Direct answer
Use this worksheet to record dimensions, assumptions, product labels and questions before comparing room AC units or asking a contractor.
template
Printable worksheet for recording room dimensions, sun exposure, insulation, product labels and AC sizing assumptions.
Use this worksheet to record dimensions, assumptions, product labels and questions before comparing room AC units or asking a contractor.
Sizing assumptions are centralized and show source URLs, check dates and notes.
Checked 2026-05-22. Used for room AC preliminary BTU rule, room-level sizing caveats and oversizing humidity cautions.
Checked 2026-05-22. Used for portable AC SACC / label caveats.
Checked 2026-05-22. Used for pints/day and product rating caveats.
Checked 2026-05-22. Used for residential bathroom fan CFM rules and fixture model.
Checked 2026-05-22. Used to define Manual J, Manual S and Manual D boundaries.
Checked 2026-05-22. Used for mold and water intrusion disclaimers.