From plans to permit: exactly what happens.
You upload the plans or a LiDAR scan, our team calculates Manual J, S and D, you download the permit-ready PDF – typically 2–3 business days after complete documents. Here is every step, who does what, and what you get.
Start Unlimited · $250/mo Try it free – first house on us
Your first house is free: create an account and upload one project – no agreement, no credit card.
- First house free
- Unlimited houses
- J + S + D done for you
- 2–3 business days
- Plans or LiDAR scan
Example screen with sample numbers (heating / cooling Btu/h per room). Your report uses your plans.
- ACCA-approved software
- Wrightsoft Right-J8 & Right-D
- Manual J 8th Ed. · S · D
- Permit-ready PDF
- Plans or LiDAR scan
- All 50 states
Wrightsoft Right-J8 and Right-D are on ACCA’s approved software list. Loadpol is not affiliated with or endorsed by ACCA or Wrightsoft.
Six steps, five of them ours to worry about.
What you do and what we do in each step. Step 6 is optional.
- Sign up and sign the agreement
Create your account and sign Loadpol Unlimited online – about 5 minutes. $250 a month, 12-month agreement. Want to try first? Your first house is free, no agreement needed.
- You
- Create the account, sign online (or try one house free).
- We
- Open your account for unlimited houses.
- Create a project per house
Upload the plan set (PDF, DWG/DXF or images) – or, for an existing home, a LiDAR scan from an iPhone Pro or iPad Pro (apps such as Polycam or magicplan) – and fill in the key data. Tick the documents you need (J, S, D, duct layout and ventilation are preset; AHRI, REScheck, ENERGY STAR on request) and, if it is urgent, Rush 24h. For a quick equipment-replacement estimate, the address, a listing link and photos are enough (whole-house block load, not room by room).
- You
- Address/ZIP, conditioned area, stories, foundation, orientation, windows, insulation, duct location, planned system. What we need
- We
- Keep your plans on file for repeat lots.
- We check the documents
Within one business day we check that everything is there. If something is missing, we ask in your project messages and by email.
- You
- Answer questions in the project, add files.
- We
- Review plans and data, ask before we calculate.
- We calculate Manual J, S and D
Room-by-room loads (Manual J), equipment check against manufacturer data (Manual S) and duct design (Manual D) in ACCA-approved software (Wrightsoft Right-J8 and Right-D) – plus the duct layout drawing, ASHRAE 62.2 ventilation and, if selected, the AHRI certificate, REScheck and ENERGY STAR HVAC Design Report.
- You
- Nothing – no software, no data entry.
- We
- Enter every room, wall and window, run J, S and D and prepare every selected document.
- Download the permit-ready PDF
You get an email and download the report from your account – typically 2–3 business days after complete documents. If plan review comments on our report, we revise it free.
- You
- Submit the PDF with your permit application.
- We
- Revise the report free if plan review asks.
- Optional: quote and invoice the job
Use the built-in CRM to send the homeowner a Good / Better / Best proposal with an energy-savings chart, collect the e-signature and invoice the job.
- You
- Add prices, send the proposal link.
- We
- Prefill the proposal from the Manual J results.
A typical house, day by day.
- Day 0UploadYou create the project and upload plans or a scan.
- Day 1Document checkWe confirm everything is there or ask in the project.
- Day 2–3Report readyManual J, S and D as one PDF in your account, plus an email.
- ThenPermitYou submit it. Plan-review comments on our report: free revision.
Business days after complete documents; typical, not guaranteed. In a hurry? Rush 24h (+$49 per house): within 24 business hours after we confirm complete documents – or no Rush fee.
Plans, LiDAR scan or listing: when to use which.
Plan set
For new construction, additions and remodels with drawings.
- Floor plans of every level with dimensions
- Elevations or the front-door orientation
- Window and door schedule (U-factor, SHGC)
- Insulation levels and duct location
- PDF, DWG/DXF or clear photos
LiDAR scan
For existing homes without plans: replacements, renovations, finished homes.
- Scan every room with an iPhone Pro or iPad Pro (apps such as Polycam or magicplan)
- Upload the export (USDZ, OBJ, PLY, E57, GLB …) or a ZIP
- Add windows and insulation as far as you know them
- Photos of windows and the equipment nameplate help
- Not for homes that are not built yet – those need plans
Address + listing + photos
For a quick estimate before an equipment replacement.
- Address, a listing link (Zillow, Redfin, Realtor.com) and the year built
- Photos: windows, equipment nameplate, attic
- Result: a whole-house block-load estimate, not room by room
- Permits that require room-by-room loads need plans or a scan
- The link is a reference for our team only – we do not copy listing data
Full checklist: what we need. App names are examples only.
What is in the report.
- Manual J: heating, sensible and latent cooling load for the whole house and every room
- Design conditions for the project location
- Manual S: the planned equipment checked against manufacturer data
- Manual D: airflow per room, supply and return duct sizes, friction rate, static pressure
- Duct layout drawing: ducts, registers, returns and the equipment location on the plan
- ASHRAE 62.2 whole-house ventilation rate as its own section
- On request: AHRI Directory certificate, REScheck report (not in FL and CA), ENERGY STAR HVAC Design Report
- PDFs named for the address and grouped by document in your account
Example screen with sample numbers (heating / cooling Btu/h per room). Your report uses your plans.
What unlimited means.
Details in the Terms of Service.
Everything the building department needs for HVAC – in one subscription.
Every document below is included in Loadpol Unlimited at $250 a month, for every house. Pick what your jurisdiction or program asks for in the project.
Documents within 24 hours on business days after we confirm your documents are complete. If we miss it, there is no fee. Billed with your next monthly invoice.
REScheck is not available in Florida and California (own compliance methods). The REScheck report is signed by the builder or designer of record; ENERGY STAR program requirements for the HVAC designer of record and rater apply. Not affiliated with AHRI, the U.S. DOE or ENERGY STAR. What each document is and when you need it →
Questions about the process.
Who submits the report to the building department?
You do – or whoever pulls the permit. We deliver the permit-ready PDF to your account; you add it to the permit application. We do not file permits.
What if plan review asks for changes?
Upload the plan-review comments to the project. If they relate to our report and the plans we received, we revise the report at no charge. If the building itself changed, we recalculate – that is included in Unlimited as well.
How fast do we get the reports?
Typically 2–3 business days after we have complete documents. That is a typical time, not a guarantee; complex houses or missing information take longer, and we tell you in the project if something holds it up.
How does Rush 24h work?
Tick “Rush – 24h after complete documents (+$49)” in the project. The 24 hours (business days, Monday to Friday) start when we confirm in the project that your documents are complete; the project shows the deadline. If we miss it, the Rush fee is dropped. The fee is billed with your next monthly invoice.
Can we try it before signing?
Yes. Your first house is free: create an account and submit one project without an agreement or credit card. One free house per company, email domain and address.
Can you work from a Zillow or Redfin listing?
For equipment replacements, yes – as a quick whole-house block-load estimate from the address, the listing link and photos. Not room by room; for permits that require room-by-room loads, send plans or a LiDAR scan. We do not copy data from listing sites.
Can we share the results with a HERS rater or the building department?
Yes. Each project has read-only share links: address, key data, load results and report downloads – no customer contact data. Set an expiry date, see the visits and revoke a link at any time.
What happens to our plans?
Plans, scans and data are used only to prepare your reports, kept confidential and stored in your account so repeat lots go faster. You can ask us to delete them at any time.
What do we need for an existing home without plans?
A LiDAR room scan from an iPhone Pro or iPad Pro (apps such as Polycam or magicplan) plus the windows and insulation as far as you know them. Photos of windows and the equipment nameplate help.
Are the reports stamped by an engineer?
No, not unless agreed in writing. Your building department decides what it accepts.
Is there a CRM?
Yes. Loadpol Unlimited includes a simple CRM in your account: customers with properties, notes and follow-ups, Good / Better / Best proposals with an energy-savings chart and online e-signature, and invoices with deposit and payment tracking. Proposals can be prefilled from the Manual J results of a Loadpol project. There is no online payment and no automatic sales-tax calculation; you enter your own rates.
Your next permit, sized right.
Unlimited Manual J, S and D for $250 a month, done for you. Upload the plans today.
Start Unlimited · $250/mo