For Residential Engineers
Residential Load Calcs,
Done in Minutes
HVAKR Lite is built for solo HVAC engineers doing residential work. Take off floor plans, run ASHRAE-compliant load calculations, and export polished reports — all in one place.
Takeoffs
From Floor Plan to Load Calc in One Tool
Import your floor plans as a backdrop and take off spaces visually. HVAKR tracks every space, zone, and envelope element — no spreadsheets, no manual data re-entry.
- Import PDF or image floor plans
- Draw spaces and zones directly on the plan
- Automatic area calculations from takeoffs
- Link envelope elements to spaces
Deliverables
Professional Reports Ready for Submittal
Export polished PDF load reports directly from HVAKR. Compliant with Manual J methodology and ready for permit submittal, client delivery, or equipment selection.
- ASHRAE-compliant load calculation reports
- PDF and CSV export
- Global weather data for any location
- Automatic updates when inputs change
Everything in HVAKR Lite
Load Calculations
Full ASHRAE-compliant heating and cooling load calculations for any residential project.
Global Weather Data
Accurate design conditions for any location worldwide — no manual lookup needed.
Instant Load Reports
Generate professional PDF reports in one click, ready for permit or client delivery.
Automatic Updates
Change any input — window specs, insulation, location — and loads recalculate instantly.
Up to 5 Projects
Manage up to 5 active projects at once in your personal workspace.
7-Day Free Trial
Try everything risk-free. No credit card required to start.
Start Your Free Trial Today
$100/mo billed annually, or $120/mo. Cancel anytime.