For home builders
HVAC design that keeps your build schedule.
Mechanical permits should not be the thing holding up a start. We turn plan sets into load calculations, equipment selections, duct layouts and energy reports your building department recognizes, plan after plan.
Plan libraries
Production builders reuse models across lots. We design each plan once and document orientation changes so the next start is fast.
Custom homes
One-off designs, big glass, bonus rooms and conditioned attics get the room-by-room treatment they need.
Energy code in the same package
Manual J and the energy report use the same assumptions, so the numbers agree when the reviewer compares them.
Your HVAC sub builds it as drawn
Duct layouts are drawn on your plans with sizes and CFM, so the install matches the design.
“We have been working with LoadCalcs for few years now. We build custom homes and LoadCalcs does all our HVAC plans & ResChecks. We've never had any issues with their plans. Our HVAC contractors love their plans as it has all the details…”
Services home builders order most
Same-day quotes
Drop the plans. Get a quote today.
Drop in the plan set and pick your services. A designer replies with price and turnaround, usually within 30 minutes during business hours.