
HVAC engineering that holds up on every project
From load calcs to code-ready plans, across 3 building sectors.
A look at recent HVAC engineering work across multi-family, light commercial, and commercial projects, where accurate load calculations and detailed plan sets keep construction moving.














We don't design for every building. Just the ones that need real engineering.
JW Designs focuses on multi-family, light commercial, and commercial projects across Wisconsin. If your building needs accurate load calculations and code-compliant plans, that's our lane.
Working with JW Designs.
The load calcs came back clean and the plans moved through review without a single redline. That never happens.
Mark Thompson
Project Manager, Thompson Development Group
JW Designs delivered the submittals on schedule, and the engineer actually answered our questions during the review.
Angela Rodriguez
Principal, Rodriguez Commercial Builders
We handed over a tight multi-family timeline. The engineering kept pace, and the city approval went through on the first pass.
David Chen
Owner, Chen & Associates Construction

Have a similar project in mind?
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