We offer Manual JDS Services for Permit with fast turnaround and 24h Delivery Available! Over 20 years of experience and using ACCA approved software.

Manual JDS provides essential technical information that HVAC contractors use when choosing HVAC equipment for a residential application, ensuring effective system performance and energy efficiency.

●Manual J calculates the heating and cooling loads for the right capacity of HVAC equipment.
●Manual D focuses on duct system design for optimal airflow based on a room-by-room need to ensure an evenly heated and cooled home.
●Manual S specifies equipment selection to match calculated loads and duct designs.

Following these manuals helps avoid issues like system underperformance, temperature imbalances, and excess energy use, leading to enhanced indoor comfort, sustainability, and cost-effectiveness.

Manual JDS

Pricing

Our transparent pricing structure caters to homeowners and businesses of all sizes.

Report Includes

●Manual J (Room by room Load Calculations)
●Manual S (Equipment Selection)

●Manual D (Duct design)

-Duct layout
-Duct sizing
-Grille and Register sizing
-Static pressure report
-Register and Grille CFM

☆ ACCA Approved Manual JDS
☆ ACCA Approved Software “Wrightsoft”
☆ Accepted in all 50 US states*

Please confirm with your Local Municipality what their requirements are.
Shorter form available upon request.

Delivery Time
3-4 days (depending on the size of the project)
24h Delivery Available

Extras

Extra System: $50/each
Express Delivery, ERV Design, Material Takeoff, Radiant Design, Rescheck, Florida R405, Title 24.

Over 2000sqft: $0.12/sqft

Manual JDS

Under 2000sqft: $240

What's needed?

Get familiar with the Requirements.

What information is needed for Manual JDS?

Floor plans that include the following information:
-Measurements (in feet) of all interior walls, including hallways and closets.
-Windows, skylights, and exterior doors marked on the drawing and their size (WxH).
-Room names
-Ceiling height and marked vaulted areas (height of their low and high point or roof pitch).
-Insulation values of the ceiling, walls, and floors.
-Type of windows and their U value, if known.

If you don’t have official floor plans, you can always create a hand drawing (as shown on this drawing), but I urge you to double-check all measurements, as people often miscalculate the measurements. In this case, Graph paper will be your best friend.

I’ll also need to know what type of system you’re installing, its brand, preferred indoor temperature, and the type of duct you would like to use.

If you don’t know this information or don’t have a preference, I’ll make an educated guess or give you a recommendation.

Questions & Answers

Be informed what’s included in the package and the project’s requirements

What’s included in the Manual JDS package?

A Residential Room by Room Manual J (Load calculations), Manual S (Equipment selection), Manual D (Duct design). The manuals are performed using the ACCA-approved software “Wrightsoft” and follow ACCA Manual JDS standards.

What's not included in the Manual JDS?

Anything not covered by Manual JDS.

What's the delivery time?

The delivery time is most often between 3-4 days, depending on the size of the project. Once I review your file, I'll send you a price quote, which will include the delivery time, and it's guaranteed that I'll deliver on time or early.

• The delivery time starts once the invoice is paid in full.

• Express delivery is available for an extra charge!

Can this be used to get a permit?

Yes, it can. Most jurisdictions require these calculations to obtain a Permit to start construction. The Manual JDS is accepted in all 50 states.*

• Some states might require additional forms, such as Florida R405, or California Title 24, which can be purchased additionally.

What software do you use?

I use the ACCA-certified “Wrightsoft” program, which I find to be the most accurate and detailed on the market.

Are you familiar with the most up-to-date mechanical codes?

Yes, I am a Master HVAC Contractor License holder for the state of New Jersey and must have code update classes to maintain my license. I have completed well over 5000 load calculations for various states.

Services that can be added to Manual JDS.

• ERV/HRV Design: $50 per ERV/HRV system

• Material takeoff: $150, + $50 per extra system over 3500sqft.

• Rescheck: $75

• Radiant design: $0.10/sqft if purchased together with a Manual JDS or Room-by-Room Manual JS.

• Florida R405:
  -$50 if ordered with Manual JDS/JS

  - If ordered without a Manual JDS/JS it's $140 for a house under 2000sqft and $0.07/sqft for a house over 2000sqft.

• Title 24:

  -$50 if ordered with Manual JDS/JS

  - If ordered without a Manual JDS/JS it's $140 for house under 2000sqft and $0.07/sqft for a house over 2000sqft.

• Express delivery: Varies based on the size of the house.

Price Quote

Ready to work with us?
Send us your floor plans, and we will review them and provide you with a price quote.