I will do acca manual j d s hvac load calculations, duct design and equipment selection
HVAC and MEP Designer Manual JDS, Load Calculations and Permit Plans
About this Gig
Welcome to my gig!
I provide professional ACCA Manual J, Manual D and Manual S HVAC load calculations, duct design, and equipment selection for residential and light commercial projects across the USA.
Using Wrightsoft, I prepare accurate, organized, and permit-ready HVAC designs tailored to project requirements and local AHJ standards.
What I Provide:
- Manual J: Room by room heating and cooling load calculations
- Manual D: Duct sizing, supply/return layout, airflow, and static pressure
- Manual S: Proper HVAC equipment selection and sizing
- HVAC plans and permit ready documentation
- Support for multiple systems and zones
- REScheck/COMcheck support available as an add on
Deliverables: Professional PDF reports and HVAC drawings or layouts as required.
I focus on accurate calculations, practical system design, clear documentation, and responsive communication to help contractors, builders, and homeowners reduce revisions and move projects toward approval.
Please message me before ordering with your project location, square footage, plans, system type, and deadline so I can review the scope and recommend the right package.
Project scale:
Building
Building type:
Residential
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Commercial
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Industrial
Delivery style preference
Please inform the freelancer of any preferences or concerns regarding the use of AI tools in the completion and/or delivery of your order.
Other Building Engineering Services I Offer
FAQ
Do you provide ACCA Manual J, D and S calculations?
Yes. I provide ACCA Manual J load calculations, Manual D duct design, and Manual S equipment selection using Wrightsoft for residential and light commercial HVAC projects.
Can you create HVAC designs for permit submission?
Yes. I can prepare permit ready HVAC calculations, duct layouts, and documentation based on the project requirements and applicable local AHJ standards.
What information do you need to start?
Please provide your architectural floor plans, project location, square footage, building details, insulation/window information, and existing or proposed HVAC system details if available.
Do you design the actual duct layout?
Yes. Manual D duct design can include supply and return duct sizing, airflow requirements, and duct layout based on the calculated room-by-room loads.
Can you handle multiple HVAC systems or zones?
Yes. I can work with multiple systems, zones, floors, and HVAC equipment, depending on the project scope. Message me before ordering so I can review your plans and provide the appropriate package.

