BTU Calculator
Calculate heating and cooling loads instantly
Free tool for field decisions
Why this tool matters
Solve the calculation or lookup now, then use the demo to see how the answer can stay visible on the morning operating board.
Next best step
Use the result in the field, then see the interactive demo when you want the answer to stay visible after this visit.
Typical: 1,000 - 3,000 sq ft for residential
From tool to workflow
A field answer is useful. The demo shows how it stays visible on the morning operating board.
See the interactive demo when you want maintenance follow-up, callback risk, equipment history, and replacement opportunities to stay visible instead of disappearing after the job.