Residential HVAC Manual JS Creation

I need a complete Manual J/S package for a TWO-family residence that will satisfy my local building department. The focus is on two things: precise room-by-room load calculations and a clear energy-efficiency analysis that turns those numbers into practical recommendations. Local building codes, not ASHRAE or ACCA, are the compliance benchmark, so every assumption, factor, and safety margin has to reference the code sections I’ll supply.

I will provide the floor plan, construction details, window schedule, orientation, and occupancy data as soon as we start. From there I’m expecting a transparent workflow—whether you prefer Elite RHVAC, Wrightsoft, or a well-documented Excel model is up to you—as long as every step can be followed and verified.

Deliverables
• Spreadsheet or software report showing sensible and latent loads for each room with totals
• Narrative summary of the methodology, inputs, and any safety factors used
• Energy-efficiency analysis translating the load data into projected consumption plus envelope or equipment recommendations
• Code references so the building official can check your work without back-and-forth

Acceptance criteria
1. Calculations trace directly to the inputs I provide—no hidden defaults
2. Final equipment sizing stays within ±10 % of the calculated load
3. All recommendations and figures cite the relevant local code passages

Let me know your estimated turnaround and any clarifying questions, and we can get started right away.