Permit-ready Manual J & REScheck reports, prepared from your plans
Accepted or we fix it free · 2 business days · Rush available
Residential Load Calculations & Energy Code Compliance

Get your ducts sized right the first time, in 2 business days.

Manual J, S, and D: the load calculation, equipment selection, and duct design a ducted HVAC permit needs, prepared from your plans and reviewed by an ICC-certified examiner. Sometimes written Manual JSD, always sold together since each step depends on the one before it.

  • 2 business days for the load calculation, equipment selection, and duct design together
  • Room-by-room Manual J, not a block-load estimate - the input Manual S and Manual D are built from
  • Posted price for your size tier. No quote dance, no per-revision fees
  • Permit Acceptance Guarantee: if a rejection traces to our work, we fix it free until it's accepted
  • Residential only: one- and two-family homes, townhouses, additions, ADUs. No commercial or COMcheck work
The Plans Examiner ICC-certified seal

Travis Smith, ICC-Certified Residential Plans Examiner. The same certification your building department's plan reviewer holds - working for you.

Manual J + S + D Package ● Available now
$449up to 3,000 sq ft
Loads, equipment selection, and duct design in one package. Price is locked before you pay.
Pay Now: $449
Secure checkout by Stripe. We email you a plan upload link right after payment.
or
Not sure of your square footage? We confirm the tier from your drawings and invoice you. No charge until you approve.
Rush available - contact us.
2 daysLoads, equipment & ducts together
Room-by-roomNot a block-load estimate
Posted pricesBy size tier, no quote dance
ICC-certifiedSame credential as your reviewer

Manual J, S, and D - priced as a ladder

Manual S is computed directly from your Manual J's loads, so there is no equipment to select without a finished load calculation. Manual D then sizes ducts to both the loads and the equipment Manual S selected. Each step needs the one before it, so the price climbs step by step and neither S nor D is sold on its own.

PackageWhat you getPriceStatus
Manual JThe room-by-room heat load calculation itself - a full load calc for permits and equipment sizing, not a whole-house block load estimate.$249AvailableOrder Manual J alone →
Manual J + SAdds Manual S: equipment selection computed directly from your Manual J loads, matching a real furnace, AC, or heat pump model and capacity to those numbers.$299
up to 3,000 sq ft · $399 to 4,500 · $499 to 6,000		AvailablePay now →
Manual J + S + DThis package: adds Manual D duct sizing and layout so the equipment Manual S selected actually delivers the loads Manual J calculated to each register.$449
up to 3,000 sq ft · $549 to 4,500 · $649 to 6,000		AvailableOrder above ↑

Manual S and Manual D are not sold standalone - each is scoped from your plan set. Send your plans and we will confirm your package and price before you pay anything.

What's in the Manual J, S & D package

One HVAC permit package covering load calculation, equipment selection, and duct design, built from your actual plan set - not a rule-of-thumb estimate.

Permit Acceptance Guarantee

Accepted, or we fix it free. If your building department rejects any part of the Manual J, S, or D package because of something we prepared incorrectly, we revise it and resubmit at no charge. Revisions continue until the report is accepted - no per-revision fees, no time limit.

Who needs Manual J, S, and D together

Any ducted system - new construction, additions with new ductwork, and ADUs with their own ducted equipment - needs the load calculation, equipment selection, and duct design done as one job, since each depends on the one before it. Going ductless? A mini-split skips Manual D since there's no duct system to design; see does a ductless mini-split need a Manual J? for that version. Only need the load calculation on its own? See the Manual J page for pricing without S or D.