Residential Calculations

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Manual J Heat Load

When undertaking the construction of a new home, addition, or renovation project in Florida, it is mandated that energy and load calculations be performed. A Manual J Calculation determines the heating and cooling load requirements of a building or space, taking into account factors size as size, insulation, occupancy, and climate conditioned to properly size and design the HVAC system. E-Calcs Plus, Inc. is proud to provide accurate residential manual J load calculations that are held to the standards per Florida Energy Code Compliance.

What is required?
  1. Address of project
  2. Front door orientation
  3. Architectural floor plan
  4. Wall cross section – building & roof materials
  5. Window schedule with SHGC and U-factors – not completely required if basic window types used are specified (e.g. PGT Low E Single Pane Aluminum Impact)

Please email all materials and information to christine@ecalcsplus.com

What is included in my residential e-calcs?

Residential Energy Conservation Code Documentation Checklist

Form R405-2022 report

Input summary checklist

Energy Performance Level (EPL) Display Card

Mandatory requirements

Manual S Equipment Sizing for permitting

Manual J Load calculation for permitting

 

Manual D Duct Design is required per Florida building department code in the following locations*:

*This list is subject to change. E-Calcs Plus, Inc. remains continuously updated with Florida building code compliance.

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