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      • To calculate the estimated HVAC load for a house with 3,000 square feet, 14 windows, and 4 exterior doors occupied by 5 people, simply plug it into this formula: 3,000 x 25 = 75,000 base BTU 5 people x 400 = 2,000 14 windows x 1,000 = 14,000 4 exterior doors x 1,000 = 4,000 75,000 + 2,000 + 14,000 + 4,000 = 95,000 BTU
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  2. Jul 19, 2024 · Again, consider using my HVAC excel calculators to ease your design work and learn how to use the latest (more accurate) RTS method to calculate cooling load and plot a 24 hours load profile for better equipment sizing and load optimization.

  3. cooling load calculations, HVAC systems, snow-melting systems, and ground-source heat pump systems. He is also the Fulbright Distinguished Chair of Alternative Energy Technology at

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  4. Calculations are performed per ACCA Manual J 8th Edition, Version 2, and ACCA Manual D. All computed results are estimates as building use and weather may vary. Be sure to select a unit that meets both sensible and latent loads according to the manufacturer's performance data at

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  5. Cooling & heating load calculations are normally made to size HVAC (heating, ventilating, and air-conditioning) systems and their components. In principle, the loads are calculated to maintain the indoor design conditions.

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  6. Aug 12, 2024 · Examples of HVAC Load Calculation. The HVAC load calculation formula makes it easy to determine an HVAC system sizing guideline for a specific space. Let’s say we have a 2,000-square-foot house with 9-foot ceilings, 15 windows, three exterior doors, and five occupants. Using the HVAC load calculation, we can get a better idea of what size ...

  7. CLTD (cooling load temperature difference), SCL (solar cooling load factor), and CLF (cooling load factor): all include the effect of (1) time-lag in conductive heat gain through opaque exterior surfaces and (2) time delay by thermal storage in converting radiant heat gain to cooling load.

  8. After completing the course, you should know: How to use a simple heat loss calculation procedure. How to find and use local climate data. The thermal properties of building materials. The effects of air infiltration and ventilation. The basic concepts and methods to determine cooling loads.