Residential Manual J, D, and S load calculations — TACLA-stamped PDFs delivered in 3-5 days, with same-day rush available across Texas.
Different starting points get different paths. Pick what fits.
You're an HVAC contractor, GC, or builder. The AHJ is asking for Manual J or N. You want it back fast, clean, and ready to upload to the city portal.
Start contractor intake →Your HVAC was installed (or about to be) and the city kicked the permit back asking for load calculations. You've never heard of Manual J. We handle this every week.
Get unstuck →TACLA 116156C licensed — Manual J, D, and S, stamped and permit-ready, delivered in 3-5 days.
Simple, fast, no back-and-forth. We work around your schedule.
The DFW permit landscape rewards contractors who know the AHJs. We work in McKinney, Plano, Frisco, Allen, Dallas, and Fort Worth every week.
Submit your project. Get a quote within one business day. Same-day rush available before 10 AM CT.
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