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  1. HVAC Right-Sizing Part 1: Calculating Loads. Thursday, April 28 11:00 a.m. - 12:00 p.m. Eastern. Presented by: Mike Gestwick - National Renewable Energy Laboratory Arlan Burdick, Anthony Grisolia – IBACOS, a Building America Research Team.

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  2. Cooling and Heating Load Calculation Principles, by Curtis Pedersen, Daniel Fisher, Richard Liesen, and myself. The Load Calculation Applications Manual, also sponsored by TC 4.1, builds on the past three, and some parts are taken directly from previous versions. New develop-ments in data and methods have led to numerous revisions.

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  3. 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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  4. Learning Objectives. Understand when a Manual J load calculation should be performed. Understand how to look up information for a Manual J calculation. Understand common mistakes made in Manual J entries. Understand how to use Manual J software packages for detailed load calculations.

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  5. May 18, 2023 · A simple and compact tool to estimate HVAC loads and select equipment based on architectural design. The web page provides a brief introduction, other HVAC worksheets, and a link to the HVAC Loads page for more information.

  6. 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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  8. Manual J 8th Edition is the national ANSI-recognized standard for producing HVAC equipment sizing loads for single-family detached homes, small multi-unit structures, condominiums, townhouses, and manufactured homes.