I will do manual j hvac load calculations and design
HVAC expert
About this Gig
Planning a new home, addition, renovation, or HVAC replacement? I can help you turn your plans into a clear, properly sized HVAC design.
I prepare accurate Manual J heating and cooling load calculations to determine how much heating and cooling your building actually needsnot more, not less. When your project requires a complete design, I can also provide Manual S equipment sizing, Manual D duct sizing, duct layouts, HVAC plans, and supporting permit documentation.
- Manual J heating and cooling load calculations
- HVAC system sizing and design support
- Manual S equipment selection and sizing
- Manual D duct sizing and duct design
- HVAC permit plans and mechanical plans
- HVAC drawings and equipment schedules
- AutoCAD HVAC drawings
- Revit MEP documentation
- HAP or Wrightsoft-based calculations, where applicable
- HVAC permit revisions and plan-review corrections
I work with residential new construction, additions, renovations, HVAC replacements, heat-pump projects, and other residential permit applications.
Message Me, Let's Work
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.
FAQ
What do you need to perform a Manual J calculation?
I typically need the architectural/floor plans, project location, building size, construction details, and available window, insulation, and HVAC information.
Do you provide Manual J, Manual S, and Manual D?
Yes. Depending on the package selected, I can provide Manual J load calculations together with Manual S equipment sizing and Manual D duct sizing/design.
Can you prepare HVAC documents for a permit submission?
Yes. I can prepare HVAC plans, calculations, layouts, schedules, and supporting documentation based on your project scope and jurisdiction requirements.
Can you revise an existing HVAC calculation or permit plan?
Yes. Send the existing documents and plan-review comments, and I can review the requested changes and update the applicable HVAC documentation.

