I will do hvac design, calculate manual j heating and cooling load
About this Gig
Professional HVAC Manual J, D & S Design
Are you looking for an experienced HVAC designer for Manual J load calculations, Manual D duct design, Manual S equipment selection, or complete residential HVAC system design? Youre in the right place.
What You Will Receive
- Custom HVAC design based on your specific project
- Accurate calculations no rule-of-thumb sizing
- Clear and professional reports
- On-time delivery
- Residential projects throughout the USA & Canada
My HVAC Services
- Manual J Load Calculation
Room-by-room heating and cooling load calculations.
- Manual S Equipment Selection
Proper HVAC equipment sizing and selection based on calculated loads.
- Manual D Duct Design
Duct sizing and distribution design for proper airflow, comfort, and efficiency.
Why Choose My Service?
I have completed 150+ HVAC projects, primarily for residential projects in the USA and Canada. My work follows applicable industry standards and methodologies, including ACCA Manual J, Manual D & Manual S, along with relevant ASHRAE, IECC, IRC, aguidance.
Contact me before ordering to discuss your project requirements.
Project scale:
House
Building type:
Residential
•
Commercial
•
Office & workspace
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.
My Portfolio
FAQ
What information do you need to start the project?
I typically need architectural/floor plans, project address, building dimensions, window and door information, insulation details, and any available HVAC requirements.
Do you provide Manual J, Manual D, and Manual S calculations?
Yes. I provide Manual J load calculations, Manual S equipment selection, and Manual D duct design based on your project requirements
Are your calculations suitable for permit submission?
I prepare professional HVAC calculations and drawings for permit-submission packages. Final acceptance depends on the local authority's requirements and any required professional stamps/signatures

