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?
- Address of project
- Front door orientation
- Architectural floor plan
- Wall cross section – building & roof materials
- 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.