Deterministic browser planner · No AI required

Build My 24-Hour HeatSafe Plan

Turn a few household conditions into an explainable sequence for early morning, daytime heat, evening transition and overnight recovery. The plan uses your assumptions and does not replace official local guidance.

Seven-Day Heat Log Ventilation Planner Home Heat Profile

CURRENT HOME

Starting conditions

Plan date *

Home or city label

Current indoor temperature *

°C

Indoor humidity

Does the home stay hot after sunset?

Higher-risk occupant present?

OUTDOOR ASSUMPTIONS

Expected day and night

Expected outdoor high *

°C

Expected overnight low *

°C

Outdoor air for ventilation

PM2.5, if known

µg/m³

Main daytime solar exposure

Can windows be opened safely at night?

AVAILABLE CONTROLS

What can this home use?

External shade

Cross-ventilation

Portable or ceiling fan

Mechanical cooling

Air purifier

Cooler priority room

ROUTINE

Daily timing

Wake time

Sleep time

Priority or constraint

Plan assumptions are stored only in this browser.