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Formulas and Conversion Factors
Moisture Removal or Latent Work | 1050 Btu/H = 1 Lb/Hr | Water Vapor | 7000 Grains = 1 Lb of Water | Work to WATT | 3.414 Btu/H = 1WATT | Gas | 1 Threm - 100,000 Btu/H | | Tons | 12,000 Btu's = 1 Ton | Sensible Cooling | 1.08 X (SCFM) (Temperature 1-Temperature 2) = Btu/H | Latent Cooling | [4.5 X (SCFM) X (Grains/Lb 1 – Grains/Lb 2)] / 7000 = Lb/Hr | | [4.5 X (SCFM) X (Grains/Lb 1 – Grains/Lb 2) X 1050] / 7000 = Btu/H | Total Cooling | 4.5 X (SCFM) X (Enthalpy 1 - Enthalpy 2) = BTU/H | Coefficient of Performance (COP) | Work Done (BTUH) / Energy Required (BTUH) | Blending Air Streams | [(CFM 1 X Temp 1) + (CFM 2 X Temp 2)] / (CFM 1 + CFM 2) |
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Knowing The HVAC Commissioning Regulations |
There are many ways to insure you get the best HVAC systems in the world, but there are regulations and guidelines that are continually changing to meet the demands of this booming industry. Did you know that there is actually a system for HVAC commissioning? This is to insure you get the best units, the safest units, and the most professional units on the market today.
There are ways to make sure you get the best, but unfortunately, not every company would do this of their own free will. Instead, HVAC commissioning insures that there is a minimum standard each HVAC system must meet to be available to you. These minimum specifications are clearly stated in the HVAC commissioning manual and each technician and manufacturer must meet or exceed these requirements. |
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Read more: Knowing The HVAC Commissioning Regulations
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Industry Resources
