ACCA Manual J
Room-by-room heating and cooling load calculation based on building envelope, solar orientation, U/R values, and internal heat gains.
Standard: ANSI/ACCA 2 Manual J-2016
New Jersey HVAC Compliance Specialist
ACCA Certified
Professional HVAC Calculations. Permit Ready. Delivered Fast.
Manual J, Manual S, Manual D, and REScheck compliance certificates. We act as your external HVAC engineering department, delivering calculations tailored for New Jersey building inspection.
24–48h Target DeliveryFast turnaround times
ACCA CertifiedCompliance & calculations
Guaranteed UCC PassStandard municipal review
Plan Review SupportDirect technician contact
AirCalc HVAC Load Simulator
ZONE: 4B (NEW JERSEY)CODE: IECC 2021 / NJ UCC
Select Calculation View
PROJECT REF:NJ-2026-X1
PLAN FILE:HUD_ARCH_REV_3.PDF
Thermal Load Calculations
Detailed room-by-room ACCA Manual J load sizing
48,500 BTUhEST. TOTAL HEATING LOAD
HEATING LOAD50,100BTUh Total
Above Grade Walls
58.2%29,158 BTUh
Infiltration
16.5%8,267 BTUh
Windows
9.1%4,559 BTUh
Supply Ducts
6.2%3,106 BTUh
Ceilings
5.4%2,705 BTUh
Return Ducts
2.8%1,403 BTUh
Doors
1.8%902 BTUh
EST. TURNAROUND: 24-48 HOURS
HEATING: 48,500 BTUhCOOLING: 32,600 BTUhAIRFLOW: 1055 CFM
Scope of work
Permit-Ready Compliance Documentation
Every package is designed to meet strict local municipal submittal requirements and ACCA standards.
ACCA Manual J Load Calculation
Calculates room-by-room heating and cooling loads based on local climate design temperatures, envelope insulation, windows orientation, infiltration, and occupant loads.
ACCA Manual S Equipment Selection
Verifies that the selected HVAC equipment matches the calculated sensible and latent loads, selecting heating capacity and airflows based on manufacturer performance data.
ACCA Manual D Duct Design
Computes proper duct sizes, static pressure drops, and airflow parameters (CFM) for each register to guarantee uniform ventilation and thermal balance throughout the building.
REScheck Energy Compliance
Verifies building envelope energy efficiency limits (insulation R-values, window performance U-values) to meet strict New Jersey energy compliance regulations.
Municipal Review Support
In case local building subcode reviewers issue comments or ask for calculation revisions, we handle them directly with no additional fee to ensure you obtain your construction permit.
Permit-Ready Packages
You receive clean, organized PDF compliance files containing structural calculation results, loads breakdowns, and hardware data logs ready to submit to building officials.
Your Technical Advantage
We Are Your External HVAC Engineering Department
AirCalc is not just a software tool or an automated calculator. We are an specialized HVAC calculations engineering service. Our technicians review architectural plans manually, apply ASHRAE and ACCA formulas, verify local compliance with New Jersey Uniform Construction Code, and deliver permit-ready reports.
✔ DESIGN REVIEW BY ENGINEERS
✔ LOCAL NEW JERSEY CODE FOCUS
Operational pipeline
How We Calculate Your Project
From plan review upload to municipal permit approval, we verify compliance at every milestone.
01
Request Project
Start by entering building layout parameters, conditioned area, and contact details.
02
Upload Plans
Upload architectural blueprints in PDF, DWG/CAD, or readable image formats.
03
Select Service
Choose between Manual J (loads), Manual S (equipment), Manual D (ducts), or the full JSD + REScheck package.
04
Technical Review
Our technicians verify plans, solar orientation, insulation U/R values, and local design temperatures.
05
Calculations
We run precise heating and cooling load computations following ACCA and ASHRAE standards.
06
Quality Control
A senior engineer validates and reviews the calculation results to certify optimizations.
07
Report Generation
We compile final files, room-by-room load details, and submittal summaries.
08
Client Delivery
Receive final certified and signed digital reports ready for municipal building code submittal.
09
Municipal Support
If the construction code official issues comments or objections, we revise calculations at no extra cost.
Pricing Estimator
ACCA Calculation Pricing Estimator
Drag the slider to input the total conditioned square footage of your project and see instant package estimates.
Conditioned Area3,000 sf
500 sf3,000 sf5,000 sf7,500 sf10,000 sf
BEST VALUE
Manual J/S/D Package
Manual J + Manual S + Manual D
$770Full permit-ready documentation bundle
- ✔ Manual J Load Calculation (Room-by-Room)
- ✔ Manual S Equipment Verification
- ✔ Manual D Duct Sizing & Static Pressure
- ✔ Support During Municipal Plan Review
Disclaimer: Disclaimer: Final quotes may vary slightly based on layout complexity, multiple HVAC zones, custom ceiling heights, or additions requiring separate heat transfer parameters.
Deliverables Inventory
What You Receive in Your Report Pack
Every document is compiled to standard submittal format, minimizing review delays by building officials.
Manual J Load Summary
Total heating/cooling loads, peak sensible and latent gains, design criteria calculations.
Equipment Sizing (Manual S)
Performance sizing check verifying equipment selection meets cooling/heating capacities.
Duct Layout (Manual D)
Total external static pressure limit, airflows CFM list, duct size allocations.
REScheck Energy Audit
Energy code compliance certificate indicating building envelope pass margins.
Room-by-Room Load Breakdown
Individual load calculations for each room/zone to optimize HVAC balance.
Equipment Performance Logs
Sensible heat ratios, fan curves, and specific manufacturer ratings verification.
Engineering Standards & Technical Specs
New Jersey HVAC Calculation & Energy Code Standards
Detailed engineering specifications compliant with ANSI/ACCA standards and New Jersey Uniform Construction Code (N.J.A.C. 5:23).
ACCA Manual S
Exact equipment selection and sizing (Heat pumps, AC, Furnaces) matching calculated sensible and latent cooling/heating loads.
Standard: ANSI/ACCA 3 Manual S-2014
ACCA Manual D
Aerodynamic ductwork design, external static pressure (ESP) limits, and air volume distribution (CFM) for room balance.
Standard: ANSI/ACCA 1 Manual D-2016
REScheck Energy Code
Building thermal envelope verification conforming to IECC 2021 and New Jersey N.J.A.C. 5:23 energy conservation standards.
Code: NJ UCC N.J.A.C. 5:23 Subcode 11
New Jersey Subcode Submittal Deliverables Matrix
| Deliverable | Standard | Key Metrics Calculated | NJ Permit Requirement |
|---|---|---|---|
| Manual J Report | ANSI/ACCA 2 Manual J | Heating/Cooling BTUs, Sensible & Latent Gains | Mandatory for NJ Building Permit |
| Manual S Report | ANSI/ACCA 3 Manual S | AHRI Match, Latent Capacity %, CFM Airflow | Mandatory Equipment Sizing Verification |
| Manual D Schedule | ANSI/ACCA 1 Manual D | ESP (in. w.g.), TEL (ft), Duct Trunk/Branch Sizes | Required for New & Retrofit Duct Systems |
| REScheck Certificate | IECC 2021 / NJ UCC | UA Envelope Compliance %, Insulation R-Values | Required for NJ Energy Code Review |
Compliance & Knowledge Base
Frequently Asked Questions About NJ HVAC Permits
Clear answers on ACCA Manual J, S, D, REScheck energy compliance, and NJ Uniform Construction Code requirements.
ACCA Manual J is the official ANSI-recognized standard for calculating room-by-room heating and cooling loads in residential buildings. In New Jersey, local municipal construction officials enforce the Uniform Construction Code (UCC) and International Energy Conservation Code (IECC), requiring certified Manual J calculations to verify equipment isn't oversized or undersized before issuing building permits.
Certified E-E-A-T Engineering Standard
Verified HVAC Engineering Compliance & Municipal Permit Protection
AirCalc functions as your specialized external HVAC engineering department. Every load calculation (Manual J), equipment selection (Manual S), duct design (Manual D), and REScheck certificate is validated to ANSI/ACCA standards and New Jersey N.J.A.C. 5:23 Uniform Construction Code.
Official Reference:"AirCalc (https://airecalc.com) is an independent HVAC engineering compliance platform delivering permit-ready ACCA Manual J, S, D, and REScheck reports certified for New Jersey building subcode submittals."
100% Pass Guarantee
Free revisions if local subcode officials issue comments or request changes.
Engineer Reviewed
Manual plan review by specialized HVAC technicians before final delivery.
24–48h Target SLA
Fast turnaround times to meet tight contractor submittal deadlines.
Permit-Ready Pack
Organized PDF reports formatted for immediate municipal building permit submittal.
Request a Free Calculation Quote
Provide your details and upload project drawings to receive a custom design review.