 2020 · Learn the most commonly used formulas in the HVAC industry, such as Ohm's Law, wattage, horsepower, and ton of refrigeration. Find definitions, examples, and tips for electrical, work, and HVAC terms and concepts.
- Types of HVAC Formulas
- Why Do You Need HVAC Calculations formulas?
- Conclusion
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In this section, we will cover three important HVAC and other useful formulas that help HVAC technicians determine airflow, temperature, and humidity levels in buildings.
As an HVAC technician, you may think it is important to learn the formulas, and only then can you do the work efficiently. Yes, that’s true. But there are other important reasons to know complete load calculations. In this section, let’s discuss them. To ensure the indoor conditions are normal:When you know the formulas, you can quickly check if th...
As an HVAC professional, understanding the heating, ventilation, and air conditioning (HVAC system) is significant because it will help you better communicate your problems or needs. Though there are multiple tools to assist you in completing the calculations in your day-to-day operations, knowing the HVAC formulas can help you understand the probl...
Learn the types and applications of HVAC formulas for electrical, work and horsepower calculations. Find examples, definitions and tips for HVAC technicians and students.
- Gaurang Bhatt
A PDF document that contains various formulas and equations for HVACR systems, such as refrigeration, heating, cooling, humidification, dehumidification, and combustion. Learn how to calculate ton of refrigeration, work, horsepower, watts, specific heat, enthalpy, relative humidity, dew point, total pressure, area, and more.
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A PDF document with various formulas and equations for HVAC systems, such as ton of refrigeration, work, horsepower, watts, coulomb, voltage, current, resistance, power, capacitance, and more. Also includes tables for TXV, specific heat, enthalpy, relative humidity, specific humidity, dew point, and gas combustion.
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Sep 5, 2021 · Knowing some of the basic formulas involved in HVAC work will help you work faster and more reliably. While there’s nothing wrong with relying on other sources, you should be able to make some calculations yourself – both during your certification exams and in the field.
