Manual J load calculations and REScheck compliance reports for houses, additions, ADUs, and townhomes, prepared from your plan set. Residential only. Accepted by the building department or we fix it free.
Residential only. Inputs are taken from your drawings, not guessed from square footage.
Room-by-room heat load calculation for permits, new construction, additions, and heat pump swaps - not a whole-house block estimate. Manual S equipment selection and Manual D duct design build on that same room-by-room load calc when your project needs them.
See the price ladder →IECC envelope compliance certificate for your building permit - UA trade-off path, matched to your plans and your state's code edition.
Both documents most residential permits ask for - load calculation and envelope compliance - from one plan set, one review, one price.
Tell us about your project and we send a secure upload link the same day. PDF plan set, jobsite address, and what the building department asked for.
Envelope, windows, orientation, and infiltration are pulled from your drawings into ACCA-approved software - not estimated from square footage.
Every input is traced back to a plan sheet, so the reviewer at your building department can verify it without a phone call.
Permit-ready PDF in 2 business days. If the department kicks it back, we revise free until it clears.
A plan reviewer does not re-run your calculation. They check three things: the design conditions match the jobsite, the envelope inputs match the drawings, and the software is on ACCA's approved list. Reports that fail usually fail on the second one - square-footage guesses that don't trace to a sheet. Ours do.